Rules of the Road & Maritime Regulations Flashcards

Under the COLREGS, what is the minimum sound signal a vessel underway in restricted visibility must make every two minutes?

Answer: One prolonged blast

Rule 35 requires a power-driven vessel making way in restricted visibility to sound one prolonged blast at intervals of not more than two minutes.

Which vessel is considered 'restricted in her ability to maneuver' under the COLREGS?

Answer: A vessel laying an underwater cable

A vessel engaged in laying or picking up a navigational mark, cable, or pipeline is restricted in her ability to maneuver under Rule 3(g).

A vessel displaying two black balls in a vertical line is indicating what condition?

Answer: Vessel not under command

Rule 27 specifies that a vessel not under command displays two black balls in a vertical line where they can best be seen.

When two power-driven vessels are in a crossing situation, which vessel must give way?

Answer: The vessel on the port side of the other

Rule 15 states the vessel that has the other on her own starboard side shall keep out of the way; conversely, the vessel on the port side of the other gives way.

What action must the stand-on vessel take when it becomes apparent that the give-way vessel is not taking appropriate action?

Answer: Take action to avoid collision by her maneuver alone

Rule 17(b) states that when a collision cannot be avoided by the give-way vessel alone, the stand-on vessel shall take action to avoid collision.

At night, a vessel engaged in fishing and making way shows which lights in addition to its sidelights?

Answer: Red over white all-around lights

Rule 26 requires a vessel engaged in fishing to show an all-around red light over an all-around white light plus sidelights when making way.

Which COLREGS rule addresses 'Safe Speed'?

Answer: Rule 6

Rule 6 requires every vessel to proceed at a safe speed at all times so that she can take proper and effective action to avoid collision.