Boating Certification Test Navigation Rules 5

Question 1

What is the arc of visibility for a vessel's green starboard sidelight?

Accepted Answer

112.5 degrees from right ahead to 22.5 degrees abaft the starboard beam

Answer

Each sidelight covers 112.5 degrees — from dead ahead to 22.5 degrees abaft the respective beam.

Question 2

A vessel aground at night, in addition to anchor lights, must show what additional lights?

Accepted Answer

Two red lights in a vertical line

Answer

A vessel aground displays anchor lights plus two all-round red lights in a vertical line.

Question 3

What is the rule for vessels navigating in a Traffic Separation Scheme?

Accepted Answer

Vessels shall join or leave a traffic lane at the termination of the lane or at as small an angle as practicable

Answer

Vessels should enter or exit traffic lanes at the ends or at a shallow angle to minimize disruption to lane traffic.

Question 4

Which fog signal is made by a vessel at anchor?

Accepted Answer

Ringing a bell rapidly for about 5 seconds every minute

Answer

An anchored vessel rings its bell rapidly for about 5 seconds at intervals of not more than 1 minute.

Question 5

Under the Inland Navigation Rules, a power-driven vessel leaving a dock or berth must sound what signal?

Accepted Answer

One prolonged blast

Answer

A vessel leaving a dock or berth under Inland Rules sounds one prolonged blast to warn nearby traffic.

Boating Certification Test Practice Test