GBL NSW Navigation Lights and Signals 1

Question 1

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

Accepted Answer

Red

Answer

The port (left) side navigation light is always red, helping other mariners determine the direction a vessel is travelling.

Question 2

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

Accepted Answer

Green

Answer

The starboard (right) side navigation light is green, the opposite of the red port light.

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

Navigation lights must be displayed between sunset and sunrise and whenever visibility is restricted, regardless of speed or distance from shore.

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

A vessel at anchor must display an all-round white light visible from 360 degrees to alert other vessels of its stationary position.

Question 5

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

Accepted Answer

225 degrees

Answer

The masthead light covers a 225-degree arc, showing from dead ahead to 22.5 degrees abaft the beam on each side.

NSW Boat Licence Practice Test