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Newsroom / Press release

Announcements · October 15, 2025

SyberJet Aircraft Announces the selection of Williams International FJ44-4A to Power the SJ36 Light Jet

SyberJet Aircraft today announced the selection of Williams International FJ44-4A engines to power its next-generation SJ36 light business jet.

CHANDLER, AZ – SyberJet Aircraft today announced the selection of Williams International FJ44-4A engines to power its next-generation SJ36 light business jet.

The Williams FJ44-4A engine delivers exceptional performance with improved fuel efficiency, making it the ideal powerplant for the SJ36's mission of being the world's fastest and farthest-flying light jet. Rated at 3,620 lb.-thrust, the engine is already proven in aircraft such as the Cessna CitationJet CJ4 and Pilatus PC-24.

"We are thrilled to partner with Williams International on the SJ36 program," said Trevor Milton, CEO of SyberJet Aircraft. "The FJ44-4A's proven reliability and performance characteristics align perfectly with our vision for the SJ36. This engine will enable us to deliver unprecedented speed and range in the light jet category."

The SJ36 is designed to achieve speeds of up to Mach 0.88 and a range of 3,000 nautical miles, setting new benchmarks in the light jet category. The aircraft will feature a sea-level cabin pressure up to 41,000 feet, ensuring passengers arrive refreshed at their destinations.

Williams International has been a leader in small turbofan engines for over four decades. The FJ44 family of engines powers a wide range of business jets and has accumulated millions of flight hours with exceptional reliability.

About SyberJet Aircraft

SyberJet Aircraft is headquartered in Chandler, Arizona, with operations in San Antonio, Texas, and Cedar City, Utah. The company is developing the SJ36, the world's fastest and farthest-flying light jet, building on the legacy of the FAA-certified SJ30.

Media contact: press@syberjet.com