The MD 520N is one of just three helicopters – all manufactured by MD Helicopters, Inc. – to feature the exclusive NOTAR® system for anti-torque and directional control. By replacing …

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 …

MD520N型直升机，是美国原麦克唐纳·道格拉斯公司（后并入 波音公司）研制的5座轻型通用无尾桨直升机。 1980年， 美国陆军 应用技术实验室和 美国国防高级研究计划局 与原休斯直升机 …

The MD 520N is an agile and nimble helicopter that boasts a flight performance unparalleled by any other light twin in the world. It was designed to combine the maneuverability of single …

md 520n By replacing conventional tail rotors with the exclusive NOTAR system, the margin of safety immediately increases for crew and aircraft, and the noise decreases. Exclusive …

The MD 520N is one of just three helicopters – all manufactured by MD Helicopters, Inc. – to feature the exclusive NOTAR® system for anti-torque and directional control. By replacing …

The MD 520N turbine engine allows easy configuration conversion from a five-place personnel transport to a utility helicopter. The 450-shp Rolls-Royce Model 250-C20R/2 turbine-engine …

The MD 520N is one of just three helicopters – all manufactured by MD Helicopters, Inc. – to feature the exclusive NOTAR system for anti-torque and directional control. By replacing …

ORLANDO, Florida, July 19, 2023 – MD Helicopters (MDH) – APSCON Booth #901 – has kicked off an STC project that will certify the use of a Rolls Royce 250-C30 engine in the MD 520N, …

In September 1992 a MD-520N set a Paris to London speed record of 1 hour 22 minutes 29 seconds. Certificated in more than 20 countries, the MD-520N is known as the Defender in its …