Mil Mi-14

Mil Mi-14
Mi-14
Polish Navy Mil Mi-14PL in 2011
Role Anti-submarine helicopter
Manufacturer Mil Moscow Helicopter Plant
First flight September 1969
Introduction 1975
Status Active service
Primary users Soviet Naval Aviation
Russian Naval Aviation
Libyan Air Force
Developed from Mil Mi-8

The Mil Mi-14 (Russian: Миль Ми-14, NATO reporting name: Haze) is a Soviet anti-submarine helicopter which is derived from the earlier Mi-8.

Contents

Design and development

Formal development of an anti-submarine warfare (ASW) version of the Mil Mi-8 transport helicopter was authorised by the Soviet Communist Party Central Commitee and Council of Ministers in April 1965, with the objective of replacing the Mil Mi-4 in the short-range, shore based anti-submarine role. The new helicopter was required to have an endurance of 2 hours on station at a radius of 222 kilometres (120 nmi; 138 mi) from base.[1]

The new design (with the internal designation V-14) differed from the Mi-8 in having a boat-like hull similar to the Sea King, allowing it to operate off the water, and a retractable undercarriage,[N 1] with the mainwheels retracting into large sponsons on the rear of the fuselage. The helicopter was to be powered by two Klimov TV3-117MT turboshaft engines.[2] A watertight weapons bay is fitted to the centreline of the fuselage allowing internal carriage of a single torpedo or eight depth charges, while a radome housing a search radar is fitted beneath the nose.[3][2]

The first prototype V-14, converted from a Mi-8 and powered by the older and less powerful Klimov TV2-117 engines, flew on 1 August 1967.[2] Development was slowed by problems with the helicopter's avionics and due to reliability problems with the TV3-117 engines, with production at Kazan not starting until 1973, and the helicopter (now designated Mi-14) entering service on 11 May 1976.[2]

Variants

Georgian Mi-14
Polish Navy's Mi-14PŁ on display at Radom Air Show 2005
V-14
Prototype of the Mi-14 helicopter.[3]
Mi-14PL (NATO - Haze-A)
Anti-submarine warfare helicopter, equipped with towed APM-60 MAD, OKA-2 sonobuoys and a retractable Type 12-M search radar, armed with a single AT-1 or APR-2 torpedo, one Skat nuclear depth bomb, eight depth charges.[3][4] A single Mi-14PL was used to carry out trials with the Kh-23 (NATO designation AS-7 Kerry) air-to-surface missile but this modification does not seem to have entered service.[5]
Mi-14PLM
Improved anti-submarine warfare version with Os'minog ASW suite, with new search radar, dipping sonar and digital computer. Limited use.[6]
Mi-14PŁ/R
Polish conversion of two Mi-14PŁ (Polish designation for Mi-14PL) to search and rescue version, with ASW equipment removed, developed in 2010[7].
Mi-14BT (NATO - Haze-B)
Mine sweeping helicopter with SAW systems removed and equipped for towing Mine Countermeasures sleds. 25–30 built, with six exported to East |Germany and two to Bulgaria.[6]
Mi-14PS (NATO - Haze-C)
Search and rescue version with search lights and sliding doors with hoist.[8]
Mi-14PX
Search and rescue training helicopter for the Polish Navy (unofficial designation). One Polish Mi-17PŁ helicopter was temporarily converted into the Mi-17PX, then converted back in 1996[7].
Mi-14PZh
Amphibious firebuster version of Mi-14BT.[9] Conversion price about USD1M.
Mi-14PZh Eliminator III
Mi-14BT helicopters converted into fire fighting aircraft.
Mi-14GP
Conversion of Mi-14PL to 24–26 seat civil passenger transport.[9]
Mi-14P
24-seat civilian transport helicopter.
Mi-14 operators

Operators

Mi-14P.jpg

By 1991, about 230 had been delivered, with exports to many Soviet allies including Bulgaria, Cuba, East Germany, North Korea, Libya, Poland, Syria and Yugoslavia.

Current operators

 Bulgaria
 Cuba
  • Cuban Air Force (4)
 Ethiopia
 Georgia
 Libya
Libya Anti-Gaddafi forces
 North Korea
  • North Korean Air Force (10)
 Poland
 Romania
  • Romanian Navy
 Russia
 Syria
 Ukraine

Former operators

 East Germany
  • East German Air Force- passed on to successor states
  • Volksmarine -
 Soviet Union
  • Soviet Air Force - passed all their helicopters to successor states - Russia and Ukraine.
  • Soviet Naval Aviation -
 Yugoslavia

Specifications (Mi-14PL)

Data from Jane's All The World's Aircraft 1992-93[10]

General characteristics

  • Crew: 4
  • Length: 18.38 m (60 ft 3 in)
  • Rotor diameter: 21.29 m (69 ft 10 in)
  • Height: 6.93 m (22 ft 9 in)
  • Disc area: 356 m² (3,832 ft²)
  • Empty weight: 11,750 kg (25,900 lb)
  • Max takeoff weight: 14,000 kg (30,865 lb)
  • Powerplant: 2 × Klimov TV3-117MT turboshafts, 1,454 kW (1,950 shp) each

Performance

Armament

See also

Related development
Aircraft of comparable role, configuration and era

References

  1. ^ The first retractable undercarriage to be used in a Soviet helicopter.[2]
  1. ^ Mladenov Air International March 2001, pp. 184–186.
  2. ^ a b c d e Mladenov Air International March 2001, p. 186.
  3. ^ a b c Gunston 1995, p. 238.
  4. ^ Mladenov Air International March 2001, pp. 187–188.
  5. ^ Mlandenov Air International March 2001, p. 188.
  6. ^ a b Mladenov Air International April 2001, p. 244.
  7. ^ a b c Adam Gołąbek, Andrzej Wrona, Śmigłowce Mi-14PŁ/R w służbie, in: Lotnictwo Nr. 7/2011, pp. 40-47 (in Polish).
  8. ^ Mladenov Air International April 2001, p. 245.
  9. ^ a b Mladenov Air International April 2001, p. 246.
  10. ^ Mark Lambert, ed (1992). Jane's All The World's Aircraft 1992–93. Coulsdon, Surrey, UK: Jane's Information Group. ISBN 0-7106-0987-6. 
  • Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875–1995. London: Osprey. ISBN 1 85532 405 9. 
  • Mladenov, Alexander. "Cutting through the Haze". Air International (March 2001): pp. 184–188. ISSN 0306-5634. 
  • Mladenov, Alexander. "Cutting through the Haze: Part 2". Air International (April 2001): pp. 244–247. ISSN 0306-5634. 

The initial version of this article was based on material from aviation.ru. It has been released under the GFDL by the copyright holder.

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