IALACOLREG

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

3
B

Part B — Steering & Sailing Rules

16

Section III.Conduct in restricted visibility

C

Part C — Lights & Shapes

12
D

Part D — Sound & Light Signals

6
E

Part E — Exemptions

1