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2012 Element 7R pool
293 / 300 questions need explanations
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When sending a DSC call:
  • Vessel's position will automatically be sent with DSC calls specifying an alternate frequency. (0% chose this)
  • Vessel's MMSI will indicate its ocean region and vessel position. (0% chose this)
  • Vessel's MMSI and position will automatically be sent for all types of DSC calls. (100% chose this)
  • Vessel's position will automatically be sent if the vessel is sending a "Distress Hot Key" alert. (0% chose this)
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What conditions must exist for a completely automatic DSC acknowledgement of a Routine call and change to suggested working channel?
  • Both stations must be monitoring Ch-16 or the sending station must be set up for automatic DSC response. (0% chose this)
  • The receiving station must be monitoring the suggested working frequency. (40% chose this)
  • All routine priority DSC calls must be manually acknowledged by the watch officer. (40% chose this)
  • The receiving station must be set up for automatic DSC response. (20% chose this)
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What actions will take place upon receipt of a Routine call from another vessel if both vessels are programmed for automatic response and the ECC is no good?
  • Some portion of the call particulars will appear on the screen and the channel will not change. (20% chose this)
  • The ECC alarm will sound and the watch officer should call back to determine the working frequency. (20% chose this)
  • The ECC alarm will sound and the channel will change but the watch officer should ensure it is legal. (40% chose this)
  • The channel will not change because the working frequency requested is illegal. (20% chose this)
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If the Watch Officer hears "PAN PAN" spoken 3 times it means:
  • None of these answers is correct. (20% chose this)
  • A navigation or important meteorological warning should follow. (60% chose this)
  • The station is preparing to transmit a Safety message possibly concerning the safety of a mobile unit or person. (20% chose this)
  • A mobile unit is in need of immediate assistance. (0% chose this)
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What channel is always being continuously monitored?
  • Ch-70 (11% chose this)
  • Ch-28 (11% chose this)
  • Ch-80 (0% chose this)
  • Ch-16 (78% chose this)
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Maritime Safety Information is promulgated via satellite through which system?
  • SafetyNETTM (17% chose this)
  • AMVER (0% chose this)
  • NAVTEX (67% chose this)
  • Inmarsat-M SES (17% chose this)
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Which statement is NOT true regarding the COSPAS-SARSAT system?
  • The position of the EPRIB is always transmitted in the outgoing transmission (unless the unit is a GPIRB). (20% chose this)
  • Signals received by low altitude, near-polar orbiting satellites are relayed to a ground receiving station (LUT). (40% chose this)
  • Doppler shift is used to locate the position of the EPIRB. (20% chose this)
  • EPIRBs are satellite beacons used as alerting & homing devices. (20% chose this)
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Which of the following statements is not true concerning the DSC call data directory?
  • All DSC units typically store all of the Transmitted and Received DSC calls in a single directory. (40% chose this)
  • Some DSC units have both a Transmit and Receive message directory or database. (20% chose this)
  • Some DSC units have different directories for received calls and sort them by priority. (20% chose this)
  • Calls in the directory should not be deleted - they are necessary for inspections & logkeeping. (20% chose this)
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Which of the following statements is true?
  • No NAVTEX receiver can be programmed to reject category A, B, D and L messages since they are mandatory to be received via NAVTEX. (50% chose this)
  • A GMDSS Radio Operator may choose to program certain NAVTEX receivers to reject category A, B, D and L messages if they are being received by another MSI system. (33% chose this)
  • Upon entering a new NAVTEX station's broadcast range, the GMDSS Radio Operator enters the station's SELCAL number. (0% chose this)
  • The GMDSS Radio Operator can select the "None" option in the message category menu. (17% chose this)
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Which of the following channels may be used for duplex communications?
  • Ch-70 (0% chose this)
  • Ch-26 (50% chose this)
  • Ch-5A (0% chose this)
  • Ch-22A (50% chose this)
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How are normal working conditions restored after radio silence has been imposed?
  • All of these answers are correct. (33% chose this)
  • The Land Earth Station (LES) that imposed the radio silence must transmit a voice message on the Distress frequency stating "SILENCE FINI". (0% chose this)
  • The Rescue Coordination Center (RCC) that imposed the radio silence must transmit a voice message on the Distress frequency stating "SEELONCE FEENEE". (67% chose this)
  • The Public Correspondence Station (PCS) that imposed the radio silence must transmit a voice message on the Distress frequency stating "SILENCE FINI". (0% chose this)
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Which channel would most likely be used for routine ship-to-ship voice traffic?
  • Ch-08 (40% chose this)
  • Ch-16 (40% chose this)
  • Ch-70 (20% chose this)
  • Ch-22A (0% chose this)
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What is defined as the area within the radiotelephone coverage area of at least one VHF coast station in which continuous DSC alerting is available as defined by the IMO regulation for GMDSS?
  • Ocean Area Regions AOR-E, AOR-W, POR or IOR (0% chose this)
  • Sea Area A2 (25% chose this)
  • Sea Area A1 (50% chose this)
  • Coastal and Inland Waters (25% chose this)
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If the vessel you wish to call is not listed in your VHF address book, what action would not resolve the problem?
  • Look in the DSC Distress call data directory for the MMSI number of the other vessel. (33% chose this)
  • The vessel's MMSI number could be manually entered during the call setup. (17% chose this)
  • The vessel's name and MMSI number may be entered in the address book for use. (50% chose this)
  • Look the number up in the ITU books and manually call the vessel. (0% chose this)
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Which of the following is normally part of 406 MHz satellite EPIRBs?
  • A strobe light, automatic float-free bracket, 1-watt 406-MHz alert beacon. (0% chose this)
  • A 5-watt 406-MHz alert beacon, Automatic Hydrostatic Release (ARM), strobe light. (67% chose this)
  • Automatic float-free bracket, 5-watt 121.5 MHz homing beacon, strobe light. (0% chose this)
  • Automatic Hydrostatic Release (ARM), 1-watt 121.5 MHz alerting beacon, strobe light. (33% chose this)
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A "Distress Hot Key" VHF DSC Distress alert:
  • Always goes out on the DSC frequency of Ch-70 to alert other stations. (29% chose this)
  • Must go out on Ch-16 and Ch-70 to indicate "MAYDAY" traffic will follow. (29% chose this)
  • Must go out on Ch-16 to alert the nearest vessels and coast stations of imminent "MAYDAY" traffic. (43% chose this)
  • May go out on Ch-70 or Ch-16 depending on the manufacturer. (0% chose this)
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What are the best resources for researching and planning equipment setups and updates prior to any potential Distress situation?
  • NGA Pub. 117, Inmarsat handbook or manufacturer's equipment manuals. (25% chose this)
  • Inmarsat handbook, FCC Part 80 or ITU List of Coast stations. (25% chose this)
  • ITU List of Coast stations, IMO GMDSS handbook, FCC Part 80. (0% chose this)
  • Inmarsat handbook, NGA Pub. 117 or ITU List of Coast stations. (50% chose this)
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The SART is required to have sufficient battery capacity to operate in the stand-by mode for what period of time?
  • Three days (33% chose this)
  • Four days (33% chose this)
  • Eight hours (17% chose this)
  • Forty-eight hours (17% chose this)
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How many digits are in the MID (Maritime Identification Digits)?
  • 3 (40% chose this)
  • 7 (0% chose this)
  • 9 (60% chose this)
  • 10 (0% chose this)
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Which of the following are personnel, functional, or equipment FCC requirements of the GMDSS?
  • One FCC licensed GMDSS radio operator in sea areas A1 & A2, two FCC licensed GMDSS radio operators in sea areas A3 & A4 and equipment carriage based on intended sea area of operations. (50% chose this)
  • Equipment carriage based on intended sea area of operations, distress alerting and response and two FCC licensed GMDSS radio operators. (50% chose this)
  • Distress alerting and response, two USCG STCW GMDSS watchstanders, equipment carriage based on intended sea area of operations. (0% chose this)
  • Equipment carriage reduced for sea areas A3 & A4, Distress alerting and response and two FCC licensed GMDSS radio operators. (0% chose this)
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Which of the following documents or publications are required by Part 80 of the FCC rules for vessels on international voyages (other than the Great Lakes)?
  • ITU List IV & List V, Appropriate Safety Convention Certificate & ITU manual for Maritime Mobile stations. (50% chose this)
  • Appropriate Safety Convention Certificate, ITU Master Plan of GMDSS Coast stations, and ITU manual for Maritime Mobile stations. (25% chose this)
  • ITU Master Plan of GMDSS Coast stations, ITU manual for Maritime Mobile stations, ITU List IV & List V. (25% chose this)
  • ITU List IV & List V, Appropriate Safety Convention Certificate & IMO manual for Maritime Mobile stations. (0% chose this)
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Why should functional testing of a SART be minimized?
  • Potential interference with safe navigation, notifying other vessels of an actual Distress and minimize power consumption. (20% chose this)
  • Minimize power consumption of the battery and only test at sea to reduce potential interference or confusion. (0% chose this)
  • Possibility of misinterpretation by other vessels as a Distress situation and only test in port to prevent potential interference with safe navigation or at-sea vessels. (40% chose this)
  • Potential interference with safe navigation, possible misinterpretation of an actual Distress, minimizes draining the battery. (40% chose this)
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Which of the following situations would normally use the Voice designation "Securite"?
  • Messages concerning the Safety of Life At Sea (SOLAS). (14% chose this)
  • Messages detailing important navigational warnings. (29% chose this)
  • Messages containing information concerning the Safety of a mobile unit or person. (43% chose this)
  • Messages concerning On-scene communications. (14% chose this)
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The Urgency Priority should be used for:
  • Messages concerning the Safety of Life At Sea (SOLAS). (33% chose this)
  • Messages detailing important navigational warnings. (0% chose this)
  • Messages concerning On-scene communications. (0% chose this)
  • Messages containing information concerning the Safety of a mobile unit or person. (67% chose this)
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Which statement is false regarding a GMDSS-equipped ship?
  • A conditional or partial exemption may be granted, in exceptional circumstances, for a single voyage outside the sea area for which the vessel is equipped. (43% chose this)
  • The regulations apply to all passenger ships regardless of size and cargo ships of 300 gross tons and upwards. (29% chose this)
  • Ships must carry at least two persons holding a GMDSS Radio Operator's license for Distress and Safety radio-communications purposes. (0% chose this)
  • Ships must have the required equipment inspected at least once every five years. (29% chose this)
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You are in voice communication on Ch-16 with a vessel in Distress that advises you they are unable to contact a Coast Station. What action would you take?
  • Send a DSC Distress Relay transmission on Ch-16. (29% chose this)
  • Attempt to contact a Coast Station using voice on Ch-16 with a Mayday Relay. (29% chose this)
  • Make an all ships call with Urgency priority. (0% chose this)
  • Call the Coast Station on Ch-70 with Distress priority giving the other vessel's position. (43% chose this)
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What would happen if your VHF is set to "INT" and you called a VTS that operates on an "alpha" channel?
  • The coast station should hear your call and respond and you will be able to receive VTS instructions. (20% chose this)
  • The coast station will not hear your call but you will hear their responses to other vessels in the VTS area. (40% chose this)
  • You will be able to hear the coast station calling you but will not be able to hear other vessels in the VTS area. (0% chose this)
  • The coast station should hear your call and respond but you will not hear their response. (40% chose this)
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What is the equipment carriage requirement for survival craft under GMDSS?
  • At least three SCT units and two SARTs on every cargo ship between 300-500 gross tons and the same on all passenger ships regardless of tonnage. (0% chose this)
  • At least three SCT units and two SARTs on every passenger ship and cargo ships of 500 gross tons and upwards. (25% chose this)
  • At least two radar transponders must be carried on every cargo ship of 300-500 gross tons and two radar transponders (one for each side) of every passenger ship regardless of tonnage. (25% chose this)
  • All cargo vessels above 300 gross tons and every passenger ship regardless of tonnage must carry three SCT units and two SARTs. (50% chose this)
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If a vessel is engaged in local trade and at no point in its voyage travels outside the range of a VHF shore station with continuous DSC alerting then the vessel is operating in what area?
  • Sea area A1 (43% chose this)
  • Coastal and international zones (14% chose this)
  • Inland and coastal waters (43% chose this)
  • Sea areas A1 and A2 (0% chose this)
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When making a routine DSC call to another vessel what information should be included?
  • Time of transmission. (0% chose this)
  • Proposed working channel. (50% chose this)
  • Your own vessel's position. (17% chose this)
  • Subject matter of the call. (33% chose this)
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What is the purpose of the dedicated EGC receiver for A-1 area GMDSS Vessels?
  • To ensure receipt of MSI in areas without NAVTEX coverage. (38% chose this)
  • To allow monitoring of the vessels location for AMVER tracking. (0% chose this)
  • Simultaneous receipt and transmission of vessel SafetyNETTM messages. (50% chose this)
  • To track which NAVAREA the vessel is currently in for receipt of MSI. (13% chose this)
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Which statement is true regarding a vessel equipped with GMDSS equipment that will remain in Sea Area A1 at all times?
  • The vessel must be provided with a radio installation capable of initiating the transmission of ship-to-shore Distress alerting from the position from which the ship is normally navigated. (60% chose this)
  • VHF DSC alerting may be the sole means of Distress alerting. (0% chose this)
  • HF or MF DSC may satisfy the equipment requirement. (20% chose this)
  • HF SSB with 2182 kHz automatic alarm generator may satisfy the equipment requirement. (20% chose this)
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What action should be taken on receipt of a VHF Distress alert?
  • Read the display screen and/or printout and call the Master to verify if the Distress is genuine. (0% chose this)
  • Silence the alarm, examine the display screen and acknowledge the DSC alert via DSC. (25% chose this)
  • Silence the alarm and listen for any follow on voice transmission on Ch-70. (0% chose this)
  • Silence the alarm and set up watch on Ch-16 to determine if the Distress is genuine. (75% chose this)
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The DSC received call directory usually sorts and stores incoming calls in what manner?
