AB Rules of the Road & Maritime Regulations 5

Question 1

Under the Inland Rules, the signal for a vessel in a bend wishing to indicate she is leaving a dock or berth on her port side is:

Accepted Answer

Two short blasts

Answer

Under Inland Rule 34(g), a vessel leaving a dock or berth to port sounds two short blasts as a warning signal.

Question 2

The 'danger signal' under COLREGS is sounded when a vessel is in doubt about another's intentions. What does it consist of?

Accepted Answer

Five or more short and rapid blasts

Answer

Rule 34(d) prescribes five or more short and rapid blasts on the whistle as the danger signal indicating doubt about another vessel's intentions.

Question 3

A sailing vessel underway at night, if less than 20 meters, may show what simplified light in lieu of sidelights and sternlight?

Accepted Answer

A tricolor lantern at the masthead

Answer

Rule 25(b) permits a sailing vessel under 20 meters to combine sidelights and sternlight in a tricolor lantern at or near the top of the mast.

Question 4

Which of the following vessels must give way to a vessel engaged in fishing?

Accepted Answer

A power-driven vessel underway

Answer

Rule 18 places a power-driven vessel underway below fishing, NUC, and RAM vessels in the give-way hierarchy, so it must keep clear of a fishing vessel.

Question 5

What is the purpose of a Traffic Separation Scheme (TSS)?

Accepted Answer

To organize opposing traffic flows and reduce collision risk

Answer

A TSS separates opposing streams of vessel traffic using separation zones or lines to reduce the risk of head-on collisions in busy waterways.

(AB) Able Seaman Exam Practice Test

(AB) Able Seaman Exam Practice Test

AB Rules of the Road & Maritime Regulations 5