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Chuck Berthe

Chuck Berthe
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Chuck Berthe is a retired Naval Aviator, civilian Test Pilot, and Aeronautical Engineer with ATP, CIFI, Helo, A&P ratings, and two Repairman Certificates. He has logged 16,600 pilot hours, and is an Associate Fellow in the Society of Experimental Test Pilots.

Bearhawk LSA

Its the wing that gives Bob Barrows latest design a faster cruise and slower stall speed than similar LSAs. By Chuck Berthe.

Flight Review: Revival of the Fittest

Part Husky, part Cub, the Bearhawk Patrol evokes 1940s-era shapes but with the benefit of today’s advanced manufacturing. By Chuck Berthe.

Flight Review: Four to Tango

Chuck Berthe puts Team Tango’s Foxtrot 4 through its paces, and finds it to be a capable aircraft with the potential to be even better as the design is refined.

Comp Air 9

Chuck Berthe flies the turbine-powered Comp Air CA9, an impressive work in progress. With a combination of a massive airframe and a Honeywell turbine, the CA9 is a heavy hauler that will really scoot.

Arion Lightning

Test pilot Chuck Berthe flew the Arion Lightning not once but twice, in two different factory demonstrators. The first flight raised concerns about the trim system and longitudinal stability, while the second flight (months later) impressed with improvements to the trim system and the consequent betterment of the airplane’s handling characteristics.

In Case You Missed it

What’s New: Garmin’s Bold Experimental Push

New equipment from Garmin’s Team X is tailored to the experimental builder’s budget.

Aero ‘lectrics

How do you condition a battery not in regular use to extend its lifetime? Run it down and then charge it back up. Jim Weir explains how to achieve this with about $10 worth of parts.

Dimple Tokens

Sooner or later a part will need to be countersunk for a dimple....

Around the Patch

Editor-in-Chief Marc Cook takes the temperature of the homebuilt industry at the first big fly-in of the season.