Stevens Aviation tapped for Citation 550 engine retrofits

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Clifford Development has appointed Stevens Aviation as an authorized installation center for the company’s certified installations of Williams FJ44-3A engines on the Cessna Citation 550 and the S550.

Clifford Development has certified 35 improvements as part of a recently issued STC, including: an Ametek digital engine display, heavy duty BFG brakes and a dual FADEC system certified to July 2007 standards. The Williams FJ44-3A engines are thermodynamically rated at 3,000 lbs. (with takeoff flat-rated thrust of 2,820 lbs.) versus the original engine’s 2,500-lbs. rating. With this modification, the typical Citation 550/S550’s basic operating weight is reduced 250 lbs.

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