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The Eurocopter AS532 Cougar is a twin-engine, medium-weight, multipurpose helicopter developed by France. The AS532 is a development and upgrade of the Aérospatiale SA 330 Puma in its militarized form. Its civilian counterpart is the Eurocopter AS332 Super Puma. The AS532 has been further developed as the Eurocopter EC725.
The Bell Helicopter Eagle Eye, Model 918, was an American tiltrotor unmanned aerial vehicle that was offered as one of the competitors in the United States Navy's VT-UAV program.
The Yakovlev Yak-24 is a Soviet twin-engine, tandem rotor, transport helicopter developed by Yakovlev in the 1950s. The Yak-24 saw limited use in the Soviet Air Force, and the exact number produced and duration of service are unknown due to inconsistencies in data.
The Kamov Ka-26 is a Soviet light utility helicopter with co-axial rotors.
The Kamov Ka-15 was a Soviet two-seat utility helicopter with coaxial rotors which first flew on April 14, 1952 at the hands of test pilot D.K.Yefremov. It was the world's first mass-produced coaxial helicopter. State acceptance trials were completed in 1955, and the helicopter entered production the following year at aircraft factory No.99 in Ulan-Ude. It was a precursor to the Ka-18, and was fitted with the M-14 engine. It was primarily used for bush patrol, agricultural purposes and fishery control.
The Kamov Ka-60 Kasatka is a Russian medium twin-turbine military transport helicopter under development by Kamov. It performed its first flight on 24 December 1998.
The PZL Kania is a follow-up to the Mil Mi-2 helicopter, developed in Poland by PZL-Świdnik.
The Hiller OH-23 Raven is a three-place, military light observation helicopter based on the Hiller Model 360. The Model 360 was designated by the company as the UH-12, which was first flown in 1948. The OH-23 trainer was jokingly nicknamed the "Hiller Killer" by United States Army Aviation student pilots who had to fly it.
The Flettner Fl 282 Kolibri ("Hummingbird") is a single-seat intermeshing rotor helicopter, or synchropter, produced by Anton Flettner of Germany. According to Yves Le Bec, the Flettner Fl 282 was the world's first series production helicopter.
The Cierva C.30 was an autogyro designed by Juan de la Cierva and built under licence from the Cierva Autogiro Company by A V Roe & Co Ltd (Avro), Lioré-et-Olivier and Focke-Wulf.
The Vought-Sikorsky VS-300 is an American single-engine helicopter designed by Igor Sikorsky. It had a single three-blade rotor originally powered by a 75 horsepower (56 kW) engine. The first "free" flight of the VS-300 was on 13 May 1940. The VS-300 was the first successful single lifting rotor helicopter in the United States and the first successful helicopter to use a single vertical-plane tail rotor configuration for antitorque. With floats attached, it became the first practical amphibious helicopter.
The MD Helicopters MD 500 series is an American family of light utility civilian and military helicopters. The MD 500 was developed from the Hughes 500, a civilian version of the US Army's OH-6A Cayuse/Loach. The series currently includes the MD 500E, MD 520N, and MD 530F.
The Changhe Z-11 is a light utility helicopter developed by Changhe Aircraft Industries Corporation (CAIC). According to the Changhe Aircraft Industries Corporation website, it is claimed to be the first indigenously-designed helicopter in China. However, it is largely based on the Eurocopter AS350 Écureuil. The Z-11 project started in 1989 and the first flight was made in Dec 1994. In Oct 2000, test flights of Z-11 were completed. The chief designer of Z-11 is Mr. Wu Ximing (吴希明), who is also the chief designer of three other Chinese helicopters, including the WZ-10. Under Mr. Wu, the Z-11 became the first Chinese helicopter to be completely designed using CAD/CAM techniques.
The Bell R-12 was an American 1940s military utility helicopter built by the Bell Helicopter company.
The Bréguet-Richet Gyroplane was an early French experimental quadcopter rotary-wing aircraft developed by Bréguet Aviation.
The Mitsubishi MH 2000 is a 7/12 seat light utility helicopter. Low levels of interest in the aircraft forced Mitsubishi to halt sales of MH2000 in September 2004.
The McDonnell XHJH Whirlaway, aka McDonnell Model 65, was a 1940s American experimental twin-rotor helicopter designed and built by McDonnell Aircraft for the United States Navy and was the largest helicopter at the time, as well as the first successful twin-engined twin-rotor helicopter in the world.
The Dynali H2S is a Belgian helicopter, designed by Jacky Tonet and produced by Dynali of the Thines district of Nivelles. When it was available the aircraft was supplied as a kit for amateur construction or fully assembled, supplied ready-to-fly.
The Matra-Cantinieau MC-101 was an early 1950s French experimental two seat helicopter of conventional tail rotor configuration but with its engine mounted close to the main rotor, above the seating.
The SNCASE SE-3110 or Sud-Est SE-3110 was a French two seat experimental helicopter with unusual twin, angled tail rotors, first flown in 1950. After brief tests SNCASE decided to concentrate on a closely related but single-tail-rotor design.
References
- Vigilant on FAS website
- "French plan tiny helicopter". New York Times . 17 March 1994. Retrieved 2008-06-19.
This article contains material that originally came from the web article "Unmanned Aerial Vehicles" by Greg Goebel, which exists in the Public Domain.
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