The Russian Helicopters
Mi-171A2 is powered by FADEC equipped Klimov VK2500 turboshafts, a KBO-17 integrated avionics suite and a new tail rotor. The helicopter has a more efficient X-shaped steering screw and a new rotor with composite blades and an improved aerodynamic profile.
A standard Mi-8/17 was used as flying laboratory
. The first prototype performed maiden flight on November 25, 2014.
One prototype involved in accident
on August 2018.
The first foreign operator of Mi-171A2 was the Republic of Kazakhstan.
Offshore variant developed as Mi-171A3