Engines
GE challenges P&WC’s PT6A

GE is close to having its 800-shp H80 turboprop flying on certified aircraft, thus throwing the gauntlet to the ubiquitous Pratt & Whitney Canada (P&WC) PT6A engine. The first H80-equipped Ayres Thrush 510G cropduster was to be delivered in June. Smyrna Air Center is flight-testing an H80-powered King Air C90, aiming for STC in the third quarter of 2012.

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