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Visibility of lights in vessels over 50 m

  • Description of scenario: Time of the day: From sunset to sunrise and from sunrise to sunset in restricted visibility
    Type of vessel: Vessels of 50 m or more in length
  • Rule(s) to be applied: Rule 22 (Visibility of lights)
  • Applying the Rule(s) and comments: In accordance with Rule 22 (a) (Visibility of lights), the lights in vessels of 50 m or more in length shall be visible at the following minimum ranges:
    - 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.
    In accordance with Rule 22 (Visibility of lights), the lights prescribed in these Regulations shall have an intensity as specified in section 8 of annex I to these Regulations.

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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.