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MD Helicopters MD 520N, exterior
Light HelicopterOut of production

MD Helicopters

Passengers
4
Range
210 nm
Max cruise
123 ktas
Ceiling
20,000 ft

01 · Basic info

MD Helicopters MD 520N

The MD 520N is a single-engine light helicopter of the MD 500 family that uses the NOTAR anti-torque system instead of a tail rotor. It is powered by a Rolls-Royce 250-C20R/2 turboshaft and seats up to five including the pilot. The design reduces external noise compared with a conventional tail rotor.

Manufacturer
MD Helicopters
Class
Light Helicopter
Production
Out of production
First delivery
1991
Engines
1 × Rolls-Royce 250-C20R/2
MD Helicopters MD 520N, exterior
1 / 2

Photo: Bidgee · Wikimedia Commons · CC BY-SA 3.0 au

02 · Specifications

Technical data

Capacity

Flight crew
1
Seats (maximum)
4

Powerplant

Engines
1 × Rolls-Royce 250-C20R/2
Power (each)
450 shp

Weights

Max take-off weight
3,350 lb

Performance

Range
210 nm
Range conditions
5,000 ft, 3,350 lb (MD Helicopters)
Max cruise speed
123 ktas
Rate of climb
1,546 fpm
Service ceiling
20,000 ft

External dimensions

Height
8.8 ft
Main rotor diameter
27.4 ft

Manufacturer-published or publicly documented type data, for orientation only. Figures vary with configuration, serial number, modifications and operating conditions. Not for flight planning. Values not publicly documented are omitted.

03 · Cabin layout

Cabin plan & cross-section

Cross-section data not published

Cabin width

–

Cabin height

–

Cabin length 22.50 ft
Passenger cabinGalley / lavatoryBaggageEntrySchematic · indicative layout · not to scale
  • Club seating
  • Baggage

04 · Range map

Where the MD 520N can fly nonstop

RiyadhMumbaiCairoIstanbulNairobiMoscowNiceGenevaParisLondonSingaporeLagosHong KongJohannesburgDakarTokyoNew YorkSydneySão PauloMiamiLos AngelesBuenos AiresMexico City

Range shown

210 nm

Published OEM range (5,000 ft, 3,350 lb (MD Helicopters)): 210 nm. Great-circle distances, still air. Real-world range depends on payload, winds, temperature, routing and reserves, always confirm with a flight-planning study.

Nonstop from Dubai (DWC)

  • Riyadh461 nm
  • Mumbai1,044 nm
  • Cairo1,301 nm
  • Istanbul1,642 nm
  • Nairobi1,898 nm
  • Moscow2,004 nm
  • Nice2,588 nm
  • Geneva2,662 nm
  • Paris2,840 nm
  • London2,977 nm
  • Singapore3,160 nm
  • Lagos3,169 nm
  • Hong Kong3,211 nm
  • Johannesburg3,439 nm
  • Dakar4,084 nm
  • Tokyo4,305 nm
  • New York5,951 nm
  • Sydney6,502 nm
  • São Paulo6,580 nm
  • Miami6,810 nm
  • Los Angeles7,240 nm
  • Buenos Aires7,365 nm
  • Mexico City7,769 nm

Aircraft acquisition

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