An advanced aircraft engine plan was abandoned.
International Aero Engine, the airplane engine manufacturing group that includes Pratt & Whitney and Rolls-Royce, said that it has scrapped plans to build the revolutionary engine, leaving the market clear for competing models by General Electric Co. IAE said it could not build the engine, known as the Superfan, to meet a 1992 deadline from a key customer, Airbus Industrie.
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