Introduction to the Rules

This topic explains the purpose, scope, and structure of the COLREGs. You will learn where the rules apply, how they are enforced, and the general responsibilities of vessels operating in sight of one another.

Identifying Vessel Types

This topic teaches you how to recognise different vessel types by their lights, shapes, and signals. You will learn how vessel type affects rights, responsibilities, and expected actions.

Checking for Collision Risk

This topic focuses on how to assess risk of collision using all available means. You will learn why early and continuous assessment matters and how to confirm whether a risk exists.

Who Gives Way?

This topic covers the steering and sailing rules that define give way and stand on responsibilities. You will learn how to apply the rules quickly and correctly in common encounter situations.

Special Rules & Regulations

This topic covers restricted visibility and other specific rules that do not fit standard encounter scenarios. You will learn how to operate safely when visibility is reduced or when special circumstances apply.

Annex