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 are incredible machines with amazing capabilities that fixed-wing aircraft do not have. In spite of this, however, helicopters also have limitations — most notably, the maximum speed they ...

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 ...

Japanese researchers are studying a new design for a high-speed compound helicopter that could reach speeds of up to 270kt (500km/h). The concept, being developed by the Japan Aerospace Exploration ...