MD Helicopters MD 520N

Light Utility Helicopter

MD Helicopters MD520N © Claude Sibenaler
Photo ©: Claude Sibenaler
The MD Helicopters MD 520N is a single-engine five-seat light utility helicopter produced by the US-American manufacturer MD Helicopters Inc..
The MD 520N is a development of the MD Helicopter MD 500E with NOTAR anti-torque system (NO TAil Rotor).
Crew1 / 2
Propulsion1 Turboshaft Engine
Engine ModelAllison / Rolls-Royce 250-C30
Engine Power485 kW650 shp
max. Cruise Speed230 km/h124 kts
  143 mph
max. Speed (vne)282 km/h152 kts
  175 mph
Service Ceiling6.096 m20.000 ft
Rate of climb583 m/min1913 ft/min
Range489 km264 NM
304 mi.
Empty Weight719 kg1.585 lbs
max. Takeoff Weight1.519 kg3.350 lbs
Rotor Blades (main/tail)5/NOTAR
Main Rotor Diameter8,33 m27 ft 4 in
Rotor Disc Area54,5 m587 ft
Length (Fuselage)7,62 m25 ft 0 in
Length8,69 m28 ft 6 in
Height2,74 m8 ft 12 in
First Flight17.12.1981
Production Statusin production
Developed fromMD Helicopters MD 500
Data for (Version)MD Helicopters MD 520N