COLREG RULE 20 — POWER-DRIVEN VESSELS & COLLISION AVOIDANCE

COLREG RULE 20 — POWER-DRIVEN VESSELS & COLLISION AVOIDANCE

Rule 20 emphasizes the importance of early, substantial and decisive action when a risk of collision exists. Good seamanship means continuously assessing the situation and keeping well clear of other vessels.

Head-on situations — Take appropriate action to keep well clear.
Crossing situations — Follow the applicable give-way/stand-on responsibilities and avoid close-quarters situations.
Overtaking — Take appropriate action as the overtaking vessel to remain well clear.
Risk of collision — Assess continuously and use all available means.
Correct action — Make alterations early and substantial enough to be readily apparent.

️ Maintain a proper lookout, assess collision risk continuously, and never wait until the situation becomes critical.

️ Good judgement + early action + proper seamanship = safer navigation.

KNOW THE RULE • TAKE EARLY ACTION • KEEP WELL CLEAR

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