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Collision avoidance

Practical guides to the COLREGS, buoyage, lights and shapes, and exam prep - written to be useful at the chart table, not just in the classroom.

COLREGS rulesCrossing situationCollision avoidanceExam prepSeamanship

Rule 15 Crossing Situations: Who Gives Way and Why

Rule 15 governs crossing situations at sea. Learn who gives way, what constant bearing means in practice, and why you must never cross ahead of the stand-on vessel.

13 July 2026 · 8 min read
COLREGS rulesCollision avoidanceNavigation lightsExam prepSeamanship

Rule 14: Recognising a Head-On and the Starboard Reflex

How to identify a head-on situation at night, why Rule 14's in-doubt clause matters, and why starboard is always the right turn.

6 July 2026 · 9 min read
COLREGS rulesCollision avoidanceExam prepSeamanshipRule of the road

Stand-On vs Give-Way: Who Moves, and When Rules Change

Rule 16 and Rule 17 explained clearly - including the moment a stand-on vessel must stop standing on and take action.

10 June 2026 · 8 min read
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Master the International Regulations for Preventing Collisions at Sea. Built for skippers, students, and professional mariners.

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