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EASA Approves STC for Hartzell Alternator Upgrades - FLYING Magazine

Typical Lycoming engine installation of Plane-Power ALT-FLX alternator. [Courtesy: Hartzell Aviation]

The European Union Aviation Safety Agency (EASA) has granted Hartzell Engine Tech supplemental type certificate (STC) approval for Plane-Power ALT-FLX alternator upgrades in a wide variety of piston-powered airplanes and helicopters. Generator Transfer Panel

EASA Approves STC for Hartzell Alternator Upgrades - FLYING Magazine

The STC was previously approved in the U.S. by the FAA.

According to Hartzell, the EASA STC covers a number of Aviat, Beechcraft, Cessna, Cirrus, Diamond, Extra, Mooney, Piper, and SOCATA airplanes along with several models of Robinson and Sikorsky helicopters.

The STC approved Plane-Power ALT-FLX alternators that “provide up to 100 amps in a 12-volt electrical system and up to 150 amps in a 24-volt system,” Keith Bagley, Hartzell Tech president, said in a statement. “Weights are comparable to replaced alternators, and kits provided contain all the brackets and hardware needed to complete the upgrade.”

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EASA Approves STC for Hartzell Alternator Upgrades - FLYING Magazine

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