IFR GPS Buyer’s Guide: Avidyne and Garmin

There are plenty of choices between only two manufacturers. Step one is picking a screen size, and then decide if you want VHF nav.

Selecting a GPS for your project has never been easy, even in the early days of TSO C129(A1) GPS technology. This regulatory spec was for earlier-gen IFR GPS en route and non-precision approach-approved navigators that ushered in the age of instrument approaches by GPS. While we’ve never looked back (and while we weren’t looking the […]
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