Lights

Question 1

Which are Vessels Definitely making way:

Answer 1

No Targets for radars:
NUC
Trawl
Fish
RAM

Question 2

‘Masthead light’ means

Answer 2

“Masthead light” means a white light placed over the fore and aft centreline of the vessel showing an unbroken light over an arc of the horizon of 225 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on either side of the vessel.

Question 3

“Sidelights” means

Answer 3

“Sidelights” means a green light on the starboard side and a red light on the port side each showing an unbroken light over an arc of the horizon of 112.5 degrees and so fixed as to show the light from the right ahead to 22.5 degrees abaft the beam on its respective side. In a vessel of less than 20 metres in length the sidelights may be combined in one lantern carried on the fore and aft centreline of the vessel.

Question 4

“Sternlight” means

Answer 4

“Sternlight” means a white light placed as nearly as practicable at the stern showing an unbroken light over an arc of the horizon of 135 degrees and so fixed as to show the light 67.5 degrees from right aft on each side of the vessel.

Question 5

“Towing light” means

Answer 5

“Towing light” means a yellow light having the same characteristics as the “sternlight” defined in paragraph (c) of this Rule.

Question 6

“All-round light” means

Answer 6

“All-round light” means a light showing an unbroken light over an arc of the horizon of 360 degrees.

Question 7

“Flashing light” means

Answer 7

“Flashing light” means a light flashing at regular intervals at a frequency of 120 flashes or more per minute.

Question 8

Ranges of lights

Answer 8

The lights prescribed in these Rules shall have an intensity as specified in Section 8 of Annex I to these Regulations so as to be visible at the following minimum ranges:

(a) In vessels of 50 metres or more in length:
- a masthead light, 6 miles;
- a sidelight, 3 miles;
- a stern light, 3 miles;
- a towing light, 3 miles;
- a white, red, green or yellow all-round light, 3 miles.

(b) In vessels of 12 metres or more in length but less than 50 metres in length:
- a masthead light, 5 miles; except that where the length of the vessel is less than 20 metres, 3 miles;
- a sidelight, 2 miles;
- a sternlight, 2 miles;
- a towing light, 2 miles;
- a white, red, green or yellow all-round light, 2 miles.

(c) In vessels of less than 12 metres in length: - a masthead light, 2 miles;
- a sidelight, 1 mile;
- a sternlight, 2 miles;
- a towing light, 2 miles
- a white, red, green or yellow all-round light, 2 miles.

(d) In inconspicuous, partly submerged vessels or objects being towed: - a white all-round light, 3 miles.