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COLREG 72: Rules of the Road
Navigation Lights & Exam Prep
Smirnov Yury · Education
★ 4.85average rating
123ratings
+1new ratings, last 7 days
—not in top charts now
Ratings breakdown
| ★★★★★ | 89% | |
| ★★★★ | 7% | |
| ★★★ | 4% | |
| ★★ | 0% | |
| ★ | 0% |
🔒 Rating history17 days of daily rating and rating countGet Pro access
App info
- Developer
- Smirnov Yury
- Category
- Education, Navigation
- Released
- Jun 30, 2015
- Version
- 2.8.1 (Oct 22, 2026)
- Price
- $3.99
- Size
- 72.9 MB
- Requires
- iOS 15.0
- Age rating
- 4+
- Languages
- English, French, Russian, Spanish
In-app purchases
noneCurrent prices, App Store US.
🔒 Chart rank history3 chart positions recorded, every 3 hoursGet Pro access
About COLREG 72: Rules of the Road
COLREG 72 is a complete study and reference app for the International Regulations for Preventing Collisions at Sea (COLREGs). Built for maritime students, merchant navy officers, yacht captains, and anyone preparing for a maritime exam. WHAT IS INCLUDED - Full text of all 72 COLREG rules (Annexes I through IV) - Theory study with illustrations - Navigation lights identification quizzes - Light placement quizzes — put the lights on the vessel silhouette yourself (74 questions, Rules 23–30) - Rule-based tests with answer explanations - Exam mode — a timed mock exam across all the rules with a final score and a full mistake review - Cross-references between rules and theory — open in popup overlays so you never lose your place HOW IT WORKS Theory and rules are linked throughout the app. When you answer a quiz question incorrectly or open a hint, a direct link appears to the exact theory…
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