“Mountain Helicopters” Group of Companies provides a full range of technical services, including operational, seasonal, special maintenance, as well as periodic maintenance and overhaul repairs for all Mil-family helicopters, such as Mi-2, Mi-8T, Mi-8MTV-1, Mi -8MTV-5, Mi-8AMT, Mi-171, Mi-171E, Mi-171A1, Mi-171A2, Mi-26T, IL-76 aircraft. We perform all these types of maintenance, including the Avionics and Radio Equipment Diagnistics and Repair and a baroscope either at the Bolbasovo Airfields own technical support service in hangars with all necessary test benches and all the necessary equipment, or at the operational points and airfields of temporary location of our customers.