MD Helicopters MD 520N
Light Utility Helicopter
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).
| Crew | 1 / 2 | |
| Passengers | 3-4 | |
| Propulsion | 1 Turboshaft Engine | |
| Engine Model | Allison / Rolls-Royce 250-C30 | |
| Engine Power | 485 kW | 650 shp |
| max. Cruise Speed | 230 km/h | 124 kts 143 mph |
| max. Speed (vne) | 282 km/h | 152 kts 175 mph |
| Service Ceiling | 6.096 m | 20.000 ft |
| Rate of climb | 583 m/min | 1913 ft/min |
| Range | 489 km | 264 NM 304 mi. |
| Empty Weight | 719 kg | 1.585 lbs |
| max. Takeoff Weight | 1.519 kg | 3.350 lbs |
| Rotor Blades (main/tail) | 5/NOTAR | |
| Main Rotor Diameter | 8,33 m | 27 ft 4 in |
| Rotor Disc Area | 54,5 m² | 587 ft² |
| Length (Fuselage) | 7,62 m | 25 ft 0 in |
| Length | 8,69 m | 28 ft 6 in |
| Height | 2,74 m | 8 ft 12 in |
| First Flight | 17.12.1981 | |
| Production Status | in production | |
| Developed from | MD Helicopters MD 500 | |
| ICAO Code | MD52 | |
| Data for (Version) | MD Helicopters MD 520N | |