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The Hiller OH-23 Raven is a two, three, or four-place, military light observation helicopter based on the Hiller Model 360. The Model 360 was designated by the company as the UH-12 ("UH" for United Helicopters), [1] which was first flown in 1948. Initially it was a two-place helicopter powered by a piston engine that entered service in the late ...
The company was renamed Hiller Helicopters in 1948. It was involved in the development of a number of prototype helicopters. It was involved in the development of a number of prototype helicopters. From the early 1960s to 1969, its Palo Alto plant served as a CIA cover for the production of the CORONA reconnaissance satellites .
Thompson continued to fly observation missions in the OH-23 and was hit by enemy fire a total of eight times. In four of those instances, his aircraft was lost. [4]: 146 In the last incident, his helicopter was brought down by enemy machine-gun fire, and he broke his back in the resulting crash landing. This ended his combat career in Vietnam.
The choice of a rigid rotor meant that the helicopter was more agile than it would have been with a flapping rotor. The performance of the CL-475 encouraged Lockheed to seek further development. Lockheed submitted the CL-475 to the Army as a candidate to replace the Bell OH-13 Sioux and Hiller OH-23 Raven observation helicopters. Lockheed also ...
The Fairchild Hiller FH-1100 is a single-engine turbine, single two-bladed rotor, light helicopter that was designed and produced by the American aircraft manufacturer Fairchild Hiller in the 1960s. Originally designated as the Model 1100 , it was produced as the company's design submission for the United States Army 's Light Observation ...
The Los Angeles County Sheriff's Department did not get the proper approval for an emergency helicopter landing pad behind Sheriff Alex Villanueva's home in La Habra Heights, a county audit found.