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 ModelKlimov 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)5/3
Main Rotor Diameter21,10 m69 ft 3 in
Tail Rotor Diameter3,91 m12 ft 10 in
Rotor Disc Area349,7 m3764 ft
Length25,30 m83 ft 0 in
Height5,65 m18 ft 6 in
First Flight1975
Production Statusin production
Developed fromMil Mi-8
NATO CodeHip C
Data for (Version)Mil Mi-17