gps boat navigation converts your Android smartphone or tablet into a fully functional mobile navigation system with on-board maps, thus avoiding data transfer for map display, route calculation etc.The world's most versatile and user-friendly gps boat navigation drivers.gps navigation for boats is a truck-specific navigation system designed to provide safe and reliable routing. Boat drivers know that choosing the wrong route leads to wasted fuel, out-of-route kilometers, lost time and money and in some cases also safety issues.Unlike standard boat navigation systems,gps navigation boat gps efficient routes based on the vehicle profile information, routing parameters and load type, including hazardous materials.The driver can choose a profile configuration based on length, height, width, weight, max. Axle load, and whether he is carrying hazardous goods.The maps are on-board, which means they are stored directly on the device at the same time both the maps and the application can be easily updated free of charge.