COLREG 72 is a complete study and reference app for the International Regulations for Preventing Collisions at Sea. Built for maritime students, merchant navy officers, yacht captains, and anyone preparing for a maritime exam.
WHAT IS INCLUDED
- Flashcard System — Card-based learning tied directly to COLREG 72 paragraphs. Review each rule at your own pace and track which cards you've mastered.
- Interactive Quizzes — Test your knowledge with multiple-choice quizzes. Instant feedback, answer statistics, and progress tracking help you focus on weak areas.
- Theory with Explanations — Full COLREG 72 theory content broken into digestible sections. Detailed explanations make complex navigation rules easy to understand.
- Sound Signals — Audio playback for all mandatory sound signals. Learn to recognize horn sequences by ear, not just by text.
- Tablet & Phone Support — Optimized for both phones and tablets. Study comfortably on any device.
- Multi-Language — Available in English, Russian, Spanish, and French.
WHO IS THIS FOR
- Maritime students preparing for COLREG / seamanship exams - Professional navigators refreshing collision avoidance rules - Yacht skippers and sailing enthusiasts studying COLREG - Anyone working toward an offshore or coastal qualification
FREE & PRO
The free version includes core flashcards and quizzes supported by ads. Upgrade to Pro to remove all ads and unlock the complete theory library, full quiz bank, and sound signals content.
Download COLREG 72 and start mastering the rules today.
--- Support: smir1986@gmail.com
Latest version
Version
2.7.0
Update
May 5, 2026
Package ID
edu.SmirnovYury.EngVesselLights
What's new
May 5, 2026
Optional smart reminders bring you back only when there is something useful to do: an unfinished exam, personal practice, or mistakes to review.
Quiet hours and weekly caps keep notifications focused and easy to control.
Fixed a rare Android secure-storage crash and improved reminder sync reliability.