  • Received calls are typically divided into two directories distinguished by priority. (100% chose this)
  • All received calls are saved in a single category. (0% chose this)
  • Received calls are always divided into Distress and Urgency categories. (0% chose this)
  • Only received Distress calls are saved. (0% chose this)
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Which statement is false regarding the radio operator requirements for a GMDSS-equipped ship station?
  • One of the qualified GMDSS radio operators must be designated to have primary responsibility for radio-communications during Distress incidents. (17% chose this)
  • Maintaining a record of all incidents connected with the radio-communications service that appear to be of importance to Safety of life at sea is not required. (50% chose this)
  • A qualified GMDSS radio operator, and a qualified backup, must be designated to perform Distress, Urgency and Safety communications. (0% chose this)
  • While at sea, all adjustments or radio installations, servicing or maintenance of such installations that may affect the proper operation of the GMDSS station must be performed by, or under the supervision of, a qualified GMDSS radio maintainer. (33% chose this)
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What precautions should be taken when viewing an incoming DSC Distress alert message?
  • Be careful not to activate a DSC acknowledgement or relay. (33% chose this)
  • If the message is not clear make a DSC call to all ships requesting clarification. (33% chose this)
  • No precautions are necessary -- the unit will auto-acknowledge an incoming DSC Distress alert. (33% chose this)
  • If there are errors in the call the unit didn't auto-acknowledge via DSC and the watch officer must do so instead. (0% chose this)
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How can vessel personnel detect the operation of a SART in its vicinity?
  • A unique two-tone "warbling" signal heard on VHF-FM Ch-70. (25% chose this)
  • It will activate an AIS new signal alarm on the AIS receiver. (0% chose this)
  • The SART signal appears as a target that comes and goes -- due to the effect of heavy swells on a SART. (0% chose this)
  • A unique 3-cm signal consisting of a 12-dot pattern radiating outward from a SART's position along its line of bearing. (75% chose this)
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A VHF-DSC Distress alert will always be transmitted on what channel?
  • Ch-16 (40% chose this)
  • Ch-22A (0% chose this)
  • Ch-6 (0% chose this)
  • Ch-70 (60% chose this)
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A "Distress Hot Key" alert will always include what information?
  • Distress priority, vessel's position if available and the vessel's MMSI number. (60% chose this)
  • The vessel's current position, course and speed from the GPS. (0% chose this)
  • The vessel's MMSI number and category of Distress. (40% chose this)
  • Distress priority, frequency for voice Distress communications and vessel position. (0% chose this)
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How often must a compulsory vessel's GMDSS radio station be inspected?
  • Annually, by the U.S. Coast Guard. (0% chose this)
  • Annually, by the FCC or designated authority. (75% chose this)
  • Annually, by the FCC, and every six months if the vessel sails outside of Sea Areas A1 and A2. (0% chose this)
  • The FCC's annual inspection may be waived if and only if monthly inspections are performed by the vessel's on-board GMDSS Radio Maintainer. (25% chose this)
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Which messages are mandatory to be received and should not typically be rejected or disabled by the operator of a NAVTEX receiver?
  • Meteorological warnings, SAR information, Pilot Service Messages. (0% chose this)
  • Meteorological warnings, meteorological forecasts, navigational warnings. (25% chose this)
  • SAR information, navigational warnings, ice reports. (0% chose this)
  • Navigational warnings, meteorological warnings, SAR information. (75% chose this)
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What is the fundamental purpose for imposing radio silence?
  • To ensure that interference to proprietary communications is minimized. (0% chose this)
  • To ensure that only voice communications can be effected on the Distress frequency or channel. (20% chose this)
  • To mitigate the risk of interference on a frequency or channel being used for emergency communications. (60% chose this)
  • To ensure that a Distressed vessel will have a "window" twice each hour for transmitting routine messages. (20% chose this)
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Which of the following statements concerning EPIRBs is false?
  • The COSPAS-SARSAT system may take a full hour or more to provide an alert. (20% chose this)
  • The Inmarsat system provides worldwide coverage for Distress alerts. (60% chose this)
  • The GOES weather satellites are in a geostationary orbit. (0% chose this)
  • 406 MHz EPIRB units may be equipped with GPS receivers. (20% chose this)
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SafetyNETTM messages can be received by which of the following shipboard equipment?
  • NAVTEX (20% chose this)
  • MF and HF SITOR (NBDP) (20% chose this)
  • Inmarsat F77 EGC receiver (0% chose this)
  • Inmarsat-C EGC receiver (60% chose this)
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What action(s) should be taken when abandoning ship?
  • Send a VHF-DSC Distress alert on Ch-16 before going to the boats. (13% chose this)
  • Activate the EPIRB and leave it secured to the mounting bracket. (13% chose this)
  • Take EPIRB, SART and SCT units to the survival craft and use as circumstances dictate. (38% chose this)
  • Once in the survival craft - activate the EPIRB and send a VHF-DSC Distress alert on Ch-16 (38% chose this)
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In using SafetyNETTM for the receipt of MSI (Maritime Safety Information):
  • Only unscheduled Urgency and Distress messages will be received if the Inmarsat-C SES is not logged in. (22% chose this)
  • All of these answers are correct. (33% chose this)
  • Both scheduled MSI and unscheduled Urgency and Distress messages will be received if the Inmarsat-C SES is logged in. (22% chose this)
  • The Inmarsat-C SES must have Enhanced Group Calling (EGC) capability to receive MSI. (22% chose this)
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What is the proper procedure to be followed upon receipt of a Distress alert transmitted by use of Digital Selective Calling techniques?
  • Set watch on the DSC alerting frequency in the band of frequencies the alert was received. (33% chose this)
  • Set a continuous watch on VHF-FM Channel 13, 16 and DSC on Channel 70. (17% chose this)
  • Ship stations equipped with narrow-band direct-printing equipment should respond to the Distress alert as soon as practicable by this means. (0% chose this)
  • Set watch on the radiotelephone Distress and Safety frequency associated with the Distress and Safety calling frequency on which the Distress alert was received. (50% chose this)
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Which of the following statements concerning MMSI is false?
  • All Coast Station MMSI must begin with 2 zeros. (0% chose this)
  • All Coast Station MMSI must begin with the MID then 2 zeros. (50% chose this)
  • A group call must begin with a single zero followed by the MID. (17% chose this)
  • The first 3 digits of a ship MMSI comprise the MID. (33% chose this)
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Which statement is NOT true regarding the requirements of VHF Survival Craft Transceivers?
  • Operation on Ch-13 is mandatory. (50% chose this)
  • Effective radiated power should be a minimum of 0.25 Watts. (17% chose this)
  • Simplex (single frequency) voice communications only. (33% chose this)
  • Operation on Ch-16 is mandatory. (0% chose this)
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Over what system are Enhanced Group Calls transmitted?
  • COSPAS satellite (40% chose this)
  • HF SITOR (NBDP) shore stations (0% chose this)
  • NAVTEX shore stations (0% chose this)
  • Inmarsat satellite (60% chose this)
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What signal is detected as originating from an AIS SART and how is the signal displayed?
  • An AIS SART signal is shown on any AIS receiver as a special MMSI-like coded symbol. (50% chose this)
  • The 3-cm radar reflections are converted to AIS signals and displayed on ECDIS/ARPA screens. (0% chose this)
  • An AIS SART transmits on AIS frequencies and the signals are converted to 3-cm radar targets for display on 3-cm radars. (33% chose this)
  • An AIS SART transmits on 9 GHz so that a 3-cm radar can display the signals. (17% chose this)
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What system can provide an automated service in coastal waters where it may not be feasible to establish the NAVTEX service or where shipping density is too low to warrant its implementation?
  • AMVER (17% chose this)
  • VHF DSC (17% chose this)
  • ARQ SITOR (NBDP) (17% chose this)
  • SafetyNETTM (50% chose this)
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What equipment can be used to receive Maritime Safety Information?
  • NAVTEX, EGC receiver or HF SITOR (NBDP). (38% chose this)
  • EGC receiver, Inmarsat B or F77 terminal. (25% chose this)
  • HF SITOR (NBDP), Inmarsat B or NAVTEX. (13% chose this)
  • All of these answers are correct. (25% chose this)
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What information should be contained in a detailed Distress message that was not transmitted by an initial Distress "hot-key" alert?
  • Vessel position, course & speed and the nature of Distress. (40% chose this)
  • The distress vessel's IMN and position at the time of alert. (0% chose this)
  • Vessel name & call sign, POB and all potential means to communicate with the vessel. (60% chose this)
  • Vessel name & call sign, distress vessel's IMN & vessel position. (0% chose this)
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Which of the following situations would normally use the Safety priority?
  • A serious medical situation involving a crewmember. (0% chose this)
  • A scenario concerning an important navigational or meteorological warning. (50% chose this)
  • A crewmember falling over the side. (33% chose this)
  • Important company communications involving weather routing. (17% chose this)
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Which statement is NOT true regarding the SART?
  • Responds to interrogations by a vessel's X-Band radar and transmits a signal. (0% chose this)
  • This is a 6 GHz transponder capable of being received by a vessel's X-band navigational radar system. (100% chose this)
  • This is a 9 GHz transponder capable of being received by a vessel's X-band navigational radar system. (0% chose this)
  • Transmits a distinctive 12-blip signal for easy recognition. (0% chose this)
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Which of these cannot happen when a paper model NAVTEX receiver runs out of paper?
  • The unit is unable to print messages and all subsequent MSI broadcasts may be missed until the paper is replaced. (0% chose this)
  • It may give off either an audible and/or visual alarm. (50% chose this)
  • MSI messages may be missed because the unit cannot print them out. (0% chose this)
  • The system will automatically change from receiving MSI by NAVTEX to receiving it by SafetyNETTM so that no messages will be lost. (50% chose this)
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Under GMDSS, a compulsory VHF-DSC radiotelephone installation must be tested at what minimum intervals at sea?
  • Annually, by a representative of the FCC. (0% chose this)
  • Daily (75% chose this)
  • At the annual SOLAS inspection. (0% chose this)
  • Monthly (25% chose this)
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Which channel is utilized for the required Bridge-to-Bridge watch?
  • DSC on Ch-70 (0% chose this)
  • VHF-FM on Ch-13 in most areas of the continental United States. (75% chose this)
  • VHF-FM on Ch-16 (25% chose this)
  • The vessel's VHF working frequency. (0% chose this)
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Repetition of a DSC Distress call is normally automatic if not acknowledged after a delay of:
  • 2 - 5 minutes (20% chose this)
  • 10-15 minutes (20% chose this)
  • 3.5 - 4.5 minutes (60% chose this)
  • 1 - 2 minutes (0% chose this)
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What messages originate from registered information providers anywhere in the world and are broadcast to the appropriate ocean region via a LES?
  • AMVER broadcasts (0% chose this)
  • Urgency messages (0% chose this)
  • NAVTEX broadcasts (25% chose this)
  • SafetyNETTM messages (75% chose this)
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What would be the appropriate channel selection for follow-on voice communications for a Routine priority call to another vessel?
  • Ch-70 (0% chose this)
  • Ch-16 (38% chose this)
  • Ch-22 (25% chose this)
  • Ch-08 (38% chose this)
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Which statement is false regarding the maintenance of GMDSS equipment at sea?
  • Ships must carry at least one person who qualifies as a GMDSS maintainer for the maintenance and repair of equipment if the at-sea maintenance option is selected. (17% chose this)
  • The GMDSS maintainer may not be the person designated to have primary responsibility for radio-communications during Distress incidents even if licensed as an operator. (50% chose this)
  • All at-sea maintenance and repairs must be performed by, or under the supervision of a person holding a GMDSS Maintainer license. (17% chose this)
  • The GMDSS maintainer may be the person responsible for ensuring that the watches are properly maintained and that the proper guard channels and the vessel's position are entered into the DSC equipment. (17% chose this)
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What information is transmitted by a 406 MHz EPIRB alert?
  • Vessel position and nature of Distress. (0% chose this)
  • A unique Hexadecimal I.D. number. (60% chose this)
  • Vessel name and identification. (20% chose this)
  • Vessel MMSI number and position. (20% chose this)
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If the Inmarsat-C terminal is inoperative but the vessel remains within NAVTEX coverage -- which of the following message categories should not be disabled by the GMDSS Radio Operator?
  • Navigational warnings, meteorological warnings and metrological forecasts. (25% chose this)
  • Search and Rescue information, navigational warnings and other electronic navaid messages. (13% chose this)
  • Search and Rescue information, Meteorological warnings and ice reports. (25% chose this)
  • Meteorological warnings, Search and Rescue information and Navigational warnings. (38% chose this)
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Which of the following statements on DSC acknowledgement and relay of DSC Distress alerts is true?
  • Operators cannot initiate acknowledgements or relays. (0% chose this)
  • Most equipment was designed to allow for DSC acknowledgements and ALL SHIPS DSC relays but this should only be done per current regulations. (50% chose this)
  • The equipment was designed to allow for DSC acknowledgements and relays and the operator should follow the software menu structure accordingly. (50% chose this)
  • DSC acknowledgements and relays are automatically transmitted by the unit to ensure the RCC receives the Distress. (0% chose this)
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Which of these would be vital to a GMDSS SAR situation in polar regions?
  • GOES satellites to receive Distress Alerts and HF Voice for follow-on and SAR activity. (29% chose this)
  • GOES satellites to receive Distress Alerts and Inmarsat Voice for follow-on and SAR activity. (29% chose this)
  • Inmarsat satellites to receive Distress Alerts and HF Voice for follow-on and SAR activity. (0% chose this)
  • COSPAS/SARSAT satellites to receive Distress Alerts and VHF-HF Voice for follow-on and SAR activity. (43% chose this)
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Which of the following are required GMDSS functions for vessels?
  • Transmit and receive locating signals, general communications and SAR communications. (43% chose this)
  • Transmit and receive general communications, transmit Distress Alerts by at least one means, MSI. (14% chose this)
  • Transmit and receive locating signals, send MSI to other ships via EGC, Bridge-to-Bridge communications. (14% chose this)
  • Transmit and receive SAR communications, transmit Distress Alerts by at least one means, Bridge-to-Bridge communications. (29% chose this)
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Which of the following statements concerning GMDSS Radio Operator requirements is false?
  • Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea. (0% chose this)
  • Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well. (0% chose this)
  • While at sea, adjustments to, and the maintaining of, GMDSS equipment may be performed by the GMDSS Radio Operator as long as the work is supervised by an on-board licensed GMDSS Radio Maintainer. (0% chose this)
  • All communications involving Safety of life at sea must be logged as long as the compulsory vessel was not involved in such communications. (100% chose this)
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Which satellite system promulgates Maritime Safety Information?
  • AMVER (14% chose this)
  • NAVTEX (14% chose this)
  • Inmarsat-C SafetyNETTM (43% chose this)
  • Inmarsat-M SES (29% chose this)
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When do NAVTEX broadcasts typically achieve maximum transmitting range?
  • Local noontime (29% chose this)
  • Middle of the night (43% chose this)
  • Afternoon (0% chose this)
  • Sunset (29% chose this)
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Which of the following situations would normally use the Safety priority?
  • Treatment of a crewmember with a broken leg that is not life-threatening. (0% chose this)
  • Treatment of a crewmember with a serious cardiac emergency. (40% chose this)
  • Loss of 5 containers with lashing gear over the side. (60% chose this)
  • A fire in the generator flat/spaces. (0% chose this)
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What should a GMDSS Radio Operator do if a NAVTEX warning message is received but it contains too many errors to be usable?
  • Contact the NAVAREA coordinator and request a repeat broadcast. (0% chose this)
  • Initiate a request for Category A, B, L and D messages. (25% chose this)
  • Do nothing. Vital NAVTEX messages will be repeated on the next scheduled broadcast. (75% chose this)
  • Listen to appropriate VHF weather channel for repeat warnings. (0% chose this)
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A MMSI 030346239 indicates what?
  • Group MMSI (50% chose this)
  • Inmarsat-C I.D. number (0% chose this)
  • Coast station (33% chose this)
  • Ship station (17% chose this)
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A valid MMSI number for a DSC call to a specific group of vessels is:
  • 003664523 (17% chose this)
  • 338462941 (17% chose this)
  • 003036483 (17% chose this)
  • 030327931 (50% chose this)
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How does the searching vessel's radar interrogate a survival craft SART?
  • Activate the IFF interrogation system. (0% chose this)
  • The SART responds automatically and transmits the 12-blip signal when it detects the search craft or other vessels' X-Band radar signal. (80% chose this)
  • Maintains watch on VHF-FM Ch-70 for the SART's unique identifier. (0% chose this)
  • The SART responds automatically when it detects the search craft or other vessel's 10-cm radar signal. (20% chose this)
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What is not an advantage of an AIS SART signal when compared to a radar-based SART signal?
  • The AIS SART can be detected much farther away than radar SART models. (40% chose this)
  • Not every AIS transmission needs to be received to achieve an accurate presentation of the location. (20% chose this)
  • The AIS SART position has GPS accuracy and transmits on AIS VHF frequencies. (20% chose this)
  • AIS SART units may be easier to find in poor radar target conditions. (20% chose this)
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What feature is not a component of a 406 MHz satellite EPIRB?
  • 121.5 MHz emergency homing transmitter. (33% chose this)
  • Emergency transmission on 406.025 MHz. (0% chose this)
  • Float-free release bracket. (0% chose this)
  • Aural locator signal. (67% chose this)
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Which of the following MMSI numbers indicates a U.S. flag ship station?
  • 430326890 (13% chose this)
  • 033609991 (13% chose this)
  • 303236824 (50% chose this)
  • 257326819 (25% chose this)
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Which statement is NOT true regarding an Inmarsat Distress Alert?
  • USCG coast stations will receive the alert and immediately notify the correct RCC. (80% chose this)
  • The operator selection of LES will determine which associated RCC will receive the alert. (0% chose this)
  • If the operator selects an invalid or inoperative LES code the NCS for that service will intercept the call and reroute the alert. (0% chose this)
  • If the LES choice is not updated properly the Distress Alert might be routed to a non-optimum RCC, introducing delays and confusion into the Distress situation. (20% chose this)
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What may be used as a homing signal by the search and rescue vessels in the immediate vicinity of the ship in Distress?
  • Flare gun (0% chose this)
  • Strobe Light (0% chose this)
  • 406 MHz signal from a satellite EPIRB. (20% chose this)
  • A 121.5 MHz emergency transmitter in a satellite EPIRB. (80% chose this)
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How many GMDSS radio maintainers must be carried aboard a compulsory vessel if the At-Sea maintenance method is used?
  • Two in Sea Areas A3 and A4. (25% chose this)
  • Two in Sea Area A1. (0% chose this)
  • One regardless of sea area of operation. (50% chose this)
  • None of these answers are correct. (25% chose this)
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How are NAVTEX broadcasts transmitted?
  • Using FEC techniques. (100% chose this)
  • NAVTEX is transmitted by commercial coast radio stations following their traffic lists. (0% chose this)
  • NAVTEX is transmitted only when an Urgency or Distress broadcast is warranted. (0% chose this)
  • No more often than every two hours and should immediately follow the radiotelephone silent periods. (0% chose this)
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Which term describes the source of energy required to supply the GMDSS console with power if the ship's source of main or emergency energy fails?
  • Emergency power (20% chose this)
  • Ship's emergency diesel generator (0% chose this)
  • Ship's standby generator (0% chose this)
  • Reserve Source of Energy (80% chose this)
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For a vessel to be in GMDSS Sea Area A-1:
  • The vessel must be within VHF range of a Public Correspondence Station. (17% chose this)
  • The vessel must be within range of a coast station equipped with continuous VHF-DSC capability. (67% chose this)
  • The vessel must be within VHF range of a U. S. C. G. communication station. (0% chose this)
  • The vessel must be within VHF range of either a U. S. C. G. or a Public Correspondence Station. (17% chose this)
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With what other stations may portable survival craft transceivers not communicate?
  • Communication between the ship and survival craft transceivers ashore. (57% chose this)
  • Communication between the ship and its survival craft. (29% chose this)
  • Communication between rescue units and survival craft. (0% chose this)
  • Communication between multiple survival craft and with aircraft. (14% chose this)
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Which of the following statements concerning GMDSS maintenance requirements is true?
  • The options are duplication of equipment, at-sea maintenance, and shore-based maintenance. (44% chose this)
  • Compulsory vessels between 300-500 gross tons are required only to provide one maintenance option, while compulsory vessels larger than 500 gross tons and all passenger vessels are required to provide any two of the three maintenance options. (56% chose this)
  • The "at-sea" maintenance may be waived if the compulsory vessel carries at least three licensed GMDSS Radio Operators. (0% chose this)
  • Compulsory vessels operating in Sea Area A4 are required to carry at least one licensed GMDSS Radio Maintainer. (0% chose this)
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Which of the following statements meets requirements for 47 CFR 80 Subpart-W?
  • GMDSS Radio Logs may not be retained aboard compulsory vessels in an electronic file (e.g., word processing) format. (0% chose this)
  • GMDSS Radio Logs must be retained aboard compulsory vessels for a period of at least 90 days in their original form. (33% chose this)
  • Entries in the GMDSS Radio Log are only required for communications within the vessel's intended Sea Area of operation. (0% chose this)
  • GMDSS Radio Logs must contain entries of all Distress and Urgency communications affecting your own ship. (67% chose this)
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Which statement is true regarding vessel position when sending a "Distress Hot Key" alert?
  • The operator must choose to include the position. (0% chose this)
  • The vessel's position will always be correct if taken from the connected GPS. (33% chose this)
  • A connected GPS is always required to ensure the Distress position is accurate. (0% chose this)
  • The position will either be taken from the connected GPS or the updated manual position. (67% chose this)
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DSC relays of Distress alerts by vessels:
  • Should be done for all Distress alerts received aboard the ship. (14% chose this)
  • Should be avoided; unless an acknowledgement has not been heard. (57% chose this)
  • Should be transmitted to all ships involved in Distress traffic. (14% chose this)
  • Are the best means to provide for a retransmission of Distress communications. (14% chose this)
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How long must the radio log be retained on board before sending it to the shoreside licensee?
  • At least 30 days after the last entry. (50% chose this)
  • At least one year after the last entry. (0% chose this)
  • At least two years after the last entry. (25% chose this)
  • At least 90 days after the last entry. (25% chose this)
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To receive all mandatory MSI using the SafetyNETTM system the vessel must:
  • Log-in and ensure the position is accurate to receive MSI for the NAVAREA the vessel is currently within. (80% chose this)
  • Notify the NAVAREA coordinator you are using SafetyNETTM for the receipt of MSI (Maritime Safety Information). (0% chose this)
  • Set the receiver to your destination Inmarsat Ocean Region. (0% chose this)
  • Notify the NAVAREA coordinator you are using SafetyNETTM for the receipt of MSI (Maritime Safety Information) and set the receiver to your destination Ocean Region. (20% chose this)
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What information is promulgated by the international SafetyNETTM?
  • Traffic Lists (0% chose this)
  • Priority Messages (20% chose this)
  • MARAD (0% chose this)
  • MSI (80% chose this)
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What system may be useful for messages, such as local storm warnings or a shore-to-ship Distress alert, for which it is inappropriate to alert all ships in the satellite coverage area?
  • NAVTEX (29% chose this)
  • AMVER (14% chose this)
  • EGC (57% chose this)
  • DSC (0% chose this)
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Which of the following provides a unique automated system capable of addressing messages to pre-determined groups of ships or all vessels in both fixed and variable geographic areas?
  • NAVTEX (33% chose this)
  • EGC (67% chose this)
  • AFRTS (0% chose this)
  • NAVAREAs (0% chose this)
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While conducting routine communications using the wheelhouse VHF with a station 1 mile distant, your recommended power setting would be:
  • 25 watts after dark. (0% chose this)
  • 25 watts during a clear sunny day. (0% chose this)
  • 1 watt, day or night. (100% chose this)
  • 1 watt using DSC at night. (0% chose this)
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What channel would you use for routine communications with the U.S.C.G.?
  • Ch-16 (17% chose this)
  • Ch-80 (0% chose this)
  • Ch-22A (67% chose this)
  • Ch-13 (17% chose this)
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What statement is true regarding the control the operator can exercise over the NAVTEX receiver's operation?
  • The operator can set the unit to automatically reject any and all categories of messages if the ship desires to not receive them. (20% chose this)
  • Upon entering a coastal area for the first time, the operator enters code KK to indicate "ready to receive NAVTEX". (0% chose this)
  • The operator can set most units to reject all messages except navigation, meteorological warnings, and search and rescue messages. If the unit will reject such messages it may be unsafe to do so. (80% chose this)
  • To reduce the number of messages, the operator can select code 00 to indicate "not in coastal passage". (0% chose this)
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Which of the following steps should be taken, if possible, when the vessel must be abandoned because of a Distress situation?
  • Alert the U.S. Coast Guard by using the survival craft's portable Inmarsat unit. (14% chose this)
  • Program the SART and EPIRB to transmit the vessel's location and situation. (0% chose this)
  • No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly. (29% chose this)
  • Secure the EPIRB to the survival craft and mount the SART in a position to maximize its elevation. (57% chose this)
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At sea, all required equipment (other than Survival Craft Equipment) must be proven operational by:
  • Daily testing or daily successful use of the equipment. (80% chose this)
  • Testing at least every 48 hours. (0% chose this)
  • Weekly testing of all S.C.E. and other compulsory equipment. (0% chose this)
  • Daily testing of the S.C.E. and weekly tests of the other equipment. (20% chose this)
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A DSC Distress Relay should always be made under the following circumstances:
  • When a DSC response to a Distress alert from a Coast/Ship Station hasn't been received and the Master approves. (100% chose this)
  • When the MMSI of the vessel in Distress cannot be determined. (0% chose this)
  • After there is an acknowledgement from a coast station. (0% chose this)
  • DSC Distress Relays do not need to be made if your vessel is too far away to assist. (0% chose this)
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What action should a GMDSS Radio Operator take when SafetyNETTM Distress or Urgency messages are received by the vessel's EGC receiver?
  • No immediate action is required, as an audible tone will be generated at the beginning and end of the transmission and a paper printout of the message will be generated. (10% chose this)
  • No immediate action is required by the operator, since the transmission will be automatically acknowledged by the receiving vessel. (20% chose this)
  • Aural and/or visual alarms are activated and require manual deactivation. (40% chose this)
  • A periodic alarm tone will be heard until the radio operator prints the message from the unit's memory. (30% chose this)
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Which of the following situations would not properly use the Urgency priority?
  • Treatment of a crewmember breaking a leg in a cargo hold. (14% chose this)
  • Leaking oil from a minor tank fracture requiring a mandatory pollution report. (0% chose this)
  • An unexpected deviation in the forecast track line of a typhoon. (29% chose this)
  • Abandoning the vessel just before sinking. (57% chose this)
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A ship operating exclusively in sea area A-1 must have the following provisions for maintenance:
  • Carry an on-board maintainer plus duplication of equipment. (17% chose this)
  • Shore maintenance may not be selected. (0% chose this)
  • Only one option for maintenance is required. (67% chose this)
  • Must always select duplication of equipment to maximize safety. (17% chose this)
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Setting the squelch control to just beyond the point where the background noise disappears results in:
  • Maximum sensitivity without background noise. (67% chose this)
  • Reduced sensitivity without background noise. (33% chose this)
  • Minimum background noise with reduced sensitivity. (0% chose this)
  • Greater bandwidth without background noise. (0% chose this)
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The vessel's GMDSS operator fails to properly record the particulars of an incoming DSC Distress alert. Which statement is true?
  • The details of the DSC alert are obtainable from the DSC address book. (0% chose this)
  • The details of the DSC Distress alert are irrevocably lost. (0% chose this)
  • The details of the DSC alert should be obtainable by accessing the DSC call data directory. (100% chose this)
  • The details of the DSC Distress alert are never stored for later review. (0% chose this)
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What are the conditions, under GMDSS, whereby a ship is NOT allowed to depart from any port?
