GBL NSW Navigation Lights and Signals 2

Question 1

What lights must a sailing vessel display when underway under sail at night?

Accepted Answer

Sidelights and a stern light only, with no masthead light

Answer

Masthead light, sidelights, and stern light — same as a power vessel

Answer

An all-round white light only

Answer

Sidelights only — no stern light is required

Question 2

A power-driven vessel less than 12 metres in length may use which simplified light arrangement?

Accepted Answer

An all-round white light and sidelights

Answer

A single white flashing light only

Answer

Sidelights only with no white light

Answer

Three all-round lights in a vertical line

Question 3

A vessel engaged in fishing (other than trawling) displays which lights at night?

Accepted Answer

Two all-round lights, red over white

Answer

Two all-round lights, green over white

Answer

A flashing yellow light

Answer

Sidelights only

Question 4

What lights does a vessel aground display at night in addition to its anchor lights?

Accepted Answer

Two all-round red lights in a vertical line

Answer

A flashing red light

Answer

Three all-round red lights in a vertical line

Answer

One all-round red light

Question 5

When a vessel is towing another vessel, what additional light is displayed above the stern light?

Accepted Answer

A yellow towing light

Answer

An all-round white light

Answer

A red flashing light

Answer

A second green sidelight

Question 6

What shape must a vessel at anchor display during daylight hours?

Accepted Answer

A black ball

Answer

A black diamond

Answer

A black cone, point downward

Answer

Two black balls in a vertical line

Question 7

A sailing vessel that is also using its engine must display which additional shape during daylight?

Accepted Answer

A cone with the point downward

Answer

A black ball

Answer

A black diamond

Answer

Two black balls in a vertical line