COLREG 72: Safety at Sea (for android)

Localization: English, Russian

App features quizzes that cover all COLREGs rules, making it easy for you to consolidate your knowledge and track your progress. You can to revisit questions and review challenging concepts, helping to learn COLREGs in no time.

In addition, app provides comprehensive information about navigational lights, including how to assess the position of a vessel, determine its work and maneuverability at night and in limited visibility. This knowledge is essential for navigators and aspiring navigators alike.

Additional info: How to Install XAPK:
1. Enable unknown sources in Settings.
2. Download XAPK.
3. Install SAI 4.5 (included in the release)
4. Open SAI→ Install APKs → Select XAPK → Install.