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Aircraft Designs, Inc.
In Case You Missed it
Navigate the Glass Transition
Learning to use an EFIS. By Katie Bosman Krotje.
IFR GPS Buyer’s Guide: Avidyne and Garmin
Selecting a GPS for your project has never been easy, even in the early...
Dry Tappet Clearance
A flat (standard) tappet disassembled into its various parts. Note that the tappet...
Engine Beat
There's a lot to know about aircraft oil: what to use, when to use it, when to change it. Steve Ells sheds some light on this essential fluid.