COLREG Rules — International Regulations for Preventing Collisions at Sea
Full rule-by-rule reference of COLREG 1972 (as amended), organized by Parts A–E. Plain-English explanations, common mistakes, exam traps, and FAQ for every rule.
A
Part A — General
3B
Part B — Steering & Sailing Rules
16Section I.Conduct in any condition of visibility
Section II.Conduct in sight of one another
Section III.Conduct in restricted visibility
C
Part C — Lights & Shapes
12- 20Application (Lights)
- 21Definitions (Lights)
- 22Visibility of Lights
- 23Power-driven Vessels Underway
- 24Towing and Pushing
- 25Sailing Vessels Underway and Vessels Under Oars
- 26Fishing Vessels
- 27Vessels Not Under Command or Restricted in Ability to Manoeuvre
- 28Vessels Constrained by Their Draught
- 29Pilot Vessels
- 30Anchored Vessels and Vessels Aground
- 31Seaplanes
D
Part D — Sound & Light Signals
6E
Part E — Exemptions
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