When upgrading your boat’s electronics, you need to consider which electronic charts are available and supported by the various chartplotter manufacturers. The major multifunction displays from Garmin, Raymarine, Lowrance, Simrad, B&G and Furuno now support digital charts from several sources, including Raymarine, Jeppesen C-MAP, Lowrance, Fugawi, NV Charts, MapMedia, Navionics, Garmin and others. In many cases, this means users have choices regarding chart formats, data sources for specific regions, and enhanced features such as 3D and satellite views, tides and currents, custom sonar soundings, community edits and points-of-interest databases.
It is important to understand that commercial chart suppliers usually license chart data from authorized government hydrographic offices that also produce paper charts. The hydrographic offices of several countries, like the National Oceanic Atmospheric Administration (NOAA) in the United States, share…