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Marine Radio Communications and VHF Operations Flashcards

7 cards from real OUPV practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Marine Radio Communications and VHF Operations flashcards as text

  1. In the NATO phonetic alphabet used in marine radio communications, what word represents the letter 'M'?

    Answer: Mike

    The NATO phonetic alphabet, which is the international standard for marine radio communications, uses 'Mike' for the letter M.

  2. Which of the following is NOT required information in a MAYDAY distress call?

    Answer: Vessel's insurance policy number

    Required MAYDAY information includes vessel identity, position, nature of distress, and persons aboard — insurance information is irrelevant to rescue operations.

  3. On what frequency do 406 MHz EPIRBs transmit for detection by COSPAS-SARSAT satellites?

    Answer: 406 MHz

    Modern Category I and II EPIRBs transmit on 406 MHz, which is detected by COSPAS-SARSAT satellites that relay distress alerts with position data to rescue authorities.

  4. Upon receiving a MAYDAY distress call on VHF Channel 16, a vessel master is required to:

    Answer: Acknowledge the call and render assistance if it can be done safely

    Maritime law obligates all vessel operators to acknowledge distress calls and render assistance when it can be done without serious danger to their own vessel or crew.

  5. What does the word 'ROGER' indicate in a marine radio exchange?

    Answer: You have received and understood the last transmission

    'Roger' confirms receipt and understanding of the previous transmission — it does not imply agreement or commitment to any action.

  6. VHF Channel 6 is designated for which type of marine communications?

    Answer: Intership safety communications

    VHF Channel 6 is designated for intership safety communications, used primarily for coordinating vessel movements and safety matters between ships.

  7. Which communications must be recorded in a vessel's radio log according to FCC regulations?

    Answer: All distress, urgency, and safety communications

    FCC regulations require all distress, urgency, and safety communications to be logged, including the time, channel used, and nature of each communication.