Emergency workers and the obscenely rich love helicopters, and for good reason. Unlike airplanes, whirlybirds can take off and land almost anywhere, making them just the thing for tight spots and ...

Helicopters aren't the fastest things flying through the air, but they aren't all lumbering beasts either. While they're not supersonic like some jet airplanes, many military helicopters fly through ...

Since its groundbreaking invention in 1939, the helicopter has steadily transformed the world of transport, though it took a decade or two to really reach its potential. The Korean War served as the ...

Russia has created a highly modified variant of its venerable Mi-24 Hind attack helicopter dubbed the "Prospective Speedy Helicopter" Demonstrator, or Demonstrator PSV. This testbed aircraft aims to ...

Bell Helicopter is beginning to manufacture parts for its new V-280 Valor tilt-rotor aircraft, a next-generation helicopter being developed as part of the Army’s Joint Multi-Role Technology ...

The Japan Aerospace Exploration Agency (JAXA) has tested a wind tunnel model of a high-speed compound helicopter designed to cruise at 500 mph (270 kt.). By enabling flight at twice the speed of ...

Half-breed: Piasecki Aircraft has taken a Sikorsky helicopter and bolted on airplane hardware — a propeller (ducted) and a fixed wing — hoping the resulting X-49A SpeedHawk (top) will bust through the ...

DLR analyses the acoustic properties of the high-speed helicopter RACER. Interactions between individual components that generate noise can be calculated in order to predict the overall noise from the ...