PRODUKTBESKRIVNING Our Advanced Chart Offering Derived from official charts and private sources to provide navigational aids, spot soundings, depth contours, tides and currents, and detailed harbors and marinas Depth Range Shading for up to 10 depth ranges enables you to view your target depth at a glance Up to 1-foot contours provide a more accurate depiction of the bottom structure for improved fishing charts and navigation in swamps, canals and marinas Shallow Water Shading feature allows for depth shading at a user-defined level to aid in navigation Worldwide coverage available Advanced Chart Detail Detailed charts help the mariner guide their boat in and out of port with confidence. NOAA Raster Cartography If you prefer your display to have the look of paper charts, NOAA raster cartography 2 is available as a free downloadable feature via the ActiveCaptain® app. Depth Range Shading Displays high-resolution Depth Range Shading for up to 10 depth ranges so you can view your designated target depth. Detailed Contours BlueChart g3 HD features 1-foot contours that provide a more accurate depiction of bottom structure for improved fishing charts and enhanced detail in swamps, canals and port plans.