AB - Able Seaman Navigation Rules of the Road Questions and Answers

Question 1

According to Rule 5 of the Navigation Rules, which of the following is a component of maintaining a proper look-out?

Accepted Answer

Utilizing sight, hearing, and all available means appropriate to the conditions.

Answer

Using only visual observation from the bridge.

Answer

Relying solely on radar to detect other vessels.

Answer

Assigning the look-out duties to an officer who is also handling communication.

Question 2

Under the International Rules, what is the whistle signal for a power-driven vessel altering its course to port when in sight of another vessel?

Accepted Answer

Two short blasts.

Answer

One prolonged blast.

Answer

One short blast.

Answer

Three short blasts.

Question 3

You are on a power-driven vessel and see a sailing vessel on your starboard bow on a collision course. According to the hierarchy of responsibilities between vessels (Rule 18), which vessel is the stand-on vessel?

Accepted Answer

The sailing vessel.

Answer

The power-driven vessel because it is more maneuverable.

Answer

Whichever vessel is larger.

Answer

Both vessels are give-way and must take action.

Question 4

A power-driven vessel is towing another vessel astern. The length of the tow, from the stern of the towing vessel to the after end of the tow, is greater than 200 meters. What day shape must the towing vessel display?

Accepted Answer

A diamond shape.

Answer

A black ball.

Answer

Two cones, apexes together.

Answer

A cylinder.

Question 5

While navigating in a narrow channel under Inland Rules, you intend to overtake another vessel on its starboard side. What is the correct whistle signal to indicate your intention?

Accepted Answer

One short blast.

Answer

Two short blasts.

Answer

Two prolonged blasts followed by one short blast.

Answer

One prolonged blast.

Question 6

Which of the following vessels is considered 'restricted in her ability to maneuver' under the Rules?

Accepted Answer

A vessel engaged in dredging operations.

Answer

A vessel with a broken-down engine.

Answer

A deep-draft vessel that can only navigate within a narrow channel.

Answer

A fishing vessel with its nets out.