AB Rules of the Road & Maritime Regulations 3

Question 1

What does a vessel display when she is constrained by her draft?

Accepted Answer

Three red lights in a vertical line

Answer

Rule 28 states a vessel constrained by her draft may exhibit three all-around red lights in a vertical line in addition to her normal running lights.

Question 2

In a narrow channel, a vessel proceeding along the channel must keep to which side?

Accepted Answer

The starboard side of the channel

Answer

Rule 9 requires a vessel proceeding along the course of a narrow channel to keep as near to the outer limit of the channel on her starboard side as is safe and practicable.

Question 3

What signal must a vessel sound before making a bend where other vessels may be obscured?

Accepted Answer

One prolonged blast

Answer

Rule 9(f) requires a vessel nearing a bend where another vessel may be obscured to sound one prolonged blast as a warning signal.

Question 4

A white light visible all around at a range of two miles is displayed by which type of vessel?

Accepted Answer

A vessel under 12 meters at anchor

Answer

Rule 30 permits a vessel under 12 meters at anchor to show a single all-around white light instead of the forward and after anchor lights.

Question 5

Which vessel has right of way over all others in a traffic separation scheme?

Accepted Answer

A vessel not under command

Answer

Under Rule 18, a vessel not under command is exempt from the give-way hierarchy and other vessels must keep clear of her.

(AB) Able Seaman Exam Practice Test

(AB) Able Seaman Exam Practice Test

AB Rules of the Road & Maritime Regulations 3