COLREGs (International Regulations for Preventing Collisions at Sea)
Abbreviation: COLREGs
The 1972 IMO convention setting the rules of the road for preventing collisions at sea — steering, sailing, lights, shapes, sound signals.
Regulatory detail & full definition
The International Regulations for Preventing Collisions at Sea (COLREGs) 1972 are the international rules of the road for shipping. 41 rules covering steering + sailing (Part B), lights + shapes (Part C), sound + light signals (Part D), and exemptions + technical annexes. Every OOW knows COLREGs by heart. Rule 5 (look-out), Rule 6 (safe speed), Rule 7 (risk of collision), Rule 8 (action to avoid collision), Rules 11-18 (conduct in sight), Rules 19 (restricted visibility) are exam-worthy. See /reference/colregs for the site's dedicated guide.
Authoritative source: IMO — COLREGs ↗
Related
Source: COLREG 1972
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