It is used for installation in transport helicopters. The engine features a single-shaft gas generator and free turbine. It maintains the power at high ambient air temperatures, high airfield altitude and high flight altitude. The takeoff power is 1,500 hp. The 2.5-min. power rating ensures safe takeoff and landing of the helicopter with one engine inoperative.
Main advantages of the engine:
high reliability;
increased power maintained in hot and high conditions;
low SFC;
long service life;
easy in-service maintenance;
high repairability;
stable operation under conditions of heavy smoke and dust;
low cost of life cycle.