  • The vessel is carrying more than the required number of qualified GMDSS radio operators. (17% chose this)
  • The vessel has a temporary waiver of its radio license and Safety Certificate. (0% chose this)
  • The vessel is not capable of performing all required Distress and Safety functions. (67% chose this)
  • The vessel is not carrying a GMDSS radio maintainer, but has provided for shoreside maintenance plus duplication of equipment if required. (17% chose this)
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Which of the following numbers indicates a U.S. flag ship station?
  • 036627934 (0% chose this)
  • 243537672 (33% chose this)
  • 338426791 (67% chose this)
  • 003382315 (0% chose this)
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Within a single sea area, what is the primary reason GMDSS imposes carriage requirements for different radio subsystems?
  • Redundancy in duplicating all operational functions in the event of a system failure. (0% chose this)
  • Different subsystems are required to meet the specific equipment carriage requirements of national authorities. (25% chose this)
  • GMDSS vessels must be equipped to communicate in all modes with coast radio stations. (25% chose this)
  • The combined capabilities of redundant subsystems mitigate the risk of a single point of failure. (50% chose this)
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How many times is it possible to change your own MMSI number in a VHF unit?
  • It is not possible. (0% chose this)
  • It may be changed by the operator up to 4 times. (17% chose this)
  • MMSI numbers can only be changed by the manufacturer. (17% chose this)
  • On some units it can be changed at will if the password is known. (67% chose this)
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What is the proper format for a Distress follow on voice transmission? (3x is three times),
  • All Ships 3x, this is Ship's Name/Call Sign 3x, Ship's position, nature of distress and assistance requested. (9% chose this)
  • Mayday 3x, this is Ship's Name/Call Sign 3x, Ship's position, nature of distress and assistance requested. (36% chose this)
  • Mayday 3x, this is Ship's Name/Call Sign once, Ship's position, nature of distress and assistance requested. (45% chose this)
  • All Stations 3x, this is Ship's Name/Call Sign 3x, Ship's position, nature of distress and assistance requested. (9% chose this)
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Which is NOT a valid maintenance and testing function for a SART?
  • Operational test with several vessels to determine effective transmitting range. (57% chose this)
  • Inspection of container for apparent damage. (29% chose this)
  • Inspect battery expiration date and the lanyard condition. (14% chose this)
  • Brief operational test utilizing own ship's radar. (0% chose this)
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You have been monitoring your 3-cm radar screen and a series of 12 concentric circles suddenly appears centered on the screen. What is the most likely cause of this situation?
  • There is a survival craft within 3 nm distance. (43% chose this)
  • There is a fault in the radar. (0% chose this)
  • Your own vessel's SART has been activated. (57% chose this)
  • Your own vessel's EPIRB homing beacon has been activated. (0% chose this)
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The "On Scene Coordinator" may be which of the following?
  • The vessel in Distress will always be the "On Scene Coordinator" for itself. (0% chose this)
  • The first search vessel to arrive on the scene is always designated as the OSC. (20% chose this)
  • Only shore authorities, Coast Station or RCC's can be the "On Scene Coordinator." (0% chose this)
  • Any involved vessel so designated by the Search and Rescue Mission Coordinator. (80% chose this)
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Which statement is NOT true regarding the requirements of survival craft portable two-way VHF radiotelephone equipment?
  • Operation on Ch-16 (0% chose this)
  • Antenna must be permanently-affixed. (0% chose this)
  • Simplex (single frequency) voice communications only. (20% chose this)
  • Effective radiated power should be a minimum of 2.0 Watts. (80% chose this)
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Which of the following statements concerning MMSI is true?
  • All ship station MMSI must begin with a single zero and include the MID. (17% chose this)
  • All group station MMSI must begin with the MID. (0% chose this)
  • None of these answers are correct. (67% chose this)
  • All Coast Station MMSI must be 9 digits and begin with the MID and then two zeros. (17% chose this)
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During an annual GMDSS station inspection:
  • Licensed GMDSS operators may not be required to demonstrate equipment competencies but all required equipment must be fully operational. (17% chose this)
  • All required equipment must be fully operational and any required publications that are not current must be on order. (17% chose this)
  • GMDSS operators may be required to demonstrate equipment competencies and any of required equipment that is not fully operational can be repaired at the next port of call as long as there is functional duplication. (0% chose this)
  • All required documents and publications might have to be produced and GMDSS operators may be required to demonstrate equipment competencies. (67% chose this)
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Which of the following statements concerning maintenance requirements is false?
  • Compulsory vessels sailing in Sea Areas A1 and A2 must provide any one of the three maintenance options which are duplication of equipment, shore-based, or at-sea maintenance capability. (17% chose this)
  • Compulsory vessels sailing in Sea Areas A3 and A4 must provide any two of the three maintenance options which are duplication of equipment, shore-based, or at-sea maintenance capability. (0% chose this)
  • Equipment warranties do not satisfy GMDSS maintenance requirements. (17% chose this)
  • If shore-based maintenance is used, maintenance services do not have to be completed or performance verified unless the vessel will be sailing to a non-US port. (67% chose this)
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Which statement is true regarding Inmarsat "hot-key" Distress Alerts?
  • The LES programmed by the watch officers into the Distress Alert Update menu determines which RCC will receive your initial Distress Alert. (57% chose this)
  • The vessel's position is checked against the SAR jurisdictions and the proper LES updated as the vessel changes NAVAREAS. (29% chose this)
  • The GPS position updates the Distress Alert Update menu to the correct LES choice to ensure proper communications with an RCC. (0% chose this)
  • The Distress Alert defaults are set correctly by the manufacturer and then automatically updated. (14% chose this)
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Which of the following statements concerning satellite EPIRBs is true?
  • The coded EPIRB signal identifies the nature of the Distress situation. (0% chose this)
  • The coded EPIRB signal only identifies the vessel's name and port of registry. (0% chose this)
  • If the GMDSS Radio Operator does not program the EPIRB, it will transmit default information such as the follow-on communications frequency and mode. (20% chose this)
  • Once activated, these EPIRBs transmit a signal for use in identifying the vessel and for determining the position of the beacon. (80% chose this)
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At what point does a SART begin transmitting?
  • It immediately begins radiating when placed in the "on" position. (29% chose this)
  • If it has been placed in the "on" position, it will respond when it has been interrogated by a 9-GHz radar signal. (57% chose this)
  • It must be manually activated or water activated before radiating. (0% chose this)
  • If it has been placed in the "on" position, it will begin transmitting immediately upon detecting that it is in water. (14% chose this)
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All passenger vessels must have what additional equipment?
  • Inmarsat-B terminal (0% chose this)
  • Inmarsat-C terminal (13% chose this)
  • Aircraft Transceiver with 121.5 MHz (50% chose this)
  • MF-HF SSB Transceiver (38% chose this)
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Which of the following is a functional or carriage requirement for compulsory vessels?
  • A compulsory vessel must carry at least two (2) FCC licensed GMDSS Radio Operators in all sea areas as well as a GMDSS Maintainer in sea areas A3 & A4. (17% chose this)
  • A compulsory vessel must satisfy certain equipment carriage requirements based on the intended sea area of operation. (67% chose this)
  • A compulsory vessel must be able to transmit and respond to Distress alerts and carry only one (1) FCC licensed GMDSS Radio Operator in sea areas A1 & A2. (17% chose this)
  • None of these answers are correct. (0% chose this)
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Which is not a function of a satellite under COSPAS-SARSAT using satellite EPIRBs?
  • Relayed satellite message includes the EPIRB ID number which provides a reference for retrieval of vessel information from the shore database. (14% chose this)
  • Doppler shift of EPIRB signal is measured and the EPIRB's position is calculated. (14% chose this)
  • Information received from EPIRBs is time-tagged and transmitted to any Local User Terminal in the satellite's view. (14% chose this)
  • After the EPIRB's position is calculated using the Doppler shift COSPAS-SARSAT satellites provide follow-on SAR communications. (57% chose this)
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A Ch-70 DSC Distress alert is received. What action should be taken?
  • Silence the alarm, review the message and set up watch on Ch-16 to listen for Mayday communications. (57% chose this)
  • Silence the alarm and immediately call the master for further instructions. (14% chose this)
  • Review the incoming message information but take no action unless requested to do so by the RCC. (0% chose this)
  • Use DSC to immediately notify the vessel their Distress has been received. (29% chose this)
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What system provides accurate vessel position information to the GMDSS equipment?
  • COSPAS-SARSAT (25% chose this)
  • EPIRB (13% chose this)
  • GPS (50% chose this)
  • Inmarsat-B (13% chose this)
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Which statement is true regarding the receipt and acknowledgement of Distress alerts by ship stations?
  • Ship stations in receipt of a Distress alert should acknowledge it immediately to assist the coast station in responding to the Distress alert. (0% chose this)
  • A ship station that receives a Distress alert must, as soon as possible, inform the Master or person responsible for the ship of the contents of the Distress alert. (100% chose this)
  • Ship stations that receive a Distress alert from a vessel in their vicinity must immediately send a DSC relay to inform the RCC. (0% chose this)
  • Alerts concerning navigational hazards are second only to Safety traffic. (0% chose this)
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Which of the following situations would normally use the Urgency priority?
  • A serious medical situation involving a crewmember. (57% chose this)
  • A collision with the ship taking on water. (0% chose this)
  • Important company communications related to an itinerary change. (0% chose this)
  • Scenarios concerning the Safety of navigation or important meteorological warnings. (43% chose this)
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GMDSS-equipped ships will be required to perform which of the following communications functions?
  • Distress alerting, MSI, SAR and on-scene communications & receipt of satellite alerts from other vessels. (17% chose this)
  • SAR and on-scene communications, Bridge-to-Bridge and general radio communications, MSI and relay of satellite alerts from other vessels. (0% chose this)
  • Bridge-to-Bridge and general radio communications, RDF of EPIRB homing signals, Distress alerting and MSI. (17% chose this)
  • Transmit distress alerts, SAR and on-scene communications, MSI, Bridge-to-Bridge and general radio communications. (67% chose this)
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Which statement is false regarding the COSPAS-SARSAT system and EPIRB operations?
  • The EPIRB's position is calculated by the system and passed to the MCC. (11% chose this)
  • The EPIRB transmits a unique Hex I.D. and vessel position that may be passed to the RCC. (44% chose this)
  • The EPIRB's position and Hex I.D. is passed instantaneously to the RCC. (44% chose this)
  • The EPIRB transmits a unique Hex I.D. that is passed to the RCC if it cannot be determined to be inadvertent by the MCC. (0% chose this)
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Which of the following statements concerning COSPAS-SARSAT is false?
  • 406 MHz EPIRBs are units that are used as alerting devices. (13% chose this)
  • Doppler frequency measurements provide more precise locations than GPIRB signals. (50% chose this)
  • The Doppler frequency measurement concept is used to determine the EPIRB's location. (25% chose this)
  • Satellites in a low-earth polar orbit detect EPIRB beacons on 406 MHz and relay the information to a Local User Terminal (LUT). (13% chose this)
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A SART's signal cannot be detected:
  • In poor visibility, or at night. (0% chose this)
  • In heavy seas. (17% chose this)
  • By a search vessel's 10 cm Radar. (67% chose this)
  • By a search vessel's 3 cm Radar. (17% chose this)
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Which of the following control selections may result in limited receiving range?
  • Setting the squelch control to its minimum level. (0% chose this)
  • Setting the squelch control to its maximum level. (100% chose this)
  • The power switch is set to the "high" output position, resulting in receiver overloading. (0% chose this)
  • Setting the channel selection switch midway between channels 6 and 16. (0% chose this)
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What means are used to prevent the reception of unwanted broadcasts by vessels utilizing the NAVTEX system?
  • Operating the receiver only during daytime hours. (0% chose this)
  • Coordinating reception with published broadcast schedules. (0% chose this)
  • Programming the receiver to reject certain stations and message categories. (100% chose this)
  • Automatic receiver de-sensitization during night hours. (0% chose this)
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Which GMDSS equipment is best suited to simultaneous long-range communications with an RCC/coast station and OSC vessels or SAR aircraft?
  • MF-HF SITOR (NBDP) transmitters using telex follow on frequencies. (0% chose this)
  • Inmarsat Signals routed via the RCC to the SAR vessels & aircraft under their control. (14% chose this)
  • VHF transmitters to reach SAR aircraft and OSC vessels as well as the RCC/coast station. (29% chose this)
  • MF-HF SSB transmitters using voice follow-on frequencies. (57% chose this)
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Which statement is NOT true regarding the requirements of survival craft portable two-way VHF radiotelephone equipment?
  • Watertight to a depth of 1 meter for 5 minutes. (0% chose this)
  • Operates simplex on Ch-70 and at least one other channel. (67% chose this)
  • Effective radiated power should be a minimum of 0.25 Watts. (33% chose this)
  • The antenna is fixed and non-removable. (0% chose this)
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What is the meaning of "Reserve Source of Energy"?
  • High caloric value items for lifeboat, per SOLAS regulations. (0% chose this)
  • Diesel fuel stored for the purpose of operating the powered survival craft for a period equal to or exceeding the U.S.C.G. and SOLAS requirements. (0% chose this)
  • Power to operate the radio installation and conduct Distress and Safety communications in the event of failure of the ship's main and emergency sources of electrical power. (100% chose this)
  • The diesel fueled emergency generator that supplies AC to the vessel's Emergency power bus. (0% chose this)
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Setting the squelch control to the end of its range without any noise being heard results in:
  • Less background noise (29% chose this)
  • Minimum sensitivity (57% chose this)
  • Maximum sensitivity (0% chose this)
  • Does not have any effect on the sensitivity. (14% chose this)
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Passenger vessel "On Scene" communications should be conducted with aircraft on which of the following channels or frequencies?
  • 9 GHz (0% chose this)
  • VHF Ch-13 (0% chose this)
  • VHF Ch-26 (20% chose this)
  • VHF 121.5 MHz (80% chose this)
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Which statement concerning radio log archival by the station licensee is false?
  • Retain for two years if there are no Distress entries. (33% chose this)
  • Retain for one year unless there are Distress or Urgency entries. (67% chose this)
  • Logs related to an investigation may not be destroyed without specific authorization. (0% chose this)
  • Retain for three years if there are Distress entries. (0% chose this)
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Which is true concerning a required watch on VHF Ch-16?
