Navigation Rules and Regulations Flashcards

When two power-driven vessels are meeting head-on, both vessels are required to do what?

Answer: Alter course to starboard

Under COLREGS Rule 14, when two power-driven vessels meet head-on, each shall alter course to starboard so they pass port-to-port.

What does a single prolonged blast of a vessel's whistle indicate in restricted visibility?

Answer: A vessel underway and making way

Under COLREGS Rule 35, a power-driven vessel underway and making way shall sound one prolonged blast at intervals of not more than 2 minutes.

Under the Inland Rules, a white light visible all around the horizon is required for which vessel?

Answer: A vessel less than 7 meters at anchor

Under Inland Rule 30, a vessel less than 7 meters at anchor may show an all-round white light instead of anchor lights.

What is the minimum sound signal equipment required for a vessel 12 to 20 meters in length?

Answer: A whistle and a bell

COLREGS Rule 33 requires vessels 12 meters or more in length to carry a whistle and a bell.

Which light is required on the stern of a power-driven vessel underway?

Answer: A white sternlight

COLREGS Rule 23 requires a power-driven vessel underway to exhibit a white sternlight showing an arc of 135 degrees.

When shall a vessel in a narrow channel keep to the starboard side?

Answer: At all times when safe and practicable

COLREGS Rule 9 requires every vessel proceeding along a narrow channel to keep as near to the outer limit on its starboard side as is safe and practicable.