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Subelement A
Rules & Regulations
Section 5
Log Entries
Radiotelephone stations required to keep logs of their transmissions must include:
  • Station, date and time.
  • Name of operator on duty.
  • Station call signs with which communication took place.
  • Correct Answer
    All of these.

Title 47 Chapter I Subchapter D Part 80 Subpart I Station Documents

§ 80.407 Operator authorization.

47 CFR 80.407(b)(1-2) Posting. When a Commission-authorized operator is required, the original authorization of each operator must be posted at the principal control point of the station.

(1) A voluntary station;

(2) Any class of ship station when the operator is on board solely to service the radio equipment

47 CFR 80.409(d)(1-5) The date and time of each occurrence or incident required to be entered in the log must be shown opposite the entry and the time must be expressed in Coordinated Universal Time (UTC).

(2) “ON WATCH” must be entered by the operator beginning a watch, followed by the operator's signature for stations maintaining written logs.

“OFF WATCH” must be entered by the operator being relieved or terminating a watch, followed by the operator's signature for stations maintaining written logs. All log entries must be completed by the end of each watch.

(3) During the watch, all calls and replies to and from the station must be entered to include the time, frequencies, and call letters of the station communicated with or heard. Also, any messages exchanged must be entered to include the time, frequency, and call letters of the station(s) communicated with or heard.

(4) All distress calls, automatic-alarm signals, urgency and safety signals made or intercepted, the complete text, if possible, or distress messages and distress communications, and any incidents or occurrences which may appear to be of importance to safety of life or property at sea, must be entered, together with the time of such observation or occurrence and the position of the ship or other mobile unit in need of assistance.

(5) The position of the ship at least once per day.

Code of Federal Regulations Subpart I Station Documents

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Which of the following is true?
  • Battery test must be logged daily.
  • Correct Answer
    EPIRB tests are normally logged monthly.
  • Radiotelephone tests are normally logged weekly.
  • None of the above.

EPIRB Emergency Position Indicating Radio Beacon

For ships that are required to have EPIRB, the tests performed must be logged in. Normally, the practice is to record the tests in the GMDSS Station logs.

The compulsory vessels have to perform and record results of GMDSS tests, as well.

47 CFR 80.409 Station Logs requires log keeping.

Federal Regulations Log Keeping

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Where should the GMDSS radio log be kept on board ship?
  • Captain’s office.
  • Sea cabin.
  • Correct Answer
    At the GMDSS operating position.
  • Anywhere on board the vessel.

47 CFR 80.409(b)(2)

Logs containing entries required by paragraph (c) of this section must be kept either at the principal control point of the station or electronically filed at the station licensee's primary office or available to the Commission via secured access to the licensee's Internet web site.

Logs containing entries required by paragraphs (e) and (f) of this section must be kept at the principal radiotelephone operating location while the vessel is being navigated.

All entries in their original form must be retained on board the vessel for at least 30 days from the date of entry.

Additionally, logs required by paragraph (f) of this section must be retained on board the vessel for a period of 2 years from the date of the last inspection of the ship radio station.

Code of Federal Regulations Log keeping

FCC GMDSS Information

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Which of the following statements is true?
  • Correct Answer
    Key letters or abbreviations may be used in GMDSS Radio Logbooks if their meaning is noted in the log.
  • Key letters or abbreviations may not be used in GMDSS Radio Logbooks under any circumstances.
  • All Urgency communications must be entered in the logbook.
  • None of the above.

47 CFR 80.409(a) Station Logs

General requirements. Logs must be established and properly maintained as follows:

(1) The log must be kept in an orderly manner. The log may be kept electronically or in writing. The required information for the particular class or category of station must be readily available. Key letters or abbreviations may be used if their proper meaning or explanation is contained elsewhere in the same log.

Code of Federal Regulations Station Logs

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Which of the following logkeeping statements is true?
  • Entries relating to pre-voyage, pre-departure and daily tests are required.
  • Correct Answer
    Both a) and c)
  • A summary of all required Distress communications heard and Urgency communications affecting the station’s own ship. Also, all Safety communications (other than VHF) affecting the station’s own ship must be logged.
  • Routine daily MF-HF and Inmarsat-C transmissions do not have to be logged.

(A). Entries relating to pre-voyage, pre-departure and daily tests are required.

(C). A summary of all required Distress communications heard and Urgency communications affecting the station's own ship.

Also, all Safety communications (other than VHF) affecting the station's own ship must be logged.

For detailed listing, please see

  • 47 CFR 80.409(d) Ship radiotelegraph logs.
  • 47 CFR 80.409(e) Ship radiotelephone logs.

as listed on Code of Federal Regulations Log Requirements

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Which of the following statements concerning log entries is false?
  • Correct Answer
    All Safety communications received on VHF must be logged.
  • All required equipment tests must be logged.
  • The radio operator must log on and off watch.
  • The vessels daily position must be entered in the log.

47 CFR 80.409 Station Logs.

(e) Ship radiotelephone logs. Logs of ship stations which are compulsorily equipped for radiotelephony must contain the following applicable log entries and the time of their occurrence:

(1) A summary of all distress and urgency communications affecting the station's own ship, all distress alerts relayed by the station's own ship, and all distress call acknowledgements and other communications received from search and rescue authorities.

(2) A summary of safety communications on other than VHF channels affecting the station's own ship.

(3) The time of any inadvertent transmissions of distress, urgency and safety signals including the time and method of cancellation.

For more info, please see § 80.409 Station logs

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