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DEFIANT X Long-Range Assault Helicopter Successfully Performs Technology Demonstration and Low-Level Flight Tests – TechEBlog

Sikorsky-Boeing DEFIANT X Attack Helicopter
Lockheed Martin Sikorsky-Boeing’s SB>1 DEFIANT successfully completed FLRAA mission profile test flights, including a technology demonstration, confined area landings and low-level flight operations. If tests continue to go well, this aircraft will eventually replace the Black Hawk, especially since its coaxial rotors were able to achieve a top speed of 272 mph in level flight. Read more for the video and additional information.



This (272 mph) is not only about twice the speed of the average helicopter, but DEFIANT’s rear propulsor rotor enables it to rapidly decelerate by reducing forward thrust. This in turn also keeps the craft level while slowing down instead of pitching the nose up like a conventional helicopter, offering better visibility for the pilot. Other capabilities include greater than 60-degree banked turns and lifting a 5,300-pound Guided Multiple Launch Rocket System external load.


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Sikorsky-Boeing DEFIANT X Attack Helicopter

Continuing a 75-year partnership with the U.S. Army, providing and sustaining the iconic BLACK HAWK, Chinook and Apache, the Sikorsky-Boeing team looks to the future with the Future Long-Range Assault Aircraft – DEFIANT X. Today, Team DEFIANT completed and submitted the proposal for the U.S. Army’s FLRAA competition, offering low-risk, transformational capability that delivers on an Army critical modernization priority and advances the future of Army aviation,” said Paul Lemmo, president, Sikorsky.


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