Boating License Test Boating License Test Navigation Lights and Sound Signals 2

Question 1

What does one short blast on a horn mean in inland waters?

Accepted Answer

I intend to leave you on my starboard (right) side

Answer

In US inland rules, one short blast means the vessel is directing its course to starboard (right).

Question 2

What does five or more short blasts on a horn indicate?

Accepted Answer

A danger or distress signal — the other vessel's intentions are unclear

Answer

Five or more short rapid blasts is the danger signal, used when the operator is in doubt about the intentions of another vessel.

Question 3

What navigation lights must a vessel under 23 feet (7 meters) display while underway at night?

Accepted Answer

Combined red/green bow light and a white stern light, or an all-around white light

Answer

Vessels under 7 meters may display sidelights and a stern light or, if not practical, an all-around white light.

Question 4

A vessel displaying a red light over a white light indicates what type of vessel?

Accepted Answer

A vessel engaged in fishing

Answer

A vessel engaged in fishing (other than trolling) displays red over white lights to indicate its limited maneuverability.

Question 5

What does a flashing blue light on a vessel indicate?

Accepted Answer

The vessel is a law enforcement vessel

Answer

Flashing blue lights are used by law enforcement vessels to signal other boaters to stop or yield.

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