- Major overhaul of helicopters;
- Overhaul of all helicopter systems;
- Overhaul of the main gearboxes, engines and APU`s;
- Overhaul of all transmission parts;
- Overhaul of all helicopter aggregates;
- Outdoor overhaul and repair works at helicopter destination — AOG service;
- Prolongation of life time and service life of the helicopter and components (in cooperation with the Mil design bureau).