COLREGs Quiz

Which rule defines "vessel not under command"?

• Rule 18

• Rule 25

• Rule 3

• Rule 27

A vessel proceeding along the course of a narrow channel or fairway shall keep:

• To the middle of the channel

• To the starboard side of the channel

• To the port side of the channel

• To whichever side is convenient

What lights must a sailing vessel under sail alone exhibit at night?

• Masthead lights, sidelights, and sternlight

• Sidelights and sternlight

• All-round white light

• Two all-round red lights

A vessel restricted in her ability to maneuver shall exhibit:

• Two all-round red lights in a vertical line

• Three all-round lights in a vertical line, the highest and lowest being red and the middle being white

• Two all-round white lights in a vertical line

• Three all-round green lights in a vertical line

In a crossing situation, which vessel is the give-way vessel?

• The vessel which has the other on her own starboard side

• The vessel which has the other on her own port side1

• The faster vessel

• The larger vessel

What sound signal is made by a vessel intending to overtake another vessel on her starboard side?

• One short blast

• Two short blasts

• Three short blasts

• One prolonged blast

Which rule deals with the responsibility between vessels?

• Rule 2

• Rule 5

• Rule 14

• Rule 19

What is the meaning of "restricted visibility"?

• Any condition in which visibility is restricted by fog, mist, falling snow, heavy rainstorms, sandstorms or any other similar causes

• Only fog and mist

• Only heavy rain

• Only sandstorms

A power-driven vessel underway shall exhibit:

• Sidelights and a sternlight

• Masthead lights, sidelights, and a sternlight

• All-round white light

• Two all-round red lights

What is the meaning of "underway"?

• Not at anchor, or made fast to the shore, or aground

• Moving through the water

• Stopped but not anchored

• All of the above