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-engine helicopters with the speed, power, and efficiency of larger multi-engine models.
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. In total, 1,187 were produced until production ceased in 1997.