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Rule 20 - Application

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Overview

Rule 20 defines the application of Part C of the COLREGS.

This rule details the conditions in which the rules concerning lights and shapes apply.

Rule 20 - Application

  1. Rules in this Part shall be complied with in all weathers.
  2. The Rules concerning lights shall be complied with from sunset to sunrise and during such times no other lights shall be exhibited, except such lights as cannot be mistaken for the lights specified in these Rules or do not impair their visibility or distinctive character, or interfere with the keeping of a proper look-out.
  3. The lights prescribed by these Rules shall, if carried, also be exhibited from sunrise to sunset in restricted visibility and may be exhibited in all other circumstances when it is deemed necessary
  4. The Rules concerning shapes shall be complied with by day.
  5. The lights and shapes specified in these Rules shall comply with the provisions of Annex I to these Regulations.
Convention on the International Regulations for Preventing Collisions at Sea, 1972 (COLREGs)

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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