Williams International
Williams FJ44
The Williams FJ44 is a family of small turbofan engines widely used in light and very light business jets, offering high reliability in a compact and lightweight package. The FJ44 series spans thrust ratings from 1,900 to 3,600 lbf across multiple variants including the FJ44-1, FJ44-2, FJ44-3, and FJ44-4. It powers aircraft such as the Cessna Citation CJ series, Pilatus PC-24, and Sino Swearingen SJ30.
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Specifications
- Thrust
- 3,600 lbf
- First Run
- 1990
5 more specifications — performance, dimensions, weights and powerplant — are free with an account.
About the Williams FJ44
The Williams FJ44 is a turbofan engine from Williams International, in service since 1990. The Williams FJ44 is a family of small turbofan engines widely used in light and very light business jets, offering high reliability in a compact and lightweight package. The FJ44 series spans thrust ratings from 1,900 to 3,600 lbf across multiple variants including the FJ44-1, FJ44-2, FJ44-3, and FJ44-4. It powers aircraft such as the Cessna Citation CJ series, Pilatus PC-24, and Sino Swearingen SJ30.
It powers aircraft such as the Cessna Citation CJ1, Cessna Citation CJ2, Cessna Citation CJ3, Cessna Citation CJ4 and others. When buying or overhauling a turbofan like this, the figures that matter most to operators are time since overhaul, program enrolment (engine maintenance program vs time-and-material), and the cost of the next shop visit — all of which a seller quote should make clear.
Williams FJ44: FAQs
What aircraft use the Williams FJ44?
The Williams FJ44 powers aircraft including the Cessna Citation CJ1, Cessna Citation CJ2, Cessna Citation CJ3, Cessna Citation CJ4, Pilatus PC-24.
How much thrust does the Williams FJ44 produce?
The Williams FJ44 produces 3,600 lbf of thrust. Full specifications are listed above.
Who manufactures the Williams FJ44?
The Williams FJ44 is manufactured by Williams International, and has been in service since 1990.
How much does a Williams FJ44 cost?
Pricing and seller availability for the Williams FJ44 — new, overhauled or as a core — are shared with verified HangarMart partners rather than published publicly. Use "Request Pricing" above for current quotes and condition options.