Aerion is hoping to have a final engine selection in place by the end of next year for its supersonic business aircraft, or aircraft family, and believes the design could be ready to hit the market by late 2020. Aerion dropped plans to use the Pratt & Whitney JT8D-200 turbofans, citing concerns that the engine would not be able to meet future environmental regulations, particularly for potential Stage 5 noise requirements that could come down the road. The engine switch also ...


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