Thu, May 10, 2012
First Installation Will Be On Nextant 400XT
EASA has awarded a type certificate to Williams International for its FJ44-3AP engine, an improved version of its popular FJ44-3A model. State-of-the-art aerodynamics and structural enhancements led to this new benchmark in thrust-to-weight ratio and fuel economy. Take-off thrust was increased 8% to 3052 pounds, cruise thrust was increased 13%, while weight was reduced 3% and cruise specific fuel consumption improved by 1.5%. The FJ44-3AP was certified by the FAA in May 2011. The engine will first be installed on the Nextant 400XT.
![](/images/content/commav/2011/Williams-FJ44-Engine-1111a.jpg)
“I want to thank EASA for their strong support in achieving this milestone,” said Gregg Williams, Chairman, President & CEO of Williams International. “I am also very proud of our team for developing significant improvements to what was already a very good engine. The outstanding performance of the FJ44-3AP engine will lead to many new and improved airplanes.”
“The FJ44-3AP is also the first to receive EASA certification of a new proprietary feature we developed,” Williams added, “that converts into thrust the energy typically wasted pre-cooling engine bleed air for use in aircraft anti-icing systems. This feature, which enables much better performance in icing conditions, will be offered on Williams’ other commercial engines.”
The FJ44-3AP joined a comprehensive product line of FJ33 and FJ44 engines that covers the thrust spectrum from 1000 to 3600 pounds thrust. Two other new models are well along in development – the FJ44-1AP-21 will be certified later this year for use in the Cessna M2, and the FJ33-5 will be certified next year in support of the Cirrus and Diamond jets. All have rugged and efficient wide-sweep fans, health-monitoring FADEC controls, and low-emissions combustor technology.
The company says the FJ44-3AP engine incorporates durability improvements gleaned from over 7 million hours of operation of the 4300 FJ44 engines in service.
![](/images/content/commav/2011/Nextant-400XT-1011c.jpg)
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