Access Class B AIS and Emergency PLB/EPIRB data. View live AIS targets, check distress beacon details, and monitor battery status via NFC or WiFi. Configure your AIS with vessel information.





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Access Class B AIS and Emergency PLB/EPIRB data. View live AIS targets, check distress beacon details, and monitor battery status via NFC or WiFi. Configure your AIS with vessel information.





Master USCG Navigation Rules with a comprehensive question bank and smart study features. Track your progress, practice for exams, and study offline to navigate with confidence.






This app simplifies celestial navigation using a sextant, providing tools to calculate your position at sea. It offers automated calculations or manual table access, with features for observation archiving and compass checks. Ideal for learning and practicing traditional navigation methods.


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Access tide and current data for over 13,400 global locations without an internet connection. Plan your coastal activities with detailed daily events, interactive graphs, and station search options.