The advanced Mi-171M helicopter to be produced by JSC Ulan-Ude Aviation Plant (JSC U-UAP), which is a part of Russian Helicopters holding, now is officially named Mi-171A2.

The helicopter is being developed by JSC MMHP within the framework of the project, approved by the Russian helicopter building holding Russian Helicopters. Up to date the helicopter had just only designation code Mi-171M. The new aircraft is being developed on the basis of Mi-171A1 helicopter being produced by JSC U-UAP which is certified by ARIAC (Aviation Register of Interstate Aviation Committee) and CTA (Brazil) and is one of the most up-to-date helicopters in respect of safety level in the Mi-8/171 family.

It is planned to implement on the helicopter a more powerful engine unit, composite main rotor blades, reinforced transmission, X-type tail rotor, integrated flight and navigation system ("glass cockpit") and a number of other significant upgrades. Total of more than 80 various innovations will be introduced into the helicopter design, which will allow improving helicopter performance, enhancing maintenance system, reducing flight hour cost.

"Russian Helicopter" holding has completed Mi-171A2 upgraded helicopter technical image specification in November 2010; commercial and state operators of Mi-8/17 helicopters type took part in the development of this helicopter. This project began in 2009. It is planned to complete development works, tests and certification of the new helicopter by the end of 2013. Mi-171A2 helicopter is planned to be certified as per ARIAC airworthiness requirements. Certification of the helicopter in other countries also is planned.