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Donald J. Berk



Converting a Strojnik S2A motorglider from gas to electric power.

In Case You Missed it

Military Oxygen

Want to look and sound like a fighter jock?

What’s New

DRE has a new ANR headset, Approach Fast Stack Pro-G Hub is issued a PMA, and the Hummingbird heli quickbuild kit gets FAA approval.

Turbine Legend

Let’s celebrate the return of some very fine whine.

Ask the DAR

Complying with the 51% rule, bringing Canadian aircraft into the U.S., adding auxiliary fuel tanks, using non-TSOd ADS-B in an Ercoupe.