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Continue to ChatNext Gen turboprop R&D continues at Pratt & Whitney https://leehamnews.com/2015/04/05/next-gen-turboprop-rd-continues-at-pratt-whitney/
Next Gen turboprop R&D continues at Pratt & Whitney https://leehamnews.com/2015/04/05/next-gen-turboprop-rd-continues-at-pratt-whitney/