Maritime and Marine Navigation Rules (COLREGS) 3

Question 1

What does a vessel constrained by her draft display in addition to normal running lights?

Accepted Answer

Three all-round red lights in a vertical line

Answer

Two all-round red lights in a vertical line

Answer

One all-round red light

Answer

Red-white-red all-round lights

Question 2

Under COLREGS, what is the responsibility of the stand-on vessel in a crossing situation?

Accepted Answer

Maintain course and speed, but take action to avoid collision if necessary

Answer

Always maintain course and speed regardless of circumstances

Answer

Immediately alter course to assist the give-way vessel

Answer

Slow down and wait for the give-way vessel to pass

Question 3

What is the required arc for a stern light under COLREGS?

Accepted Answer

135 degrees centered on dead astern

Answer

112.5 degrees centered on dead astern

Answer

180 degrees centered on dead astern

Answer

90 degrees centered on dead astern

Question 4

A sailing vessel underway at night shall exhibit which lights?

Accepted Answer

Sidelights and a stern light

Answer

Sidelights, a stern light, and a masthead light

Answer

Only an all-round white light

Answer

Sidelights and a masthead light

Question 5

Under COLREGS, which vessel has right-of-way over a sailing vessel?

Accepted Answer

A vessel not under command

Answer

A power-driven vessel

Answer

A vessel at anchor

Answer

Any vessel larger in tonnage

Question 6

What signal is used by a power-driven vessel leaving a dock under Inland Rules?

Accepted Answer

One or two short blasts depending on direction of turn

Answer

Three short blasts

Answer

One prolonged blast

Answer

No signal is required