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

A sailing vessel under sail displays sidelights and a stern light; the masthead light is reserved for power-driven vessels.

Question 2

What arc of visibility must the stern light cover?

Accepted Answer

135 degrees

Answer

The stern light must cover an arc of 135 degrees, centered on the vessel's stern (67.5 degrees on each side of dead astern).

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

An all-round white anchor light warns approaching vessels of a stationary vessel anchored in their path.

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

A vessel under oars must at minimum have an electric torch or lighted lantern showing a white light ready to exhibit in time to prevent collision.

Question 5

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

Accepted Answer

White

Answer

The masthead light is white and must be visible over an arc of 225 degrees, from ahead to just past the beam on both sides.

(PCOC) Pleasure Craft Operator Card Practice Test