The TV3-117V is a turboshaft engine designed for use in helicopters. It is known for its reliability and efficiency, making it suitable for various applications, including military and civilian aviation. The engine is part of the TV3-117 family, which has been widely used in several helicopter models. This engine features a two-shaft design, allowing for better performance and fuel efficiency. It is capable of producing around 1,700 to 2,000 horsepower, depending on the specific variant. The TV3-117V is often found in helicopters like the Mil Mi-8 and Mil Mi-17, contributing to their operational capabilities.