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The following versions of the TV3-117 have been developed::

the TV3-117M engine (“M” stands for “marine”) for Mi-14 helicopters incorporates special features to be used at sea. Mass production started in 1976;
the TV3-117MT engine (“MT” stands for “modernized, transport”) was designed for Mi-8MT/Mi-17 helicopters and their versions. Mass production started in 1977;
the TV3-117KM engine (“KM” means Kamov, marine) was designed for Ka-27 helicopters;
the TV3-117V engine (“V” stands for “high altitude”) was designed for Mi-24 helicopters operated in the mountains (particularly in Afghanistan). Mass production started in 1980;
the TV3-117VK engine (“VK” stands for high altitude, Kamov) is a model similar to the TV3-117B engine but adapted to Ka-27, Ka-29 and Ka-32 helicopters. Mass production began in 1985. Export helicopter models were equipped with TV3-117VKR engines featuring a higher rated and cruising power (“VKR” stands for high altitude, Kamov, power); they were originally designed for Ka-28 machines;
the TV3-117VM engine (“VM” means high altitude, modernized) was designed for Mi-28 helicopters and later installed also on Mi-8MT/Mi-17 models. This engine features an automatic switch to emergency power. It was awarded type certificates by the IAC Aviation Registry, India, the Republic of China and the People’s Republic of China. Mass-produced since 1986;
the TV3-117VMA engine (“BMA” stands for high altitude, modernized, model “A”) was designed for Ka-50 helicopters. It is currently installed on Ka-27, Ka-29, Ka-31, Mi-24, Mi-28A/N and Ka-32 machines. This engine was awarded type certificates by the IAC Aviation Registry and by Transport Canada. Mass production started in 1986. Export models are equipped with TV3-117VMAR engines (an extra «R» stands for “power”) whose rated power and cruising power are similar to those of the TV3-117VKR engine;
the TV3-117VM series 02 engine is a version of TV3-117VM for Mi-8MT/Mi-17 civil helicopters. Type certificates for this engine were awarded by the IAC Aviation Register, India, the Republic of China and the People’s Republic of China. Mass production started in 1993;
the TV3-117VMA series 02 engine is a version of TV3-117VMA for Ka-32 civil helicopters. Type certificates for this engine were awarded by the IAC Aviation Register, Transport Canada and Switzerland. Mass production started in 1993;
the TV3-117VMA-CBM1 is a turboprop version for An-140 aircraft produced by the Antonov Company.
the TV3-117(A) is a turbojet engine for unmanned reconnaissance aircraft Reis and Reis-D developed by the Tupolev Design Bureau.
New VK-2500, VK-1500 and VK-1500V engines were developed in 2000-2003 on the basis of the TV3-117VM/VMA models.

SERVICE AND SUPPORT

The Klimov Company is the official supplier of any repair and maintenance services for all versions of TV3-117 engines in Russia. Klimov also retrofits these engines to convert one version into another.

FACTS

Installed on 90% of helicopters developed by Mil and Kamov Design Bureaus
25,000 units produced; total time in operation is 16 million hours
Developed in 1972
Power class - 2000-2400 hp