Williams closing in on pair of engine approvals

Aviation International News » March 2004
March 16, 2007, 9:31 AM

Williams International of Walled Lake, Mich., expects to receive FAA certification soon for two of its new turbofan engines. U.S. approval is anticipated this quarter for the FJ33, a 1,200-pound-thrust engine that has been selected to power several very light jets still under development, including the Adam A700, Safire Jet, Diamond D-Jet and Aerostar FJ-100. Certification is targeted this spring for the FJ44-3 and the aircraft it is powering, the Cessna Citation CJ3. No certification effort is under way for the 700- to 800-pound-thrust FJ22 (nee EJ22). That engine was dropped by Eclipse for its very light twinjet and no new aircraft manufacturers have committed to using it in one of their designs. Eclipse said more power was needed for its Model 500 and subsequently selected the 900-pound-thrust Pratt & Whitney Canada PW610F.

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