Kamov Ka-25

The Kamov Ka-25 (NATO reporting name "Hormone") was a naval helicopter, developed for the Soviet Navy in the USSR from 1958.

Variants

 * Ka-25BSh: Variant used in the anti-submarine warfare role, equipped with radar, dipping sonar and a towed MAD and armed with torpedoes and nuclear or conventional depth-charges.
 * Ka-25BShZ: Minesweeping variant, eight built.
 * Ka-25C: Little known upgrade.
 * Ka-25F: Proposed assault version in competition with the Mi-22 and the larger Mi-24. Modified with a glazed nose, cargo compartment with four doors, an under-fuselage turret with a GSh-23L and provision for up to six 9M17 Phalanga Anti-tank missiles or six UB-16 rocket launchers, each with 16 S-5 rockets or bombs.
 * Ka-25Ts: Over The Horizon targeting version for relaying data to cruise missiles launched from surface warships and submarines. Anti-submarine equipment, Electronic Surveillance Measures and weapons bay removed and larger radar scanner/reflector in a bulged radome under the nose. Also recognizable by the semi-retractable landing gear and a small cylindrical data-link antenna under the rear fuselage.
 * Ka-25K: Civilian flying crane helicopter with a gondola under the lengthened nose for controlling slung loads up to 2,000 kilograms (4,400 lb). Fitted with electrically de-iced rotor blades and optional seats for 12 passengers. A single prototype (SSSR-21110) flown in 1966.
 * Ka-25PS: SAR and transport version with no weapons bay, radome as Ka-25BSh. Normal equipment included seats for 12, rescue winch, provision for stretchers and auxiliary tanks. Optional equipment included a homing receiver, Electronic Surveillance Measures, searchlight and loudspeaker. Ka-25PS helicopters were usually painted red and white.
 * Ka-25T: Possibly misidentified or incorrect designation for Ka-25Ts OTH targeting relay aircraft.
 * Ka-25TL: Missile tracking version. Also known as the Ka-25TI and Ka-25IV.

Users

 * Bulgaria
 * Bulgarian Navy
 * India
 * Indian Naval Air Arm
 * Russia
 * Russian Naval Aviation
 * Soviet Union
 * Soviet Naval Aviation
 * Syria
 * Syrian Arab Navy
 * Ukraine
 * Ukrainian Navy
 * Vietnam
 * Vietnam People's Air Force
 * Vietnam People's Navy
 * Yugoslavia
 * Yugoslav Air Force

Related Development

 * Kamov Ka-20
 * Kamov Ka-27

Comparable Aircraft

 * Kaman SH-2 Seasprite
 * [{Westland WG-13 Lynx]]