What is the difference between FJ33 and FJ44?
Size & Weight: FJ33 is smaller/lighter for VLJ class; FJ44 targets light-jet and some midsize applications. Thrust: FJ33 ~1,000–1,900 lbf; FJ44 typically ~1,900–3,600+ lbf depending on variant. Use Cases: FJ33 for single-engine VLJs or ultra-light twins; FJ44 for aircraft like Citation CJ/M2 and other light jets. Delivering 3,400lb (15. N) of thrust, the FJ44-4M has a speci c fuel consumption of 0. TBO) of 3,500 flight hours.