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Boating License Test Navigation Lights and Sound Signals Flashcards

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

Read the first 6 Boating License Test Navigation Lights and Sound Signals flashcards as text
  1. What sound signal does a vessel in restricted visibility (fog) make if it is a power-driven vessel underway?

    Answer: One prolonged blast every 2 minutes

    A power-driven vessel underway in restricted visibility sounds one prolonged blast (4–6 seconds) every 2 minutes.

  2. What lights are required for a vessel under sail at night?

    Answer: Red and green sidelights and a white stern light

    Sailing vessels underway must display red and green sidelights and a white stern light, or a tricolor masthead light.

  3. What does it mean when you hear a vessel sound two prolonged blasts followed by one short blast in restricted visibility?

    Answer: The vessel is a sailing vessel underway

    Two prolonged blasts followed by one short blast is the fog signal for a sailing vessel underway.

  4. A vessel ringing a bell rapidly for 5 seconds in fog or restricted visibility is signaling what?

    Answer: The vessel is anchored and warning of its position

    An anchored vessel rings its bell rapidly for 5 seconds every minute to warn nearby vessels of its position in restricted visibility.

  5. What does a masthead light on a power-driven vessel look like and what arc does it cover?

    Answer: A white light covering 225 degrees from ahead to each side

    The masthead light is a white light covering 225 degrees from dead ahead to 22.5 degrees abaft the beam on each side.

  6. What sound signal is used when a power vessel backs away from a dock?

    Answer: Three short blasts

    Three short blasts indicate that the vessel's engine is operating in reverse.