GBL NSW Navigation Lights and Signals

Question 1

What colour is the port-side navigation light on a vessel?

Accepted Answer

Red

Answer

Green

Answer

White

Answer

Yellow

Question 2

What colour is the starboard-side navigation light on a vessel?

Accepted Answer

Green

Answer

Red

Answer

White

Answer

Yellow

Question 3

When are navigation lights required to be displayed on a vessel?

Accepted Answer

Between sunset and sunrise and in restricted visibility conditions

Answer

Only during fog or heavy rain

Answer

Only when more than 2 nautical miles from shore

Answer

Only when travelling faster than 10 knots

Question 4

A vessel at anchor in an area used by other vessels must display what light at night?

Accepted Answer

An all-round white anchor light

Answer

Red and green sidelights

Answer

A flashing yellow light

Answer

A masthead light only

Question 5

What arc of visibility does the white masthead light on a power-driven vessel cover?

Accepted Answer

225 degrees

Answer

360 degrees

Answer

135 degrees

Answer

112.5 degrees

Question 6

At night you see only a red light approaching from ahead. What does this most likely indicate?

Accepted Answer

You are seeing the vessel's port side and it may be on a crossing or head-on course

Answer

The vessel is anchored

Answer

The vessel is aground and in distress

Answer

The vessel is a fishing boat with nets deployed

Question 7

What arc of visibility does the white stern light cover?

Accepted Answer

135 degrees

Answer

225 degrees

Answer

360 degrees

Answer

112.5 degrees