AB Navigation Rules of the Road Questions and Answers

Question 1

You are on a power-driven vessel underway at night and observe the lights of another vessel off your port bow.
You see a green sidelight and a white masthead light.
The aspect of these lights does not change over time.
Which of the following is TRUE?

Accepted Answer

The other vessel is the stand-on vessel, and you must give way.

Answer

You are the stand-on vessel and should maintain course and speed.

Answer

You are in a head-on situation and should alter course to starboard.

Answer

The other vessel is being overtaken and should maintain its course and speed.

Question 2

Under the Navigation Rules, which of the following vessels has the highest priority and right-of-way over all other vessels?

Accepted Answer

A vessel not under command

Answer

A vessel constrained by her draft

Answer

A sailing vessel underway

Answer

A vessel engaged in fishing

Question 3

You are underway in fog and hear one prolonged blast followed by two short blasts from another vessel. What does this signal indicate?

Accepted Answer

A vessel restricted in her ability to maneuver.

Answer

A vessel at anchor.

Answer

A power-driven vessel underway, making way.

Answer

A vessel being towed.

Question 4

A 25-meter power-driven vessel, when underway at night, must exhibit which of the following lights as a minimum?

Accepted Answer

A masthead light forward, sidelights, and a sternlight.

Answer

One all-round white light and sidelights.

Answer

A masthead light forward, a second masthead light aft and higher, sidelights, and a sternlight.

Answer

Sidelights and a sternlight only.

Question 5

You are on Vessel A and are overtaking Vessel B in a narrow channel. You intend to pass on Vessel B's starboard side. Under the Inland Rules, what is the correct whistle signal to propose this action?

Accepted Answer

One short blast.

Answer

Two short blasts.

Answer

One prolonged blast.

Answer

Five or more short and rapid blasts.

Question 6

Which of the following day shapes should a vessel engaged in fishing, but not trawling, exhibit?

Accepted Answer

Two cones with their apexes together in a vertical line.

Answer

One black ball.

Answer

A cylinder.

Answer

A diamond shape.

You are on a power-driven vessel underway at night and observe the lights of another vessel off your port bow.You see a green sidelight and a white masthead light.The aspect of these lights does not change over time.Which of the following is TRUE?

You are on a power-driven vessel underway at night and observe the lights of another vessel off your port bow.
You see a green sidelight and a white masthead light.
The aspect of these lights does not change over time.
Which of the following is TRUE?