Description
SonarChart is an HD bathymetric map that shows in an exceptional way the details of the outlines of the sea and lake bottoms. SonarChart is constantly improved by millions of sonar logs shared by boaters like you. Navionics accepts survey logs recorded by a large majority of pollsters / plotters and mobile devices. These logs are integrated with existing data to obtain an ever more accurate SonarChart map that takes into account the ever-changing conditions of sea, river and lake bottoms.