NavSim NavSim has developed a series of electronic navigation systems for professional and recreational marine use. NavSims NavCruiser Pro, BoatCruiser and SailCruiser use advanced chart display and presentation technology, combined with GPS positioning and other optional sensors, to provide a comprehensive, real time marine picture to the professional or recreational mariner. NavSims systems support vector charts in the official IMO S-57 format and C-MAP Max and Max-Pro formats, as well as raster charts from Maptech, NDI, SoftChart, USGS, NOAA, BSB and others. Navsim.com~Site InfoWhoisTrace RouteRBL Check