Learn nautical rules with practice exams, detailed answers, and explanations. Access International and US Inland Navigation Rules. Review USCG exam questions and study resources. Track progress and test knowledge regularly.
GPS Speedometer tracks real-time speed using GPS. Users can monitor current speed and record maximum speed during activities. The allows selection of units and displays speed data on a map.
Access vessel positions and details with advanced search and time slider features. Query by area, report incidents, and monitor oil spills. View electronic nautical charts with offline access. Receive local notifications and cluster alerts by color.