Three Ground-Mapping GPS Handhelds

It was April 1996 when Lowrance Electronics stood the aviation GPS market on its ear by introducing the AirMap, the first handheld aviation GPS with built-in ground-mapping capability. Now, pilots have three ground-mapping competitors to choose from: the AirMap 300, the Garmin GPSMAP-195, and the upgraded II Morrow Precedus. We've put all three through their paces on a long IFR X-C trip, and here's our in-depth evaluation.

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