Mil Mi-17 / Mi-171

Medium Multi-Purpose Helicopter

Mil Mi-17 © Ondrej Smrtka
Photo ©: Ondrej Smrtka (Photos at
The Mil Mi-17 is a twin-engined medium utility helicopter developed by the Soviet manufacturer Mil OKB, today MIL Moscow helicopter plant, JSC (Russia).
The Mil Mi-17 is a development of the Mil Mi-8. The Mi-17 is as of today still in production.
Propulsion2 Turboshaft Engines
Engine ModelKlimow / Klimov TW3-117MT / TV3-117MT
Engine Power (each)1435 kW1924 shp
Speed250 km/h135 kts
  155 mph
Service Ceiling5.000 m16.404 ft
Range494 km267 NM
307 mi.
Empty Weight7.100 kg15.653 lbs
max. Takeoff Weight13.000 kg28.660 lbs
Rotor Blades (main/tail)5/35/3
Main Rotor Diameter21,10 m69,2 ft
Tail Rotor Diameter3,91 m12,8 ft
Rotor Disc Area349,7 m²3764 ft²
Length25,30 m83,0 ft
Height5,65 m18,5 ft
First Flight1975
Production Statusin production
Developed fromMil Mi-8
NATO CodeHip C