Rolls-Royce Model 250 Turboprop to power new executive transport aircraft

The Turbine 340, a new Rolls-Royce Model 250-powered executive transport aircraft, was unveiled on July 27th by O&N Aircraft Modifications, Inc. at the Rolls-Royce exhibit at EAA AirVenture.

The aircraft is a twin-engine Cessna 340 converted from its AvGas piston engine configuration to incorporate Model 250 B-17 series turboprops. The Turbine 340 made its successful first flight in early July and will begin extensive flight testing next month to complete its FAA Supplemental Type Certification.

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