  • When a vessel is in an A1 sea area and subject to the Bridge-to-Bridge act and in a VTS system, a watch is required on Ch-16 in addition to both Ch-13 and the VTS channel. (17% chose this)
  • It is not compulsory at all times while at sea until further notice, unless the vessel is in a VTS system. (17% chose this)
  • When a vessel is in an A1 sea area and subject to the Bridge-to-Bridge act and in a VTS system, a watch is not required on Ch-16 provided the vessel monitors both Ch-13 and the VTS channel. (67% chose this)
  • It is not always compulsory in sea areas A2, A3 and A4. (0% chose this)
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A DSC Safety priority call might be used under the following circumstances:
  • A crew member is missing and presumed lost overboard. (0% chose this)
  • There is a fire in the engine room. (0% chose this)
  • A lifeboat has been lost over the side in heavy weather and is adrift. (100% chose this)
  • A medical situation that did not present an imminent danger of loss of life. (0% chose this)
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Which of the following statements concerning testing and maintenance of SARTs is true?
  • Testing a SART should be done in a consistent manner & location to ensure a baseline history of proper results. (80% chose this)
  • Testing of the SART should never be done in port to prevent interference to other vessel's radars. (20% chose this)
  • A SART's battery must be replaced within ninety (90) days after the expiration date imprinted on the unit. (0% chose this)
  • An at-sea GMDSS maintainer is not able to test a SART because it is hermetically sealed. (0% chose this)
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What is the requirement for emergency and reserve power in GMDSS radio installations?
  • Compulsory ships must have emergency and reserve power sources for radio communications. (80% chose this)
  • An emergency power source for radio communications is not required if a vessel has proper reserve power (batteries). (20% chose this)
  • A reserve power source is not required for radio communications. (0% chose this)
  • Only one of the above is required if a vessel is equipped with a second 406 EPIRB as a backup means of sending a Distress alert. (0% chose this)
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SafetyNETTM promulgates what type of information?
  • MSI (50% chose this)
  • Traffic Lists (13% chose this)
  • News advisories (25% chose this)
  • MARAD (13% chose this)
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The nearest Coast Guard station is being called by a vessel on Ch-22. That vessel's USA-INT switch is set to INT. What will be the results?
  • There should be no problem carrying on communications. (0% chose this)
  • The Coast Guard station will not hear the call due to listening on a duplex receiving frequency. (0% chose this)
  • Neither station will hear the other's calls. (0% chose this)
  • The Coast Guard station will probably hear the call and respond but the vessel called will not hear the response. (100% chose this)
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Which of the following references should be consulted for information on the proper setup and use of GMDSS equipment?
  • The manufacturer's operating manuals. (50% chose this)
  • 47 CFR Part 80 Subpart W. (25% chose this)
  • Instructions are available through the Maritime Safety Information (MSI) system. (13% chose this)
  • ITU List of Equipment Operations. (13% chose this)
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What precautions should be taken when reviewing previously transmitted messages?
  • Press the "Call" key when finished. (0% chose this)
  • Always save the message. (20% chose this)
  • Take steps not to accidentally send the message again. (80% chose this)
  • No precautions are necessary. (0% chose this)
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A DSC Distress alert is received. What action should be taken?
  • Transmit a DSC acknowledgement. (17% chose this)
  • Call the nearest Coast Guard Station. (17% chose this)
  • No action is necessary. (0% chose this)
  • Advise the Master and monitor Ch-16. (67% chose this)
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Which statement is false regarding a GMDSS equipped ship?
  • A conditional or partial exemption may not be granted, in exceptional circumstances, for a single voyage outside the sea area for which the ship is equipped. (80% chose this)
  • Ships must have the required equipment inspected at least once every 12 months. (0% chose this)
  • The regulations apply to all passenger ships regardless of size and cargo ships of 300 gross tons and upwards. (0% chose this)
  • Ships must carry at least two persons holding a GMDSS Radio Operator's license for Distress and Safety radio-communications purposes. (20% chose this)
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What can the operator do to adjust the audible alarm?
  • The operator can choose to disable the audible alarm. (20% chose this)
  • VHF DSC units only have visual alarms. (0% chose this)
  • The alarm cannot be disabled for Distress and Urgency messages. (80% chose this)
  • The audible alarm control has the same indication for all four message priorities. (0% chose this)
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Which of the following documents or publications are required by the FCC for GMDSS vessels on international voyages (other than the Great Lakes)?
  • IMO master plan of shore-based facilities (or substitute), station logs, appropriate operator licenses, Inmarsat handbook for GMDSS. (0% chose this)
  • NGA Pub. 117 (or substitute), station logs, appropriate operator licenses, IAMSAR manual volume III. (29% chose this)
  • Part 80 FCC rules, station logs, station licenses, ITU publications, IMO manual for Maritime Mobile stations. (14% chose this)
  • Part 80 FCC rules, station logs, station licenses, ITU publications, ITU manual for Maritime Mobile stations. (57% chose this)
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Which of the following statements on address book entries is not correct?
  • Shore based telephone numbers may be entered for automatic telephone calls ashore. (33% chose this)
  • Address book entries can only be used to call shore stations. (67% chose this)
  • Public Correspondence Stations may be entered. (0% chose this)
  • A vessel's name and MMSI number may be entered. (0% chose this)
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What publications should the GMDSS Radio Operator consult to review the proper procedures to be followed in Distress situations under GMDSS?
  • The manufacturer's technical manuals. (0% chose this)
  • The manufacturer's operator manuals. (20% chose this)
  • 47 CFR Part 80 Subpart W. (80% chose this)
  • 47 CFR Part 90 Subpart V. (0% chose this)
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What action should you take after sending a false Distress alert on VHF?
  • Send a DSC cancellation message on Ch-70. (0% chose this)
  • Make a voice announcement to cancel the alert on Ch-13. (0% chose this)
  • Make a voice announcement to cancel the alert on Ch-22A. (0% chose this)
  • Make a voice announcement to cancel the alert on Ch-16. (100% chose this)
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The relay of DSC Distress alerts:
  • Was not originally an intended function of the GMDSS system but now is the preferred method to notify an RCC. (17% chose this)
  • Remains the preferred method for passing Distress message traffic to an RCC or Coast Station. (0% chose this)
  • Should always be done immediately to ensure a Coast Station receives the DSC Distress Alert. (17% chose this)
  • Can quickly overburden the GMDSS systems in the vicinity with improperly transmitted or inappropriately relayed DSC calls. (67% chose this)
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Which of the following statements concerning the EPIRB system is true?
  • GOES weather satellites will provide alerting with complete worldwide coverage. (14% chose this)
  • COSPAS-SARSAT satellites always provides an alert and position report within 10 minutes of reception. (29% chose this)
  • The Inmarsat system will not provide alerts and position report for 406 MHz EPIRBs equipped with GPS receivers. (57% chose this)
  • The GPS satellite system will relay an alert and position report within 20 minutes of reception. (0% chose this)
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What is the MID?
  • Mobile Identification Number (20% chose this)
  • Marine Indemnity Directory (0% chose this)
  • Mobile Interference Digits (0% chose this)
  • Maritime Identification Digits (80% chose this)
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The USA-INT control on VHF units:
  • Was made necessary by a desire for more duplex channels in the U.S. (13% chose this)
  • Correctly set, will result in duplex operations in U.S. Coastal waters on the "alpha" channels. (13% chose this)
  • Correctly set, will result in simplex operations in U.S. Coastal waters on the "alpha" channels. (50% chose this)
  • Was made necessary by a desire to convert simplex international channels to duplex channels in the U.S. (25% chose this)
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What determines whether a NAVTEX receiver prints a particular type of message content from a programmed NAVTEX station?
  • The serial number and type of message have already been received but additional printouts are generated to ensure receipt aboard the vessel. (0% chose this)
  • The serial number and type of message has not been previously received or the subject indicator has not been programmed for rejection. (80% chose this)
  • The subject indicator has been programmed for rejection by the operator but the message contains a priority override print command. (0% chose this)
  • The transmitting station ID covering your area has been programmed for rejection by the operator or has not been previously received. (20% chose this)
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A VHF-DSC Distress alert call:
  • Using the "Distress Button" or "Distress Hot Key" ensures that all information pertinent to a Distress will be transmitted. (29% chose this)
  • Contains information on the vessel's course and speed. (14% chose this)
  • Can include the nature of the distress if time permits and operator selects it (57% chose this)
  • Will always contain accurate positions from GPS units and correct MMSI numbers. (0% chose this)
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DSC Urgency priority calls may be sent using the "Distress Hot Key" under the following circumstances:
  • If no additional information is required to be transmitted. (13% chose this)
  • Under NO circumstances. (50% chose this)
  • Only if the position information is correct. (13% chose this)
  • The "Distress Hot Key" can be programmed for either Urgency or Distress as required. (25% chose this)
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The quickest way to transmit a DSC Distress alert is:
  • Select "Distress" priority from the menu and transmit an "all ships" call. (22% chose this)
  • Transmit a "MAYDAY" call on Ch-16. (11% chose this)
  • Press the "Distress Hot Key" as specified by the equipment manufacturer. (44% chose this)
  • Select "Distress Relay Select" from the menu and transmit the call. (22% chose this)
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The NAVTEX message header contains the following?
  • A two-digit number (01-99) indicates the NAVTEX message category. (17% chose this)
  • Message numbers include a date/time group, along with the transmitting station's numerical ID. (0% chose this)
  • The first letter (from A to Z) indicates the NAVTEX transmitting station. (67% chose this)
  • None of these answers is correct. (17% chose this)
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What actions should the GMDSS radio operator take prior to any potential Distress situation?
  • Create a table or chart of all the DSC coast stations that might be used during the vessel's itinerary. (0% chose this)
  • All of these answers are good operational practice and should be consistently done. (83% chose this)
  • Prepare a detailed Distress message file on both satellite & MF-HF SITOR (NBDP) equipment containing all information needed in a Distress so it will be available for last-minute editing. (17% chose this)
  • Ensure all LES choices are correct and then updated properly as the vessel transits different SAR jurisdictions. (0% chose this)
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What is the reason for the USA-INT control or function?
  • It changes some channels that are normally duplex INT channels into simplex USA channels. (83% chose this)
  • It changes some channels that are normally simplex INT channels into duplex USA channels. (0% chose this)
  • When the control is set to "INT" the range is increased. (0% chose this)
  • It changes duplex USA channels to simplex for International use. (17% chose this)
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Proper watchkeeping includes the following:
  • After silencing an alarm all displays and/or printouts are read, monitoring all required frequencies in the proper mode, notifying the Master of any Distress alerts. (56% chose this)
  • Monitoring all required frequencies in the proper mode, setting the DSC scanner to 2 MHz, 4 MHZ and 8 MHz for ships in the vicinity, notifying the Master of any Distress alerts. (11% chose this)
  • Notifying the Master of any Distress alerts, setting the DSC scanner to 2 MHz, 4 MHZ and 8 MHz for ships in the vicinity, monitoring all required frequencies in the proper mode. (22% chose this)
  • Setting the DSC scanner only to the mandatory 2 MHz & 8 MHz, maintain continuous watch on 2182.0 kHz or 4125.0 kHz, notify the Master of any Distress traffic heard. (11% chose this)
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What statement is correct regarding the maintenance requirements for A3 ships under GMDSS?
  • If the vessel selects at-sea maintenance no additional parts and spares are required. (0% chose this)
  • On-board maintenance provided by a person holding a GMDSS Maintainer's license will fully meet the requirements. (14% chose this)
  • Redundancy of functions of certain equipment and on-board maintenance provided by a person holding a GMDSS Maintainer's license will partially meet this requirement. (71% chose this)
  • Shoreside maintenance and scheduled tests and inspections will not partially meet this requirement. (14% chose this)
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What features may be found on GMDSS satellite EPIRB units?
  • Strobe light, Distress homing transmission on 406 MHz, float-free release bracket. (0% chose this)
  • Emergency transmission on 406 MHz, hydrostatic release, AIS homing frequency. (17% chose this)
  • Float-free release bracket, strobe light & Distress alert transmission on 406 MHz. (83% chose this)
  • Hydrostatic release, Distress alert transmission on 121.5 MHz, strobe light. (0% chose this)
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A DSC call is received from a station with a MMSI number of 003669991. What type of station made the call?
  • A vessel operating in Sea Area A3. (0% chose this)
  • A group ship station (0% chose this)
  • A U.S. coast station (100% chose this)
  • An Intercoastal vessel (0% chose this)
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To send a Distress alert use the following procedure:
  • Initiate a menu call to select Ch-16 for voice communications. (0% chose this)
  • Use the "Distress Hot Key" in an appropriate manner. (83% chose this)
  • Always insert the nature of the Distress first. (0% chose this)
  • Make a voice Mayday call on Ch-16 before any other action. (17% chose this)
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On Scene communications should be conducted on which of the following channels?
  • 406 MHz (0% chose this)
  • VHF Ch-22A (44% chose this)
  • VHF Ch-16/06 (56% chose this)
  • VHF Ch-70 (0% chose this)
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Which of the following is the primary frequency that is used exclusively for NAVTEX broadcasts internationally?
  • 518 kHz (83% chose this)
  • 2187.5 kHz (17% chose this)
  • 4209.5 kHz (0% chose this)
  • VHF channel 16 when the vessel is sailing in Sea Area A1, and 2187.5 kHz when in Sea Area A2. (0% chose this)
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What is the best method of determining whether a Distress situation is genuine?
  • Check your 3-cm radar for a SART signal from the Distress vessel. (17% chose this)
  • Monitor the 406 MHz EPIRB signal to locate the vessel in Distress. (0% chose this)
  • Check the NAVTEX for U.S.C.G. confirmation of the Distress from the RCC. (0% chose this)
  • Monitor the follow on frequency for actual voice Distress communications. (83% chose this)
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What statement is true regarding 406 MHz EPIRB transmissions?
