COLREGs Quiz

Which lights should a vessel less than 12 meters in length exhibit when underway during the day?

• A. Masthead light only

• B. Sidelights and sternlight

• C. All-round white light

• D. No lights are required

According to COLREGs, which vessel must give way when two power-driven vessels are crossing each other's paths?

• A. The vessel on the starboard side

• B. The vessel on the port side

• C. The faster vessel

• D. The vessel on the stand-on course

When does Rule 34 of COLREGs require a vessel to display an all-round white light?

• A. When underway

• B. When at anchor

• C. When making way through the water

• D. Only during daylight hours

According to COLREGs, what sound signal should a vessel give when leaving a dock in reduced visibility?

• A. One short blast

• B. One prolonged blast

• C. Two prolonged blasts

• D. No sound signal is required

Under COLREGs, which vessel must keep out of the way of others?

• A. A vessel constrained by her draft

• B. A vessel engaged in fishing

• C. A vessel not under command

• D. A sailing vessel

According to Rule 5 of COLREGs, what should every vessel do to avoid a collision?

• A. Sound the danger signal

• B. Alter course to port

• C. Maintain a safe speed

• D. Turn off navigation lights

What does COLREGs Rule 9 state regarding vessels navigating in narrow channels?

• A. Vessels should sound one short blast

• B. Vessels should navigate as close to the center as possible

• C. Vessels should keep clear of those not using the channel

• D. Vessels should avoid passing other vessels

Which vessel has the right of way according to COLREGs Rule 15 in a crossing situation?

• A. The vessel on the starboard side

• B. The vessel on the port side

• C. The vessel on the stand-on course

• D. The vessel with the greater maneuverability

What action should a vessel take when overtaking another vessel in accordance with COLREGs Rule 13?

• A. Alter course to starboard

• B. Pass at a safe distance and sound two short blasts

• C. Maintain its course and speed

• D. Slow down and allow the overtaken vessel to pass

When should a vessel display navigation lights according to COLREGs Rule 20?

• A. Only during periods of restricted visibility

• B. During the day and night

• C. From sunset to sunrise and during periods of restricted visibility

• D. Only during the night