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Blade Air Mobility, Inc. (stylized as BLADE) is an aviation company headquartered in New York City and incorporated in Delaware. Blade's urban air mobility platform provides air transportation for passengers and last-mile critical cargo, [2] [3] primarily using helicopters and amphibious aircraft for passenger routes in the United States, Canada, Southern Europe, and India, in addition to ...
A rotor blade produces more lift in the advancing half. As a blade moves toward the direction of flight, the forward motion of the aircraft increases the speed of the air flowing around the blade until it reaches a maximum when the blade is perpendicular to the relative wind. At the same time, a rotor blade in the retreating half produces less ...
After initial testing as a pure helicopter, two auxiliary turbojets were added in March 1977. As a helicopter, the XH-59A demonstrated a maximum level speed of 156 knots (289 km/h; 180 mph), but with the auxiliary turbojets, it demonstrated a maximum level speed of 238 knots (441 km/h; 274 mph) and eventually a speed of 263 knots (487 km/h; 303 ...
A Black Hornet Nano helicopter unmanned aerial vehicle (UAV) (2013) The Black Hornet Nano is a military micro unmanned aerial vehicle (UAV) developed by Prox Dynamics AS of Norway, and in use by the armed forces of Norway, the United States, France, the United Kingdom, Germany, Denmark, Algeria, Ireland, Australia, the Netherlands, Poland, New Zealand, India, Turkey, South Africa, Ukraine and ...
EADS Scorpio: The EADS "Scorpio" is a much smaller reconnaissance helicopter UAV, focused on special operations. It is also of conventional helicopter configuration, with a two-blade main rotor with Hiller-type stabilization paddles, an exposed two-blade tail rotor, and landing skids. A sensor turret may be fitted between the landing skids.
"Drone activity can sometimes be mistaken for general aviation aircraft, such as planes or smaller helicopters, due to several overlapping characteristics," according to the DHS, including ...