  • Transmits a unique hexadecimal identification number. (83% chose this)
  • Allows immediate voice communications with the RCC. (0% chose this)
  • Coding permits the SAR authorities to know if manually or automatically activated. (0% chose this)
  • GMDSS Radio Operator programs an I.D. into the SART immediately prior to activation. (17% chose this)
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A vessel is on a coastwise voyage that results in a distance off shore of 10 to 40 nm and therefore:
  • The vessel must be able to communicate with a coast station on Ch-16 to be within Sea Area A-1. (14% chose this)
  • To be within Sea Area A-1 the vessel must continuously be within range of a coast station with VHF-DSC capability. (71% chose this)
  • The vessel will always be in Sea Area A-1because all coastal voyages have A-1 DSC coverage. (0% chose this)
  • To be within Sea Area A-1 the vessel must continuously be within range of a coast station with MF-DSC capability. (14% chose this)
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Which of the following is not true regarding vessel position information?
  • The position is normally provided from GPS input. (0% chose this)
  • The time of the updated position should be UTC or the correct local zone time. (71% chose this)
  • If the position is not automatically updated it must be manually updated every 4 hours. (29% chose this)
  • The position information must be periodically checked to ensure that it remains current and accurate. (0% chose this)
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What equipment is used in or near the survival craft?
  • NAVTEX (13% chose this)
  • EPIRB (63% chose this)
  • Fathometer (13% chose this)
  • COSPAS-SARSAT (13% chose this)
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Which of the following situations would normally use the Safety priority?
  • A serious medical situation involving a crewmember. (0% chose this)
  • An unanticipated warning related to piracy or terrorism. (14% chose this)
  • Grounding in a way that could lead to imminent danger to the ship's crew. (14% chose this)
  • Important navigational or meteorological warnings. (71% chose this)
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When initiating a DSC call through the menu system what is the most likely information that will be displayed after making the first correct keystroke?
  • The Telecom-1 menu. (0% chose this)
  • The particulars of the previous call. (13% chose this)
  • The priority menu. (25% chose this)
  • The call setup menu. (63% chose this)
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The Radiotelephone Safety signal is:
  • "Securite" repeated 3 times (100% chose this)
  • "Safety Safety Safety" (0% chose this)
  • "Pan Pan" repeated 3 times (0% chose this)
  • "Securite Securite" repeated 3 times (0% chose this)
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What is the reason for imposing radio silence?
  • To keep a clear channel open for Safety broadcasts. (14% chose this)
  • To prevent interference to Distress communications. (71% chose this)
  • To allow individual vessels to carry out direct communications. (0% chose this)
  • To listen periodically for other vessels sending Distress alerts on Ch-70. (14% chose this)
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What indication is given to the personnel in a survival craft of the approach of SAR craft?
  • The Satellite EPIRB will change its strobe light pattern to indicate radar interrogation. (0% chose this)
  • The SART informs survivors when the SART switches to the "standby" mode. (29% chose this)
  • The SART may provide a visual or audible indication of interrogation by a 3-cm radar. (71% chose this)
  • The AIS SART will alarm to indicate that SAR craft with radars are getting close. (0% chose this)
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If operating within Ocean Area A1, and outside of NAVTEX coverage, a GMDSS-equipped vessel must carry:
  • Equipment capable of reception of Maritime Safety Information by the Inmarsat enhanced group call system, or HF SITOR (NBDP). (83% chose this)
  • A GPS receiver. (0% chose this)
  • Equipment capable of maintaining a continuous DSC watch on 2187.5 kHz. (17% chose this)
  • An Inmarsat-B terminal. (0% chose this)
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On Scene communications are usually initiated using what equipment?
  • EPIRB on 121.5 MHz (0% chose this)
  • SART on 9 GHz (0% chose this)
  • VHF on Ch-16 (100% chose this)
  • VHF on Ch-70 (0% chose this)
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The EPIRB on the bridge wing is observed with the strobe light flashing and the control switch in the "ON" position. What action(s) should be taken?
  • Disabling the EPIRB is all that is necessary. (0% chose this)
  • Contact the nearest USCG Coast Station and request that they send the alert reset signal. (0% chose this)
  • Contact the nearest coast station or RCC to cancel the distress alert and subsequently disable the EPIRB. (100% chose this)
  • Disable the EPIRB and wait for the USCG to advise that the transmission has stopped. (0% chose this)
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NAVTEX broadcasts are sent:
  • Immediately following traffic lists. (0% chose this)
  • On request of maritime mobile stations. (0% chose this)
  • In categories of messages indicated by a single letter or identifier. (71% chose this)
  • Regularly, after the radiotelephone silent periods. (29% chose this)
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If a VHF-DSC Distress alert is transmitted what channel is used for follow-on voice transmission?
  • Ch-12 (0% chose this)
  • Ch-70 (14% chose this)
  • Ch-16 (71% chose this)
  • Ch-13 (14% chose this)
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What channel would you use to place a call to a shore telephone?
  • Ch-16 (10% chose this)
  • Ch-70 (30% chose this)
  • Ch-06 (10% chose this)
  • Ch-28 (50% chose this)
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How is mutual interference on 518 kHz among NAVTEX stations avoided?
  • Transmissions scheduled on a time-sharing basis, power limited and station assignment codes are geographically separated. (63% chose this)
  • All stations transmit at the same time but stations are limited to daytime operation only to reduce the radius of propagation. (25% chose this)
  • Transmitter power is limited, station assignment codes are not shared by other NAVAREAS and stations alternate between daytime and nighttime operations. (13% chose this)
  • Station codes are not shared by other NAVAREAS, transmissions scheduled on a time-sharing basis and power is limited. (0% chose this)
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Which of the following would most likely not prevent a SART's signal from being detected?
  • The rescue personnel were monitoring the 3-CM radar and the SART was mounted improperly in the lifeboat. (0% chose this)
  • The SART was mounted improperly in the survival craft and rescue personnel were monitoring the 10-CM radar. (14% chose this)
  • The rescue personnel were monitoring the 10-CM radar and the SART was properly mounted in the lifeboat. (14% chose this)
  • The SART was properly mounted in the lifeboat and rescue personnel were monitoring the 3-CM radar. (71% chose this)
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How is "radio silence" imposed?
  • By the Land Earth Station (LES) controlling the Distress communications on that frequency. (14% chose this)
  • By the On Scene Coordinator (OSC) or the RCC chosen by the SAR Mission Coordinator. (71% chose this)
  • By the nearest Public Correspondence Coast Station. (14% chose this)
  • By the vessel first responding to the Distress call. (0% chose this)
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Which of the following service or maintenance functions may NOT be performed by the holder of a GMDSS Radio Operator License?
  • Reset tripped circuit breakers or replace defective fuses. (0% chose this)
  • Routine battery maintenance if used as part of the GMDSS station. (0% chose this)
  • Any adjustments or maintenance that may affect the proper operation of the station. (100% chose this)
  • Replacement of consumable items such as paper, ribbons, etc. (0% chose this)
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What statement is true regarding tests and maintenance that could be provided for the SART?
  • Full verification within manufacturer's specifications by the on-board maintainer would be a requirement for all vessels in the A3 & A4 sea areas using measuring equipment to generate 9 GHz signals. (0% chose this)
  • Battery should be replaced within the 90 day grace period following the manufacturer's expiration date shown on the SART and the SART should only be tested at-sea to reduce interference to other vessels. (25% chose this)
  • Extreme care should be exercised because testing of the SART may be received by other vessels, may be interpreted as a Distress condition, or it may interfere with other vessels' safe navigation. (63% chose this)
  • Battery should be replaced with a new one before the manufacturer's expiration date shown on the SART and the SART should only be tested in port to reduce interference to other vessels. (13% chose this)
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Which action should the GMDSS radio operator take in a Distress situation when embarking in survival craft?
  • EPIRB and SART switched on manually prior to embarking; remain aboard vessel in Distress. (0% chose this)
  • Notify RCC (Rescue Coordination Center) through VHF DSC in portable equipment. (17% chose this)
  • Switch on EPIRB and SART immediately and leave on. (83% chose this)
  • Communicate via Inmarsat-C from the survival craft. (0% chose this)
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The "Scan" function is used to:
  • Monitor Ch-16 continuously and switching to either Ch-70 or Ch-13 every 5 seconds. (0% chose this)
  • Sequentially scan all or selected channels. (83% chose this)
  • Scan Ch-70 for Distress alerts. (17% chose this)
  • None of the above. (0% chose this)
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Which of the following statements concerning COSPAS-SARSAT is false?
  • EPIRBs, ELTs, and PLBs use the system primarily for Distress alerting. (0% chose this)
  • These satellites monitor 406 MHz for EPIRB signals. (14% chose this)
  • After initiating a call request and selecting the LES, these satellites may be used for commercial messages. (71% chose this)
  • These satellites use Doppler shift measurement to determine the location of the beacons. (14% chose this)
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What does the DSC control unit do if the GMDSS Radio Operator fails to insert updated information when initiating a DSC Distress alert?
  • It will abort the transmission and set off an audible alarm that must be manually reset. (11% chose this)
  • It will initiate the DSC Distress alert but, as no information will be transmitted, rescue personnel will not be able to identify the vessel, its position, or its situation. (11% chose this)
  • It will initiate the DSC Distress alert and default information will automatically be transmitted. (56% chose this)
  • It will initiate the DSC Distress alert, but any station receiving it will have to establish contact with the distressed vessel to determine its identity, position, and situation. (22% chose this)
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The Sea Area you are in is determined by:
  • The vessel's distance from shore. (22% chose this)
  • The types of maintenance available to your vessel. (22% chose this)
  • Whether the ship station is in range of a VHF-DSC, MF-DSC, HF-DSC Coast Station or Inmarsat coverage. (56% chose this)
  • Whether the ship only makes domestic/coastal voyages or it goes international. (0% chose this)
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A VHF-DSC "Distress Hot Key" alert always transmits what information if connected to GPS?
  • Distress designation and follow on communications channel. (0% chose this)
  • A "Nature of Distress" category and Distress priority specifier code. (0% chose this)
  • Position, UTC time of position update and Ch-70 for voice follow-on. (17% chose this)
  • Position, time of position update, MMSI number programmed and Distress priority specifier. (83% chose this)
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Which device provides the best method to locate a ship in Distress or survival craft in the GMDSS?
  • Satellite EPIRBs (71% chose this)
  • Radio Direction Finder (0% chose this)
  • MF/HF DSC (0% chose this)
  • VHF homing device (29% chose this)
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What is the frequency range for Maritime VHF operations?
  • 3-30 MHz (0% chose this)
  • 88-108 MHz (17% chose this)
  • 156-164 MHz (83% chose this)
  • 540-1640 kHz (0% chose this)
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Your ship received a Distress relay from a coast station on DSC VHF channel 70. What action should the watch officer take?
  • Retransmit the DSC call on Ch-70 to other vessels in the vicinity. (14% chose this)
  • Monitor Ch-16 to determine if there are any genuine Distress communications. (71% chose this)
  • Monitor Ch-06 to determine if there are any genuine Distress communications. (14% chose this)
  • Transmit a voice "Mayday Relay" call on Ch-13. (0% chose this)
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Which of these can be used to receive MSI?
  • SART (13% chose this)
  • EPIRB (13% chose this)
  • Inmarsat-B (13% chose this)
  • NAVTEX (63% chose this)
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How are Routine calls usually formatted/initiated?
  • By pressing the "Distress Hot Key". (0% chose this)
  • By making the appropriate key strokes to select the appropriate menu choices. (83% chose this)
  • By pressing the "Alarm" button and then selecting from various options. (0% chose this)
  • Using Ch-70 to make Routine priority DSC calls is not permitted. (17% chose this)
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Which of the following would best be used for visual detection of a distressed vessel?
  • A 9-GHz SART's beacon. (0% chose this)
  • An EPIRB's strobe light. (100% chose this)
  • A 121.5-MHz EPIRB beacon. (0% chose this)
  • A 406-MHz EPIRB beacon. (0% chose this)
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The EPIRB on the bridge wing is observed with the strobe light flashing and the control switch in the "OFF" position. What action should be taken?
  • Place the control switch in the "OFF" position. (0% chose this)
  • No action is needed - the strobe light indicates the automatic monthly self test is in progress. (0% chose this)
  • Wait for the USCG or NOAA to confirm that the unit is actually transmitting. (0% chose this)
  • Assume the unit is transmitting and follow the recommended procedures to properly cancel a false distress alert being broadcast from an EPIRB. (100% chose this)
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What radar display changes indicate the correct approach to a SART and what care should be taken in a SAR situation?
  • The line of dots indicate the SART's position, the dots become increasing arcs as the distance to the SART lessens, rescuing vessels should increase speed to reach Distress more quickly. (14% chose this)
  • A line of dots on a radar screen rotates to indicate the SART's position along its line of bearing; rescuing vessels should steer for the center of the line of dots. (0% chose this)
  • The line of dots indicate the SART's position, the dots become increasing arcs as the distance to the SART lessens, rescuing vessels should reduce speed as the arcs get greater in degree. (71% chose this)
  • The line of dots indicate the SART's position, the dots become decreasing arcs as the distance to the SART lessens, rescuing vessels should reduce speed as the arcs lessen in degree. (14% chose this)
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Which of the following satellite systems is of particular & dedicated importance to search and rescue missions under GMDSS?
  • COSPAS/SARSAT (83% chose this)
  • Inmarsat (17% chose this)
  • GPS (0% chose this)
  • Iridium (0% chose this)
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Which of the following references should be consulted to identify the name of a vessel based on its Maritime Mobile Service Identity?
  • ITU list of Coast Stations. (0% chose this)
  • ITU List of Ship Stations and Maritime Mobile Service Identity Assignments. (100% chose this)
  • ITU List of Radio-determination and Ship Stations. (0% chose this)
  • ITU Master Plan of Shore-Based Facilities. (0% chose this)
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Which of the following are required GMDSS functions?
  • Bridge-to-Bridge communications, reception of weather map facsimile broadcasts, SAR communications. (0% chose this)
  • Reception of weather map facsimile broadcasts, receiving company email, On-scene communications. (0% chose this)
  • Reception of VHF weather channels, On-scene communications, general communications. (29% chose this)
  • Bridge-to-Bridge communications, general communications, SAR communications. (71% chose this)
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Proper and legal VHF operations require all of these except?
