production machine, with the undercarriage of an Mi-6 fitted with fairings and spats, as well as a tail bumper to reduce the risk of damage to the rear fuselage on landing. World recordsData from:Mil's heavylift helicopters : Mi-6, Mi-10, V-12 and Mi-26 The Mi-10R has held seven world records, none of which are still current, in the FAI E1 General class for rotorcraft powered by turbine engines. Variantsizdeliye 60: Product / article number. V-10Prototypes of the Mil Mi-10 helicopter. Mi-10Initial standard long-legged production helicopter Mi-10GR A single production Mi-10 fitted with Grebeshok (Comb) direction finding equipment, for ELINT (Electronic Intelligence) duties, in a pod slung between the undercarriage legs. Mi-10K (K - korotkonogiy - short legged) (NATO - Harke-B) Flying crane helicopter with short-legged narrow-track undercarriage and a ventral gondola for a second pilot. Mi-10RVK (RVK - raketno-vertolyotnyy kompleks - heliborne missile system) Numerous variations of heliborne missile systems were envisaged, but only the 9K74 (aka S-5V) system reached the flight test stage. Missiles on launchers were carried complete with tractor units to be deployed on landing. Due to the increased take-off weight of , the VRK was fitted with low-pressure tyres. Development was abandoned when the 4K95 cruise missile element was discontinued. Mi-10PP (PP - Postanovschik Pomekh jammer) ECM (Electronic Counter-Measures) helicopter, preferred military alternative designation. Mi-10P Company / government designation for the ECM Mi-10PP. Mi-10R (R - - records) (NATO - Harke-A) A single standard production model fitted with a conventional undercarriage taken from the Mi-6 modified with spats and fairings, as well as a twin wheeled tail bumper. Some Western sources erroneously cite this aircraft as the Mi-10K. Mi-10UPL (universal'naya polevaya laboratoriya'' universal mineral laboratory) A single prototype modified to carry a detachable mobile laboratory module for ore analysis. Mi-10 flying crane A single prototype modified with Soloviev D-25VF engines, new equipment and an up-rated transmission system. Operators UTair Former operators Aeroflot Soviet Air Force Specifications (Mi-10) See also References Bibliography External links Mi-10 1960s Soviet military transport aircraft Mil aircraft 1960s Soviet helicopters Twin-turbine helicopters Aircraft first flown in 1960 Military transport helicopters