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 MD 500 was initially produced by Hughes Helicopters as the Hughes ...

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 conventional tail rotors with the NOTAR system, the margin of safety immediately increases for crew and aircraft, and the noise decreases; making it an ...

The MD 520N is a single-engine, high-performance light aircraft made by McDonnell Douglas. It was designed to be easy to maintain and economical to fly. The first prototype flew in 1973 and the first production model was delivered in 1975.

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 conventional tail rotors with the NOTAR® system, the margin of safety immediately increases for crew and aircraft, and the noise

Powered by a Rolls-Royce 250-C20R/2 turboshaft engine, the MD 520N offers a cruise speed of around 135 knots (155 mph) and a range of approximately 250 nautical miles. Its five-seat configuration provides flexibility for transporting passengers or cargo, while its maximum gross weight of 3,350 lbs allows for a useful load of about 1,500 lbs.

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, which features MDH’s patented NOTAR tailboom. STC certification is expected before the end of 2023 and MDH will license a select number of MDH Authorized ...

1992年3月5日 · Last September 17, the MD 520N became the first new helicopter in almost a decade to receive FAA type certification. It also became the first single- main-rotor helicopter without a tail rotor for antitorque and directional control to enter production.

The MD 520N is a light and versatile single engine helicopter which originated from a Light Observation Helicopter for the United States Army. The 520 N helicopter features a revolutionary NOTAR (No Tail Rotor) anti torque system.

The MD Helicopters MD 520N is a single-engine five-seat light utility helicopter produced by the US-American manufacturer MD Helicopters Inc..