Very little is known as yet of the Mil Mi-14, a derivative of the Mi-8, which is now in service with the shore-based units of the Soviet Naval Air Force and in Libya. It appears to have been tested in the Soviet Union at the beginning of 1974, entering service in 1975, and is now in full-scale production. It differs from the Mi-8 in that it has a watertight hull with sponsons and marine-type rudders on either side of the aft portion, into which the rear landing gear units retract. A fairing for the search radar is fitted underthe nose, and a dipping sonar or magnetic anomaly detector beneath the root of the tail boom. In all probability, the Mi-14 can be used for over-the-horizon target designation, guidance of surface-to-surface missiles and for search and rescue. It probably has a bomb bay for antisubmarine torpedoes, depth charges and other weapons.
G.Apostolo "The Illustrated Encyclopedia of Helicopters", 1984
The Mi-14, allocated the NATO reporting name 'Haze', is an amphibious version of the Mi-8 intended to replace the Mi-4 in the ASW and mine counter-measure roles with the Soviet navy. The prototype, designated V-14, was first flown in September 1969 with a redesign watertight hull and sponsons containing fuel and a retractable undercarriage to confer water stability. Using the twin powerplants and rotor system of the Mi-17, the 'Haze' went into service in 1977 and has become the basic shore-based helicopter with the Soviet navy for use in three distinct roles. Although amphibious, the Mi-14 is, like its Sea King counterpart, only intended for occasional operations from water. By 1991, about 230 had been delivered, with exports to Bulgaria, Cuba, East Germany, North Korea, Libya, Poland, Romania, Syria and Yugoslavia.
M-14PL'Haze-A': basic ASW version equipped with dunking sonar and search radar
Mi-14PW: Polish designation of 'Haze-A'
Mi-14BT'Haze-B': mine countermeasures version
Mi-14PS 'Haze-C: search and rescue version fitted with two searchlights in nose, a sliding double door on the port side alongside a retractable hoist capable of lifting three persons in a basket
D.Donald "The Complete Encyclopedia of World Aircraft", 1997
NATO reporting name: Haze
TYPE: Twin-turbine shore-based amphibious helicopter.
PROGRAMME: Development of Mi-8; initially designated V-8G; prototype SSSR-11051 first flew September 1969, under designation V-14 and with Mi-8 power plant; changed to TV3-117M engines for production.
Mi-14BT (buksir-tralschik) ('Haze-B'): Mine countermeasures version; fuselage strake, for hydraulic tubing, and air conditioning pod on starboard side of cabin; no MAD; container for searchlight, to observe MCM gear during deployment and retrieval, under tailboom forward of Doppler box.
Mi-14GP (gruzo-passazhirskyi): Conversion by Konvers Avia of military variants for civil use as cargo/passenger combi aircraft; 24 seats or 5,000kg payload. Two 1,434kW TV3-117M turboshafts.
Mi-14P (passazhirskyi) : Conversion of military variants for civil use as passenger aircraft by Konvers Avia; 24 seats or 5,000kg payload. Two 1,434kW TV3-117M turboshafts.
Mi-14PL (protivo-lodoctinyi) ('Haze-A'): Basic ASW version; four crew; large undernose radome; OKA-2 retractable sonar in starboard rear of planing bottom, forward of two probable sonobuoy or signal flare chutes; APM-60 towed Magnetic Anomaly Detection (MAD) bird stowed against rear of fuselage pod (moved to lower position on some aircraft); weapons include one AT-1 ASW or APR-2 torpedo, one 1kT 'Skat' nuclear depth bomb or eight PLAB-250, PLAB-50-64 or PLAB-MK depth charges or OMAB-25-120 or OMAB-MK in enclosed bay in bottom of hull; VAS-5M-3 liferaft (in all versions).
Mi-14PL 'Strike': Subvariant with provision for Kh-23 (AS-7 Kerry) air-to-surface missiles. Tested from 1983.
Mi-14PLM (protivo-lodochnyi mod) ('Haze-A'): As Mi-14PL, but with updated equipment including rescue basket.
Mi-14PS (poiskovo-spasatelnyi) ('Haze-C'): Search and rescue version, carrying 10 20-person liferafts; room for 10 survivors in cabin, including two on stretchers; provision for towing many more survivors in liferafts; fuselage strake and air conditioning pod as Mi-14BT; double-width sliding door at front of cabin on port side, with retractable rescue hoist able to lift up to three persons in basket; searchlight each side of nose and under tailboom; three crew.
Mi-14PW: Polish designation of Mi-14PL.
Mi-14PX: Single Polish Mi-14PL converted for SAR training. With all portable ASW equipment removed, extra liferafts and sponson-mounted searchlights.
Mi-14PZh Eliminator III: Firefighting conversion.
CUSTOMERS: At least 250 delivered.
DESIGN FEATURES: Developed from Mi-8; power plant and dynamic components as Mi-17; new features include boat hull, sponson carrying inflatable flotation bag each side at rear and small float under tailboom; fully retractable landing gear with two forward-retracting single-wheel nose units and two rearward-retracting twin-wheel main units.
POWER PLANT: Two 1,434kW Klimov TV3-117MT turboshafts, with special anti-corrosion finish.
AVIONICS: (Mi-14PL): Comms: R-842-M HF transceiver, R-860 VHF transceiver, SBU-7 intercom.
Jane's Helicopter Markets and Systems
Technical data for Mi-14
Engine: 2 x Klimov TV3-117MT turboshaft, rated at 1400kW, main rotor diameter: 21.29m, fuselage length: 18.38m, height: 6.93m, take-off weight: 14000kg, empty weight: 11750kg, max speed: 230km/h, cruising speed: 215km/h, service ceiling: 3500m, range with max fuel: 1135km