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Rule 33 - Equipment for Sound Signals
Overview
Rule 33 describes the sound signal equipment required on vessels of different sizes.
The rule references whistles, bells, and gongs, and directs the reader to Annex III for the required specifications.
Rule 33 - Equipment for Sound Signals
- A vessel of 12 metres or more in length shall be provided with a whistle, a vessel of 20 metres or more in length shall be provided with a bell in addition to a whistle, and a vessel of 100 metres or more in length shall, in addition, be provided with a gong, the tone and sound of which cannot be confused with that of the bell. The whistle, bell and gong shall comply with the specifications in Annex III to these Regulations. The bell or gong or both may be replaced by other equipment having the same respective sound characteristics, provided that manual sounding of the prescribed signals shall always be possible.
- A vessel of less than 12 metres in length shall not be obliged to carry the sound signalling appliances prescribed in paragraph (a) of this Rule but if she does not, she shall be provided with some other means of making an efficient sound signal.
About This Work
No visual explanation of this rule was produced within the original series, but the text is included here for completeness within the COLREGs in Depth collection.
A dedicated visual explanation can be produced for this rule upon request.
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