Honeywell TFE731-20 Engines

Learjet 45 was originally delivered with -20R engines flat-rated at 3,500 lbf for takeoff up ISA+16C, with 3,650 lbf thrust available for APR. After approximately 100 engines were delivered, Bombardier and Honeywell introduced the -20AR, an upgraded version with more-robust hot-section parts that...

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