  • The channel must be designated as valid for the nature or type of communications desired. (22% chose this)
  • Simplex, duplex and alpha channel modes must be correctly selected. (0% chose this)
  • The correct bandwidth must be selected by the operator. (56% chose this)
  • The power level must be appropriately chosen by the operator. (22% chose this)
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You receive a VHF-DSC Distress alert. What Channel should you monitor for further information?
  • Ch-16 (100% chose this)
  • Ch-06 (0% chose this)
  • Ch-22A (0% chose this)
  • Ch-70 (0% chose this)
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The VHF-DSC self-test function (if available) usually performs the following:
  • Transmits a very weak DSC signal which is picked up by the Ch-70 receiver. (13% chose this)
  • Transmits a weak voice signal which is picked up on Ch-16. (25% chose this)
  • Makes a diagnostic test of the system without actually transmitting a signal. (63% chose this)
  • Does a check sum of the memory chips. (0% chose this)
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What kind(s) of broadcasts are not available through SafetyNETTM?
  • MSI and messages to specific geographic areas. (22% chose this)
  • Vessel traffic lists (56% chose this)
  • Storm warnings (0% chose this)
  • Distress and Urgency bulletins (22% chose this)
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When can routine communications be resumed when radio silence has been imposed?
  • After determining that the frequency or channel appears to be no longer in use. (0% chose this)
  • After determining that geographic distance from the Distress situation will prohibit any other signal from interfering with emergency communications. (0% chose this)
  • If, in the master's opinion, communications on that frequency will interfere with emergency communications. (0% chose this)
  • Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded. (100% chose this)
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Which GMDSS system utilizes terrestrial radio techniques?
  • F-77 (13% chose this)
  • Inmarsat-C (13% chose this)
  • GPS (13% chose this)
  • VHF-MF-HF-DSC (63% chose this)
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Which GMDSS communication functions must all compulsory vessels be capable of performing to meet International Maritime Organization requirements?
  • Distress alerting and receipt of Maritime Safety Information via Inmarsat for all vessels intending to operate in Sea Area A4. (0% chose this)
  • Distress alerting and receipt of MSI in Sea Areas A1, A2, A3, and A4 regardless of the vessel's intended area of operation. (38% chose this)
  • Distress alerting, general communications and receipt of Maritime Safety Information in the vessel's intended area of operation. (63% chose this)
  • General communications via Inmarsat and receipt of Maritime Safety Information via Enhanced Group Calling in Sea Area A4. (0% chose this)
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The Dual Watch (DW) function is used to:
  • Listen to Ch-70 at the same time while monitoring Ch-16. (13% chose this)
  • Sequentially monitor 4 different channels. (13% chose this)
  • None of the above (13% chose this)
  • Listening on any selected channel while periodically monitoring Ch-16. (63% chose this)
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What does the MID (Maritime Identification Digits) signify?
  • Port of registry (14% chose this)
  • Nationality (71% chose this)
  • Gross tonnage (0% chose this)
  • Passenger vessel (14% chose this)
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Which of the following maintenance functions is not the responsibility of the GMDSS Radio Operator?
  • Visual inspection of equipment, including the antenna and associated components. (0% chose this)
  • Perform on-the-air verification checks. (33% chose this)
  • Perform scheduled testing of the battery's charged condition. (11% chose this)
  • Aligning the power output stage for maximum power. (56% chose this)
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Equipment for radiotelephony use in survival craft stations under GMDSS must have what characteristic(s)?
  • Permanently-affixed antenna, watertight, power 1W or 25W. (13% chose this)
  • Watertight, power a minimum of 1W, operation on CH-16, Ch-13 & Ch-70. (13% chose this)
  • Operation on Ch-16, watertight, permanently-affixed antenna. (63% chose this)
  • Operation on Ch-16, Ch-13 & Ch-70, power 1W, permanently-affixed antenna. (13% chose this)
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A crewmember has accidentally transmitted a VHF-DSC Distress alert. What action should be taken?
  • Stop the radio from repeating the alert then make an all stations call on Ch-16 canceling the inadvertent alert. (56% chose this)
  • Send a DSC call canceling the Distress alert. (22% chose this)
  • No specific action is necessary. (11% chose this)
  • Turn off the power and make a voice announcement to cancel the alert on Ch-70. (11% chose this)
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What is the frequency range for Medium Frequency?
  • 10-30 MHz (0% chose this)
  • 1,000-10,000 kHz (14% chose this)
  • 300-3,000 kHz (71% chose this)
  • 30-300 kHz (14% chose this)
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The effectiveness of VHF communications is maximized by:
  • Appropriate setting of the transmitter power, selecting an appropriate channel & adjustment of squelch for maximum receiver sensitivity. (83% chose this)
  • The adjustment of squelch for maximum receiver sensitivity, setting transmitter power to 1W & selecting an appropriate channel. (0% chose this)
  • Selecting an appropriate channel, adjustment of squelch for minimum receiver sensitivity & setting transmitter power to 1W. (0% chose this)
  • Selecting an appropriate channel, adjustment of squelch for minimum receiver sensitivity, setting transmitter power to 25W. (17% chose this)
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Aboard ship, SafetyNETTM messages can be received by which equipment/methods?
  • EGC receiver of the vessel's Inmarsat-C SES. (86% chose this)
  • VHF DSC on the weather channels. (0% chose this)
  • NAVTEX Receiver on 518 kHz or the Tropical Navtex frequency (0% chose this)
  • HF SITOR (NBDP) MSI frequencies. (14% chose this)
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What part of a satellite EPIRB may function as a visual aid to rescue vessels?
  • Strobe light (60% chose this)
  • A 121.5 MHz emergency transmitter in a satellite EPIRB. (20% chose this)
  • 406 MHz signal from a satellite EPIRB. (0% chose this)
  • Loud beeping tone emitted by the unit, once activated. (20% chose this)
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A DSC Safety call might be used under the following conditions:
  • Navigation Hazard (67% chose this)
  • Man overboard (11% chose this)
  • Distress situation (11% chose this)
  • Serious medical request (11% chose this)
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Which of the following situations would normally use the Urgency priority?
  • A crewmember falling over the side. (0% chose this)
  • A serious medical situation involving a crewmember with potential loss of life. (13% chose this)
  • A cargo shift or weather situation considered to be of greater hazard than would justify a Safety priority designation. (75% chose this)
  • An important meteorological warning concerning hazardous weather. (13% chose this)
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The Radiotelephone Urgency signal is:
  • Mayday (25% chose this)
  • Pan Pan (75% chose this)
  • Securite (0% chose this)
  • Seelonce Feenee (0% chose this)
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When may a compulsory vessel not be allowed to leave port?
  • When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged. (100% chose this)
  • When the vessel is in an over-carriage condition. (0% chose this)
  • When the vessel has arranged for both duplication of equipment and shore-based maintenance. (0% chose this)
  • When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions. (0% chose this)
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Transmission of a Distress alert by a station on behalf of another vessel actually in Distress should not occur:
  • When communications between the Distress vessel and a Coast station are already in progress. (67% chose this)
  • When the mobile unit actually in Distress is not itself in a position to transmit the Distress alert. (0% chose this)
  • When the Master or responsible person on the mobile unit not in Distress so decides. (11% chose this)
  • When the responsible person at the Coast Station determines further help is necessary. (22% chose this)
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If a vessel is on a voyage from Miami, Florida to Houston, Texas what Sea Areas may it transit through?
  • Sea area A3 if it is beyond range of a MF-DSC equipped coast station. (0% chose this)
  • Sea area A2 or A3 if it is not within range of a VHF-DSC equipped coast station. (0% chose this)
  • Sea area A1 only if within range of a VHF-DSC equipped coast station. (33% chose this)
  • All of these answers may be correct depending on coast station DSC coverage. (67% chose this)
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What services are available through Enhanced Group Calls?
  • Maritime Safety Information and vessel traffic lists. (14% chose this)
  • Hourly NOAA weather broadcasts from the NWS. (0% chose this)
  • Maritime Safety Information and messages to pre-defined groups of subscribers. (86% chose this)
  • Coastal weather broadcasts. (0% chose this)
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Which of the following is a GMDSS requirement for all vessels over 300 gross tons operating within range of a MF-DSC equipped shore station?
  • Ship's Master or radio officer must be on watch at all times. (13% chose this)
  • Only one of the three maintenance options is required. (75% chose this)
  • MF communications must be handled by the holder of a General Radiotelephone Operator's License. (13% chose this)
  • Only FCC required spare parts and a maintenance kit for repairs are required. (0% chose this)
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How is a NAVTEX receiver programmed to reject certain messages?
  • The transmitting station's two-digit identification can be entered to de-select reception of its broadcasts. (14% chose this)
  • By entering the SELCAL of the NAVTEX transmitting station. (0% chose this)
  • By pressing "00" in the transmitter's ID block. (0% chose this)
  • By choosing a message category's single letter (A-Z) identifier and then deselecting or deactivating. (86% chose this)
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What is the transmitting range of most NAVTEX stations?
  • Typically 50-100 nautical miles (90-180 km) from shore. (14% chose this)
  • Typically 200-400 nautical miles (360-720 km). (86% chose this)
  • Typically upwards of 1000 nautical miles (1800 km) during the daytime. (0% chose this)
  • It is limited to line-of-sight or about 30 nautical miles (54 km). (0% chose this)
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A DSC Urgency priority call is usually set up in the following manner:
  • Such calls are sent first to all coast stations and then later to all ship stations. (22% chose this)
  • Such calls are sent to an individual coast station. (0% chose this)
  • Such calls are sent to an individual ship station. (11% chose this)
  • Such calls are sent simultaneously to "all stations". (67% chose this)
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What information is normally entered in the address book?
  • The vessel's IMN. (0% chose this)
  • The vessel's call sign and name. (25% chose this)
  • The vessel's IMO number. (0% chose this)
  • Vessel's name and MMSI number. (75% chose this)
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The USA-INT control on VHF units:
  • Selects duplex operations for U.S. coastal waters and simplex operations in non-U.S. waters, on the "alpha" channels. (0% chose this)
  • Ensures that the "alpha" channels are correctly set to duplex for use in U.S. waters & on VTS channels. (22% chose this)
  • Changes selected international duplex channels to simplex channels for use in U.S. waters, on the "alpha" channels. (67% chose this)
  • Changes selected international simplex channels to duplex channels for use in U.S. waters, on the "alpha" channels. (11% chose this)
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Which FCC license meets the requirement to serve as a GMDSS operator?
  • General Radiotelephone Operator's License. (0% chose this)
  • Marine Radio Operator's Permit. (0% chose this)
  • GMDSS Radio Operator's License (100% chose this)
  • GMDSS Radio Maintainer's License. (0% chose this)
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Which of the following channels is designated as the VHF follow-on communications channel and is required in all portable survival craft equipment?
  • Ch-16 (86% chose this)
  • Ch-6 (0% chose this)
  • Ch-13 (14% chose this)
  • Ch-70 (0% chose this)
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What would be the appropriate menu choice when calling another ship station?
  • Ch-28 (33% chose this)
  • Duplex (0% chose this)
  • Simplex (67% chose this)
  • Ch-22 (0% chose this)
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What action is not applicable in preventing transmissions of false Distress alerts?
  • Proper watch officer instruction and training. (0% chose this)
  • Disabling the unit's ability to perform DSC Relays & acknowledgments. (86% chose this)
  • Ensure that the protective cover over the "Distress Hot Key" is secure. (14% chose this)
  • Ensure that all officers read the operating manuals and are familiar with the menus. (0% chose this)
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Which of the following EPIRBs is most likely to be used to transmit a Distress alert signal?
  • S-Band EPIRBs (0% chose this)
  • X-Band EPIRBs (0% chose this)
  • 406 MHz EPIRBs (86% chose this)
  • 121.5/243 MHz EPIRBs (14% chose this)
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What information should be included in a Distress follow on voice transmission after a DSC Alert?
  • Ship's Name and Call Sign, MMSI number, DSC frequency used and any other information that might facilitate rescue. (0% chose this)
  • Ship's Name and Call Sign, MMSI number & position, the nature of distress and assistance requested. (100% chose this)
  • Ship's position, Ship's IMN, the nature of distress and assistance requested. (0% chose this)
  • Ship's Name and Call sign, repeat IMN, provide any other information that might facilitate rescue. (0% chose this)
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What is the frequency range for Super High Frequency?
  • 30-300 GHz (0% chose this)
  • 3-30 GHz (86% chose this)
  • 300-3,000 MHz (14% chose this)
  • 30-300 MHz (0% chose this)
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What is the frequency range for High Frequency?
  • 300-3,000 kHz (0% chose this)
  • 30-300 MHz (25% chose this)
  • 10-30 MHz (0% chose this)
  • 3-30 MHz (75% chose this)
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Which information determines if a NAVTEX message is to be rejected?
  • Transmitter identity (numerals from 1 to 26 identifying transmitting station within the NAVAREA). (0% chose this)
  • The second letter (from A to Z) in the header indicating the type of message. (100% chose this)
  • The Answerback of the receiving station has not been entered in the NAVTEX receiver. (0% chose this)
  • Only messages having a serial number 00 are rejected. (0% chose this)
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Which of the following statements is true?
  • You should always use the "INT" setting for calling a Public Correspondence station. (0% chose this)
  • Using the "USA" setting changes certain channels from duplex to simplex operation. (86% chose this)
  • You should use Ch-22 when calling the U. S. Coast Guard. (14% chose this)
  • Using the "INT" setting will prevent proper Ch-13 Bridge-to-Bridge operations. (0% chose this)
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Why is it important to limit the duration of testing a SART?
  • Excessive testing causes "burn in" on the vessel's radar display. (30% chose this)
  • Testing in port or even at sea may cause interference to other radars or a test signal may be misinterpreted as a genuine Distress situation. (60% chose this)
  • To prevent overheating, a SART requires sufficient ventilation that is significantly reduced when the SART is being tested. (0% chose this)
  • If another SART is testing at the same time, the two signals will cause damage to the unit that transmitted them. (10% chose this)
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What is an example of a locating signal?
