This engine is intended for civil helicopters.
Compared with helicopters powered by TV2-117 engines, TV3-117VMA-SBM1V engines can keep their power up to high environment temperatures and high altitudes of location and flight.
2.5-minute power setting provides safe helicopter take off and landing with one engine inoperative (OEI).
Main advantages of the engine:
increased power maintained in hot and high conditions;
long service life;
easy in-service maintenance;
stable operation under conditions of heavy smoke and dust;
low cost of life cycle.