PCOC Navigation Lights and Sound Signals 3

Question 1

A sailing vessel proceeding under sail alone at night must display which lights?

Accepted Answer

Sidelights and a stern light, but no masthead light

Answer

Only an all-round white light

Answer

Masthead light, sidelights, and stern light

Answer

Sidelights only

Question 2

What arc of visibility must the stern light cover?

Accepted Answer

135 degrees

Answer

112.5 degrees

Answer

225 degrees

Answer

360 degrees

Question 3

An all-round white light displayed by a vessel at anchor indicates what?

Accepted Answer

The vessel is stationary and anchored, warning others of its position

Answer

The vessel is underway but moving very slowly

Answer

The vessel is a fishing vessel with gear deployed

Answer

The vessel is in distress and needs assistance

Question 4

A vessel propelled solely by oars at night must, at minimum, have what lighting available?

Accepted Answer

An electric torch or lighted lantern showing a white light ready to use

Answer

Red and green sidelights mounted on the bow

Answer

A masthead light visible for 2 nautical miles

Answer

No lighting is required for human-powered craft

Question 5

What color is the masthead light displayed by a power-driven vessel underway?

Accepted Answer

White

Answer

Red

Answer

Green

Answer

Yellow

Question 6

What is the minimum visibility range required for sidelights on a vessel between 12 and 50 meters in length?

Accepted Answer

2 nautical miles

Answer

1 nautical mile

Answer

3 nautical miles

Answer

5 nautical miles

Question 7

In restricted visibility, what fog signal does a power-driven vessel underway but stopped and making no way through the water sound?

Accepted Answer

Two prolonged blasts every 2 minutes

Answer

One prolonged blast every 2 minutes

Answer

One prolonged and two short blasts every 2 minutes

Answer

A bell rung rapidly every minute