Sikorsky has teamed with Leonardo to investigate its compound helicopter technology for NATO's Next Generation Rotorcraft Capability program. Sikorsky proposed the Defiant-X design for the U.S. Army's ...

TIANJIN, China — Avicopter is developing a technology demonstrator for a high-speed helicopter, adopting a compound configuration that combines coaxial rigid rotors and nose-mounted counter-rotating ...

Airbus flew its strange helicopter-airplane hybrid called Racer for the first time in Marseille, France on Monday. The aerospace manufacturer categorizes the aircraft as a high-speed compound ...

As experts have gotten a look at photos of the pieces of a U.S. helicopter left behind at the compound where Osama bin Laden was killed, they've... As experts have gotten a look at photos of the ...

LONDON—Airbus Helicopters has set a new speed target of 240 kt. (276.1 mph) for the next round of flight testing of its Racer compound high-speed rotorcraft. The Racer is currently in maintenance ...

The hydrogen-powered PA-890 slow-rotor wing compound helicopter is expected to be able to carry a pilot and up to seven passengers on trips of over 200 nm. Piasecki's PA-890 hydrogen-powered ...