Lights & Shapes

Question 1

Flashing Light

Answer 1

a light flashing at regular intervals at a frequency of 120 flashes or more per minute.

Question 2

Sidelights (option for vessels <20m)

Answer 2

In a vessel of less than 20m in length, the side lights may be combined in one lantern carried on the fore-and-aft centreline of the vessel.

Question 3

Vertical separation of all light except for masthead and anchor lights?

Answer 3

2 metres

Question 4

What may a vessel at anchor additionally sound?

Answer 4

Morse Romeo ( ._. )

Question 5

What may a vessel aground additionally sound?

Answer 5

Morse Uniform ( .._ ) or Lima ( ._.. )

Question 6

Vertical separation of shapes?

Answer 6

1.5 metres

Question 7

Audible ranges of sounds

Answer 7

<20m: 0.5’
20m<75m: 1.0’
75<200: 1.5’
200<: 2.0’

Question 8

You see a single white light.

Answer 8

-Stern light of a PDV or SV (St)
-Vessel <50m @anchor (AR)
-PDV <7m in length with speed <7 kts. (AR)
-Vessel under oars/SV <7m in length. (torch/lantern)
-Liferaft or lifejacket (AR)