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Conversions 1-89 utilize the Pratt & Whitney PT6A-34 turbine engine.

Effective with conversion 90, JetPROP offered either the PT6A-35 (performance option) or the PT6A-21 (economy option).

JetPROP Performance Charts

Performance data from the JetPROP DL (PT6A-21) POH Cruise Data, Change 16 and JetPROP DLX (PT6A-34 and -35) POH Cruise Data, Change 14.