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Sound signals of a vessel over 100 m at anchor in restricted visibility

  • Description of scenario: Type of vessel: Vessel at anchor of 100 m or more in length
    Visibility: In or near an area of restricted visibility , weather by day or night
  • Rule(s) to be applied: Rule 35 (Sound signals in restricted visibility )
  • Applying the Rule(s) and comments: In accordance with Rule 35 (g) (Sound signals in restricted visibility ), a vessel at anchor shall at intervals of not more than one minute ring the bell rapidly for about 5 seconds.
    In accordance with Rule 35 (g) (Sound signals in restricted visibility ), in a vessel of 100 metres of more in length the bell shall be sounded in the forepart of the vessel and immediately after the ringing of the bell the gong shall be sounded rapidly for about 5 seconds in the after part of the vessel.
    In accordance with Rule 35 (g) (Sound signals in restricted visibility ), a vessel at anchor may in addition sound three short blasts in succession, namely one short, one prolonged and one short blast, to give warning of her position and of the possibility of collision to an approaching vessel.
  • Signals:
  • Signals: or with additional sound signals

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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.