CHART PLOTTER (WITH INTERNAL GPS ANTENNA AND FISHFINDER)

Detailed Charts, Navionics and C-MAP Compatibility. Utilizing the incredibly rich C-MAP and Navionics charts, the GP-1871F/1971F delivers highly accurate data with a wealth of useful information such as relief vectors, tidal currents and marine plans, greatly improving your navigational awareness.

Navionics Compatibility

The GP-1871F/1971F v4.0 is now compatible with C-map (MM3D), Navionics+ and Platinum+ charts and offers several new features, including:

- Nautical Chart
- SonarChart™
- Community Edits
- Dock-to-Dock Autorouting
- SonarChart™ Live
- Advanced Chart Options
- Plotter Synchronization