---
title: "COLREG 72: safety at sea — App Overview"
url: https://marlvel.ai/intel-report/education/edu-smirnovyury-engvessellights
category: Education
developer: Smirnov Yury
platforms: ios, android
rating: 4.8 (3K ratings)
pricing: free
report_level: overview
generated: 2026-05-04
last_verified: "2026-05-04T07:56:46.654Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app serves as a specialized, integrated study platform that links regulatory text directly to practical exam preparation tools.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Education |
| Rating | 4.8 ★ (3K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 2.6.0 |
| Latest Version (Android) | 2.5.0 |
| Developer | Smirnov Yury |

<!-- SECTION: Summary -->
## What is COLREG 72: safety at sea?

COLREG 72 is an educational reference tool designed to help maritime professionals and students master the International Regulations for Preventing Collisions at Sea. The app integrates the full text of all 72 rules with interactive study aids, including navigation light quizzes and timed mock exams.

<!-- SECTION: Key Features -->
## Key Features

- **Comprehensive Rule Reference**: Provides the full text of all 72 COLREG rules and Annexes I through IV.
- **Interactive Learning Tools**: Features navigation lights identification quizzes and rule-based tests with detailed answer explanations.
- **Exam Mode**: Offers a timed mock exam environment with a final score summary and a comprehensive mistake review.
- **Contextual Cross-Referencing**: Links quiz questions and hints directly to relevant theory sections via popup overlays for immediate study.
- **Progress Tracking**: Monitors read theory sections to help users track their study progress and identify remaining topics.

<!-- SECTION: Target Audience -->
## Who is it for?

Maritime students, merchant navy officers, and yacht captains preparing for professional certification exams.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/colreg-72-safety-at-sea/id1010178487?uo=2)
- [Google Play](https://play.google.com/store/apps/details?id=edu.SmirnovYury.EngVesselLights&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/education/edu-smirnovyury-engvessellights)

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*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/education/edu-smirnovyury-engvessellights).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*