Rule 1 – General Application

Summary of rule:

  • COLREGS apply to all vessels of inland waters of the United States and Canadian waters of the Great Lakes to the extent they do not interfere with Canadian law.
  • The lights and shapes outlined in these rules can’t be used anywhere else.
  • If a vessel can’t comply with any part of these rules, it will comply with all the rules it can.

The Other COLREGS

Rule 2 – Responsibility

Summary of rule: Nothing will justify escape from the consequences of ignoring these rules. Proper seamanship and danger awareness are to be had at all…

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Rule 3 – General Definitions

There are 7 major vessel definitions: Vessel = anything that can transport over the water and includes non-displacement craft and seaplanes. Power-driven vessel = anything…

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Rule 5 – Look-out Rule

Every vessel shall at all times maintain a proper look-out by sight and hearing as well as by all available means appropriate in the prevailing…

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Rule 6 – Safe Speed

Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision and be…

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Rule 7 – Risk of Collision

Every vessel shall use all available means appropriate to the prevailing circumstances and conditions to determine if the risk of collision exists. If there is…

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Rule 8 – Action To Avoid Collision

Any action taken to avoid collision shall, if the circumstances of the case admit, be positive, made in ample time and with due regard to…

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