Finmeccanica-Alenia Aermacchi selects Williams International FJ44-4M to power M-345 HET
Finmeccanica-Alenia Aermacchi selected Williams International FJ44-4M to power the new M-345 HET (High Efficiency Trainer) aircraft. FJ44-4M is the fully aerobatic version of FJ44-4A engine. It is a modern two–spool co–rotating turbofan engine with medium bypass ratio, mixed exhaust, and high cycle pressure ratio. FJ44-4M is in the class of 3400 lbs thrust with low