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MD Helicopters, LLC. (formerly McDonnell Douglas Helicopter Systems) is an American aerospace manufacturer. It produces light utility helicopters for commercial and military use. The company was a subsidiary of Hughes Aircraft until 1984, when McDonnell Douglas acquired it and renamed it
Hughes Helicopters was made a subsidiary initially and renamed McDonnell Douglas Helicopter Systems in August 1984. [41] McDonnell Douglas Helicopters's most successful product was the Hughes-designed AH-64 Apache attack helicopter. [42] [43] McDonnell Douglas MD-11. In 1986, the MD-11 was introduced, an improved and upgraded version of the DC ...
Production of the type was continued into the twenty-first century by Hughes' successor companies, McDonnell Douglas Helicopter Systems, and subsequently MD Helicopters. While the MD 500 series has been largely operated by civil customers, it has occasionally seen military use, even to the extent of performing front line combat operations.
The McDonnell Douglas Helicopter Systems MD 500 Defender is a light multi-role military helicopter based on the MD 500 light utility helicopter and OH-6 Cayuse Light Observation Helicopter. Design and development
The MD Helicopters MD Explorer is a light twin-engined utility helicopter designed and initially produced by the American rotorcraft specialist McDonnell Douglas Helicopter Systems. On 18 December 1992, the maiden flight was conducted, initial certification for the type followed roughly two years later.
NOTAR ("no tail rotor") is a helicopter system which avoids the use of a tail rotor. It was developed by McDonnell Douglas Helicopter Systems (through their acquisition of Hughes Helicopters ). The system uses a fan inside the tail boom to build a high volume of low-pressure air, which exits through two slots and creates a boundary layer flow ...
The AH-6 helicopters were armed with 7.62 miniguns and 2.75-inch rockets. Initially, the aircraft patrolled in teams (call sign "SEABAT") that waited for U.S. Navy SH-2s to direct them to the targets. Later, to preserve the aircraft and crews from fatigue and wear, the SEABAT teams remained on the ship's deck until a contact was identified.
McDonnell Douglas Helicopter Systems (MD Helicopters since 1999) first announced it was developing a stretched MD 520N in late 1994, at that time designated the MD 630N. [1] The prototype, a modified MD 530F, had made its first flight on November 22, 1994.