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Marine Communications and VHF Radio Flashcards

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

Read the first 7 Marine Communications and VHF Radio flashcards as text
  1. What does the safety signal 'SECURITE' (pronounced 'say-cure-ee-tay') indicate?

    Answer: An announcement of an important navigational or meteorological warning

    SECURITE is used to prefix announcements of important navigational or meteorological warnings, such as hazards to navigation or severe weather.

  2. On which VHF channel do boaters typically communicate with bridge tenders to request a bridge opening?

    Answer: Channel 13

    VHF Channel 13 is the designated bridge-to-bridge navigation channel used to communicate with bridge tenders, lock operators, and nearby vessels.

  3. How far in advance should a vessel send a MAYDAY relay if it receives a distress signal but does not hear a Coast Guard response?

    Answer: Immediately after confirming no response for at least three minutes

    If a vessel receives a distress message and the Coast Guard does not acknowledge within about three minutes, any vessel that can help must immediately relay the MAYDAY on Channel 16.

  4. What is the correct procedure when you want to cancel a DSC distress alert sent accidentally?

    Answer: Immediately broadcast a voice message on Channel 16 stating the alert was sent in error and contact the Coast Guard

    An accidental DSC alert must be immediately cancelled by transmitting a voice message on Channel 16 stating the alert was sent in error and contacting the Coast Guard to confirm no assistance is needed.

  5. Which document is required to legally operate a marine VHF radio in U.S. waters as a U.S. citizen?

    Answer: No license is required for recreational boaters in U.S. waters

    U.S. citizens operating VHF radios on recreational vessels in U.S. waters do not require an FCC license, though a Ship Station License is required when traveling to foreign ports.

  6. What is the purpose of conducting a radio check before departure?

    Answer: To verify that the radio transmits and receives clearly so communications will function in an emergency

    A radio check confirms your VHF transmits and receives properly, ensuring you can communicate effectively if an emergency arises during your voyage.

  7. Which VHF channel is designated as the recreational boater-to-boater calling and hailing channel in U.S. waters as an alternative to Channel 16?

    Answer: Channel 9

    Channel 9 is designated by the FCC as the recreational boater calling channel in U.S. waters, providing an alternative to Channel 16 for hailing other recreational vessels.