COLREG Made Easy

CrewLink Maritime

In-app purchases

About this app

COLREG Made Easy is the complete, interactive reference to the 1972 International Regulations for Preventing Collisions at Sea — built for deck officers, cadets and watchkeepers who need the Rules of the Road at their fingertips, ashore or at sea.

Read the full COLREG text for free. Unlock the complete toolkit once and own it — no subscription, works fully offline.

WHAT'S INSIDE
- Rules — the complete COLREG text and annexes, clear and easy to navigate, with fast full-text search.
- Situations — interactive give-way scenarios showing who stands on and who keeps clear, with animated diagrams.
- Lights & Shapes — 33 vessel configurations rendered as realistic night scenes; tap to learn each light.
- Sound & Light Signals — every signal with audio, including Rule 35 in restricted visibility.
- Quiz & Exam — practice questions and a full exam mode to prepare for MCA, USCG and STCW assessments.
- Distress — recognised distress signals, always available.

WHY COLREG MADE EASY
- Up to date — based on the IMO COLREG 1972, consolidated to the latest 2026 edition.
- Works 100% offline — no signal needed at sea.
- One-time unlock, no subscription, no ads.
- Exhaustive single-app coverage — lights, signals, scenarios, rules and exam prep in one place.
- Designed for real watchkeeping and for passing the exam.

Whether you're standing your first bridge watch or revising for an oral exam, COLREG Made Easy helps you learn the Rules properly and recall them when it counts.

What’s new

Bug fixes and improvements.