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A must-have App either to navigate or to pass your certificate.
The Nautical App you've been waiting since quite a lot, easy, simple and at your fingertips. A must-have App either to navigate or to pass your certificate. All at hand, on your Android! Learn the 'International Regulations for Preventing Collisions at Sea'. (IRPCS/ColRegs).
Contains the most important parts of International Regulations for Preventing Collisions at Sea (IRPCS).
International code flags, morse code, maneuvers, lights, Douglas sea scale, Beaufort scale, sound signals... All this and much more in graphic sections in order to solve your questions quickly.
MarinusApps
www.marinusapps.com
What's New in the Latest Version 5.3.1
Last updated on Dec 5, 2025
New section available!
SMCP (Standard Marine Communication Phrases): you can now access standard maritime phrases in English directly from the app.
Other improvements:
• Optimized ad system for a better user experience.
• Implemented a new analytics system to keep improving the app.
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Marinus
5.3.1 by Marinus Apps
Dec 5, 2025