  • SSB phone traffic (14% chose this)
  • Ship to shore transmissions (0% chose this)
  • Loran C (0% chose this)
  • A float-free EPIRB (86% chose this)
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A ship operating in sea area A-1 must have the following provisions for maintenance:
  • Shore maintenance. (0% chose this)
  • Duplication of equipment. (0% chose this)
  • At Sea Maintenance. (0% chose this)
  • Any one of these is sufficient. (100% chose this)
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Describing VHF transmissions as "line of sight" does not mean:
  • Vessel antenna height will not affect the radius of propagation. (0% chose this)
  • The normal transmission range to a coast station is approximately is 10 NM. (0% chose this)
  • Coast station antenna height has no effect on the radius of transmission. (0% chose this)
  • VHF communications are effective only with nearby stations within visual range of the bridge. (100% chose this)
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The determination that the Distress traffic is over is usually made by whom?
  • The vessel in Distress. (0% chose this)
  • The "On Scene Coordinator" and/or the RCC controlling the Distress traffic. (100% chose this)
  • The first Coast Station to receive the DSC Distress alert. (0% chose this)
  • Other vessels after nothing has been heard for some time. (0% chose this)
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Where NAVTEX cannot be feasibly established, what system can be implemented to provide an automated service in coastal waters to receive MSI?
  • AMVER (0% chose this)
  • SafetyNETTM (100% chose this)
  • VHF DSC (0% chose this)
  • ARQ SITOR (NBDP) (0% chose this)
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What is the frequency range for Ultra High Frequency?
  • 3-30 MHz (0% chose this)
  • 300-3,000 MHz (86% chose this)
  • 30-300 MHz (14% chose this)
  • 10-30 MHz (0% chose this)
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What is meant by the term "Seelonce Mayday"?
  • Stations not directly involved with the on-going Distress communications may not transmit on the Distress frequency or channel. (67% chose this)
  • Stations remaining off the air to safeguard proprietary information. (0% chose this)
  • Two three-minute silent periods, at 15 and 45 minutes after the hour, that provide a transmitting "window" for distressed vessels to transmit Distress alerts using J3E. (11% chose this)
  • Communications on a Distress frequency or channel is banned for 24 hours following the cessation of the Distress traffic. (22% chose this)
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DSC is used primarily to:
  • Receive weather warnings, navigational notices and other Maritime Safety Information. (0% chose this)
  • Transmit and receive Distress, Urgency and Safety alerts and routine calls to and from other ships and coast radio stations. (100% chose this)
  • Provide routine communications with the ship owner. (0% chose this)
  • Report ship's position to search-and-rescue authorities via satellite. (0% chose this)
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If a GMDSS Radio Operator initiates a DSC Distress transmission but does not insert a message, what happens?
  • The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator. (0% chose this)
  • The transmission will be made with "default" information provided automatically. (78% chose this)
  • The transmission is not initiated and "ERROR" is indicated on the display readout. (11% chose this)
  • The receiving station will poll the DSC unit of the vessel in Distress to download the necessary information. (11% chose this)
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Which of the following statements is true regarding Distress alerting under GMDSS?
  • The Distress alert must identify the station in Distress and its position and may additionally include information regarding the nature of the Distress. (100% chose this)
  • Ship to shore Distress alerts are used to alert other ships in port of navigational hazards. (0% chose this)
  • Ship-to-ship Distress alerts are used to alert other ships in the vicinity of navigational hazards and bad weather. (0% chose this)
  • The vessel nearest to the emergency must notify the Coast Guard before leaving the vicinity. (0% chose this)
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Which situation is least likely to result in an inspection of the radio installation by foreign governments or administrations?
  • When a ship visits a port for the first time. (100% chose this)
  • When the ship's station license cannot be produced without delay. (0% chose this)
  • When operational irregularities are observed. (0% chose this)
  • When compulsory equipment is found to be inoperative. (0% chose this)
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Under what condition would you not relay a DSC Distress alert?
  • If the mobile unit in Distress is incapable of further Distress alert communications. (0% chose this)
  • If no Coast Station/Mobile Unit acknowledgement of the alert is observed. (0% chose this)
  • A coast station DSC acknowledgment of the original Distress alert was received by your vessel. (88% chose this)
  • No distress traffic has been heard and the DSC alert is unacknowledged via DSC. (13% chose this)
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Which piece of required GMDSS equipment is the primary source of transmitting locating signals?
  • Radio Direction Finder (RDF). (0% chose this)
  • Survival Craft Transceiver. (0% chose this)
  • An EPIRB transmitting on 406 MHz. (100% chose this)
  • A SART transmitting on 406 MHz. (0% chose this)
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What is the frequency range for Very High Frequency?
  • 30-300 MHz (88% chose this)
  • 3-30 MHz (0% chose this)
  • 300-3,000 kHz (13% chose this)
  • 10-30 MHz (0% chose this)
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Which of the following factors does not normally affect the range of VHF transmissions?
  • Salt water ingress into the antenna coaxial cable. (0% chose this)
  • Power level setting. (0% chose this)
  • Vessel antenna height. (0% chose this)
  • Ionospheric refraction. (100% chose this)
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Equipment for radiotelephony use in survival craft stations under GMDSS must have what capability?
  • Operation on 457.525 MHz. (0% chose this)
  • Operation on Ch-16. (88% chose this)
  • Operation on 121.5 MHz. (0% chose this)
  • Operation on Ch-70. (13% chose this)
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Much longer than normal VHF transmissions are typically caused by:
  • Atmospheric ducting or tropospheric propagation. (70% chose this)
  • Changing power from 1W to 25 W. (0% chose this)
  • Skywave reflections from the D layer. (10% chose this)
  • Ionospheric activity in layers F1/F2. (20% chose this)
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What statement is true regarding the additional equipment carriage requirement imposed for the survival craft of vessels over 500 gross tons?
  • Additional carriage of two radio equipped lifeboats aft. (13% chose this)
  • A second radar transponder is required. (88% chose this)
  • Four additional portable VHF radios are required. (0% chose this)
  • The ability to communicate in all modes with any shore station. (0% chose this)
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What precautions should be taken when reviewing received Distress messages?
  • Take steps not to accidentally send a DSC acknowledgement or relay. (100% chose this)
  • Press the "Call" key when finished. (0% chose this)
  • Always save the message. (0% chose this)
  • No precautions are necessary. (0% chose this)
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What is meant by the acronym "ECC" in a DSC message?
  • Error Check Character (88% chose this)
  • Every Cipher Counted (0% chose this)
  • Error Cannot Confirm (13% chose this)
  • Even Characters Counted (0% chose this)
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What determines the spares and maintenance materials requirements for the VHF-DSC equipment under GMDSS?
  • 47 CFR Part 80 (0% chose this)
  • IMO Circular "Equipment Spares". (0% chose this)
  • The GMDSS Maintainer's requirements. (0% chose this)
  • The recommendations of the manufacturer. (100% chose this)
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What is the quickest method of transmitting a DSC Distress alert?
  • Press the "Distress Hot Key". (78% chose this)
  • Make a "MAYDAY" call on Ch-70. (11% chose this)
  • Make a "MAYDAY" call on Ch-16. (11% chose this)
  • Select "Distress" priority from the menu. (0% chose this)
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If your vessel has suffered a casualty severe enough to disable both ship's power and the GMDSS console RSE you should:
  • Activate the EPIRB and/or use the SCT to make a "Mayday" call on Ch-16. (88% chose this)
  • Use UHF Transceivers to contact other vessels. (13% chose this)
  • Activate the EPIRB and/or use the SCT to make a "Mayday" call on Ch-70. (0% chose this)
  • Make a "Mayday" call on Ch-70 and Ch-06 using the Survival Craft Transceiver. (0% chose this)
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A VHF "Distress Hot Key" alert will always include what information?
  • The nature of Distress and vessel position. (0% chose this)
  • The vessel's current position, course and speed from the GPS. (0% chose this)
  • The vessel's programmed MMSI number and code for Distress priority. (100% chose this)
  • The follow-on frequency required for Distress voice communications. (0% chose this)
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Adjusting the volume control has the following results:
  • The higher the volume control is set the greater the sensitivity. (0% chose this)
  • The volume control sets the threshold for receiving signals. (13% chose this)
  • Adjusting the volume control has no effect on the sensitivity. (88% chose this)
  • The lower the volume control is set the greater the sensitivity. (0% chose this)
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What is meant by the acronym "EOS" in a DSC message?
  • Error Of Sequence (8% chose this)
  • End Of Signals (33% chose this)
  • End Of Sequence (58% chose this)
  • Equal Operating Signals (0% chose this)
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How can a SART's detection and effective range be maximized?
  • The SART should be held or mounted as high as possible and in a vertical position. (88% chose this)
  • The SART should be placed in water immediately so it will begin transmitting. (0% chose this)
  • Switch the SART into the "high" power position. (13% chose this)
  • If possible, the SART should be mounted horizontally so that its signal matches that of the searching radar signal. (0% chose this)
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Where can GMDSS regulations pertaining specifically to U.S.-flag vessels be found?
  • These are located in CCIR #476. (10% chose this)
  • These are located in 47 CFR Part 80. (80% chose this)
  • These are located in FCC Part 83. (10% chose this)
  • These are published only by the U.S. Coast Guard. (0% chose this)
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Proper watchkeeping includes the following:
  • Understanding normal operational indicators, setting the DSC scanner frequencies to minimize alarms, maintaining a proper log. (0% chose this)
  • Maintaining a proper GMDSS radio station log, understanding normal operational indicators, responding to and comprehending alarms. (89% chose this)
  • Responding to and comprehending alarms, logging out of Inmarsat-C terminals while at sea, maintaining a proper GMDSS radio station log. (11% chose this)
  • Maintaining a proper GMDSS radio station log, setting the DSC scanner frequencies to minimize alarms, logging out of Inmarsat-C terminals while at sea. (0% chose this)
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What periodic inspection is required in order to remain in compliance with the regulations regarding GMDSS ship radio station inspections?
  • U.S. Coast Guard annual inspection. (0% chose this)
  • FCC inspection every five years. (0% chose this)
  • An inspection at least once every 12 months by the FCC or a holder of a GMDSS Maintainers license. (89% chose this)
  • Periodic inspections not required if on board maintainers perform routine preventive maintenance. (11% chose this)
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What information is not vital in a Distress follow on voice transmission after a DSC Alert?
  • Ship's position, nature of distress and assistance requested. (0% chose this)
  • Ship's Name, Call Sign and MMSI number. (10% chose this)
  • Company emergency contact information. (80% chose this)
  • Physical description of the vessel and number of POB. (10% chose this)
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Which FCC license meets the requirements to perform or supervise the performance of at-sea adjustments, servicing, or maintenance which may affect the proper operation of the GMDSS station?
  • GMDSS Operator's/Maintainer's license or GMDSS Maintainer's license. (89% chose this)
  • General Radiotelephone Operator's License with Shipboard RADAR endorsement. (11% chose this)
  • Marine Radio Operator's Permit or GMDSS Maintainer's license. (0% chose this)
  • GMDSS Radio Operator's license or Marine Radio Operator's Permit. (0% chose this)
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How can reception of certain NAVTEX broadcasts be prevented?
  • The receiver can be programmed to reject certain stations and message categories. (89% chose this)
  • Stations are limited to daytime operation only. (0% chose this)
  • Coordinating reception with published broadcast schedules. (0% chose this)
  • Automatic receiver desensitization during night hours. (11% chose this)
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What equipment utilizes satellite communications?
  • Inmarsat-C (73% chose this)
  • VHF-MF-HF (9% chose this)
  • NAVTEX (9% chose this)
  • SART (9% chose this)
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Which of the following statements concerning MMSI is true?
  • Coast station MMSI numbers have 9 digits starting with 4. (0% chose this)
  • All MMSI numbers are 9 digits and contain an MID. (89% chose this)
  • Ship station MMSI numbers can be 7 digits or 9 digits depending on the Inmarsat terminal. (11% chose this)
  • Group MMSI numbers must begin with 2 zeros. (0% chose this)
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Which statement is NOT true regarding the COSPAS-SARSAT system?
  • EPIRBs are satellite beacons used as alerting/locating devices. (10% chose this)
  • May be used to transmit public correspondence. (80% chose this)
  • Locates Distress beacons transmitting on 406 MHz. (0% chose this)
  • Doppler shift is used to locate the beacons. (10% chose this)
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When the GMDSS Radio Operator on watch hears "Securite" spoken three times, he can expect to receive the following information:
  • A message concerning the Safety of navigation. (100% chose this)
  • The safety of vessel or person is in jeopardy. (0% chose this)
  • A vessel is in need of immediate assistance. (0% chose this)
  • A Coast Station sending an important traffic list. (0% chose this)
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How can rescue personnel detect that a SART is transmitting in the immediate vicinity?
  • The DSC unit will react to the SART's signal and respond with the two-tone auto alarm. (0% chose this)
  • The SART can provide an approximate location to within a two nautical mile radius, per IMO standards. (18% chose this)
  • The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART. (0% chose this)
  • The SART's dots on the PPI will become arcs and then eventually become concentric circles. (82% chose this)
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While underway, how frequently is the DSC controller required to be tested?
  • Once a month (0% chose this)
  • Twice a week (0% chose this)
  • Once a week (0% chose this)
  • Once a day (100% chose this)
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Why would you want to access your MMSI number?
  • To call another vessel. (0% chose this)
  • To determine that the number is correct. (82% chose this)
  • To change it. (9% chose this)
  • There is no reason to access your MMSI number. (9% chose this)
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What equipment is programmed to initiate transmission of Distress alerts and calls to individual stations?
  • NAVTEX (0% chose this)
  • GPS (9% chose this)
  • DSC Controller (82% chose this)
  • DSC Scanning Watch Receiver (9% chose this)
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Why should you always follow on with a voice transmission after sending a DSC Distress alert?
  • A voice follow on transmission is always necessary in a genuine Distress. (0% chose this)
  • To provide more information than is contained in the DSC message. (18% chose this)
  • To confirm for coast stations and other mariners that the Distress is genuine. (0% chose this)
  • All of these answers are correct. (82% chose this)
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