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In-flight navigation (and more) for private pilots (Linux).
...I have used OpenFlightNav for several years on a netbook sitting on my lap in the cockpit.
1. Navigation system for private (glider) pilots. Test version runs on Linux tablets and netbooks.
3D Navigation and more functionality (RT lists, checklists, terrain). Default map is based in OpenStreetMap (http://www.openstreetmap.org/) data.
A separate application (NavMapMaker) is available to create your own maps based on scanned or other digital maps. So, you may stop buying expensive digital maps.
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