International Regulations for Preventing Collisions at Sea

The International Regulations for Preventing Collisions at Sea 1972 are published by the International Maritime Organization (IMO), and set out the "rules of the road" to be followed by ships and other vessels at sea.

Related Topics:
International Maritime Organization - Ship

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In the UK, they are still often referred to as the "Collision Regulations" (or ColRegs), their former name. In the USA a slightly different version is in use, called the "Navigation Rules" (NavRules); these contain rules for navigation on US inland waters as well as at sea.

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The ColRegs form an integral part of the Racing Rules of Sailing, which govern the conduct of yacht and dinghy racing.

Related Topics:
Racing Rules of Sailing - Yacht - Dinghy

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The Convention on International Regulations for Preventing Collisons at Sea was adopted by the IMO member countries on 20 October 1972 and the regulations were brought into force on 15 July 1977. The regulations have subsequently been revised in 1981, 1987, 1989, 1993 and 2001. The 1972 regulations replaced the Collision Regulations first adopted in 1960.

Related Topics:
20 October - 1972 - 15 July - 1977

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The regulations are made of five parts A-E and four annexes I-IV.

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