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Rule 22 (Visibility of lights)

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 m or more in length:

- a masthead light, 6 miles;

- a sidelight, 3 miles;

- a sternlight, 3 miles;

- a towing light, 3 miles;

- a white, red, green or yellow all-round light, 3 miles.

(b) In vessels of 12 m or more in length but less than than 50 m in length:

- a masthead light, 5 miles; except that where the length of the vessel is less than 20 m, 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 m in length:

- a masthead light, 2 miles;

- a sidelight, 1 miles;

- 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.

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This project has been funded with support from the European Commission.This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.