Aircraft
Sikorsky S-97 Raider Enters Flight-test Phase
Prototype is representative of a multimission, high-speed helicopter for the U.S. Army, manufacturer says.
The Sikorsky S-97 Raider made its first flight in May.
The Sikorsky S-97 Raider made its first flight in May.

Sikorsky’s S-97 Raider semi-compound helicopter made its first flight on May 22. A follow-on to the X2 demonstrator, the S-97 combines two rigid coaxial, counter-rotating rotors and a pusher propeller to achieve speeds unattainable with a conventional rotorcraft.


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