Russian Helicopters has delivered a Mi-171
helicopter with VK-2500-03 engines to an undisclosed Chinese civil
The VK-2500-03 engine, designed and supplied by
UEC-Klimov, is more powerful that the older TV3-117VM engine
series 02, especially when used in high altitude due to its
heat-resistant materials and improved design.
The BARK-78 digital automatic control system also
gives more detailed control over the engines and their different
modes, and generally simplifies their operation.
The VK-2500-03 engines ensure higher load capacity
and increases the operational and hovering ceiling.
"The key advantages of the helicopter, high
thrust-to-weight ratio and operational safety in mountainous
regions, caught the attention of potential buyers in the end of
2018, when Mi-171 was demonstrated in China", pointed out Leonid
Belykh, Managing Director of U-UAZ. "Chinese Civil Aviation
Administration and leadership of the Ministry of Emergency
Situations were impressed by the helicopter's capabilities for
transporting goods on an external sling, emergency response, as
well as for the ability to quickly load and unload of rescue and
There are currently about 200 Mi-171 helicopters
in operation in China.