Maritime Rules of the Road

What does COLREGS stand for?

• International Regulations for Preventing Collisions at Sea

• International Guidelines for Preventing Collisions in the Air

• International Regulations for Avoiding Collisions on Land

• International Rules for Avoiding Collisions at Sea

What are the three types of navigation lights used by vessels?

• blue, yellow, and orange

• red, green, and white

• black, purple, and gray

• pink, brown, and gold

What is the sound signal for a power-driven vessel underway?

• Three prolonged blasts followed by one short blast

• One prolonged blast followed by three short blasts

• Two prolonged blasts followed by one short blast

• One prolonged blast followed by two short blasts

According to the COLREGS, which vessel has the right of way in a crossing situation?

• Vessel on the port side

• Vessel on the starboard side

• Vessel with the larger size

• Vessel with the slower speed

What is the rule for vessels meeting head-on?

• Alter course to starboard and pass on the port side.

• Continue on the same course and pass on the starboard side.

• Alter course to port and pass on the starboard side.

• Alter course to starboard and pass on the starboard side.

What is the rule for vessels overtaking another vessel?

• Stay close and pass on the port side.

• Keep a safe distance and pass on the starboard side.

• Speed up and pass on the starboard side.

• Keep a safe distance and pass on the port side.

What is the rule for vessels in a narrow channel?

• Switch sides every few minutes.

• Keep to the port side.

• Stay in the middle of the channel.

• Keep to the starboard side.

What is the sound signal for a vessel restricted in its ability to maneuver?

• One prolonged blast followed by two short blasts

• One prolonged blast followed by three short blasts

• Three short blasts

• One short blast followed by two prolonged blasts

What is the sound signal for a vessel at anchor?

• continuous long blast

• one short blast

• three short blasts

• two short blasts

What is the sound signal for a vessel aground?

• Silent operation of all sound signals.

• Continuous sounding of the bell for about 5 seconds at intervals of not more than 1 minute.

• Flashing of the navigation lights at regular intervals.

• Continuous sounding of the horn for about 5 seconds at intervals of not more than 1 minute.