The Mil Mi-8 (Russian: Ми-8, NATO reporting name: Hip) is a medium twin-turbine transport helicopter that can also act as a gunship. The Mi-8 is the world's most-produced helicopter,[1] and is used by over 50 countries. Russia is the largest operator of the Mi-8/Mi-17 helicopter.
The prototype V-8 was designed in 1960 based on the Mil Mi-4 with a larger cabin.[2] Powered by a 2,010 kW (2,700 shp) Soloviev turboshaft engine,[3] the V-8 was first shown on Soviet Aviation Day parade in July 1961.[4] The second prototype equipped with two 1,120 kW (1,500 shp) Isotov TV2 engines, made its first flight on 17 September 1962.[2] For the production version the rotor was changed from a four blades to five blades in 1964.[2] After a few changes it was introduced into the Soviet Air Force by 1967 as the Mi-8.
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There are numerous variants, including the Mi-8T which is armed with rockets and anti-tank guided missiles, in addition to carrying 24 troops. The Mil Mi-17 export version is employed by around 20 countries; its equivalent in Russian service in the Mi-8M series. The only visible difference between the mi-8 and mi-17 is that the tail rotor is on the starboard side (right side) of the mi-8, whereas in mi-17 it is on the left side. Also mi-17 also has some improved armour plating for its crew. The naval Mil Mi-14 and attack Mil Mi-24 are also derived from the Mi-8. The Mi-8 remains in production in 2009.
Serbian Mi-8T cargo helicopter
The Yugoslav Air Force bought 24 Mi-8T (Hip C) transport helicopters from May 1968 to May 1969 to equip two squadrons of the newly formed 119th transport regiment from Niš military airport, each squadron with 12 helicopters. Subsequently, from 1973 to the early 1980s, Yugoslavia purchased more Mi-8T helicopters to re-equip two squadrons of 111th regiment from Pleso military airport near Zagreb and the 790th squadron from Divulje military airport near Split, which was under the command of the Yugoslav Navy. In total, the Yugoslav Air Force received 92 Mi-8T transport helicopters from Soviet Union, known formally to the military as the HT-40, while local modification of several helicopters into electronic warfare variants produced the HT-40E. Some 40 helicopters were equipped for firefighting operations.
The Yugoslav Mi-8s' first combat operations were transport of army troops and federal police forces to border crossings in Slovenia on 27 June 1991. The members of Slovenian Territorial Defence fired Strela 2 MANPAD, and shot one helicopter down, killing all crew and passengers.
During combat in the winter of 1991 in Croatia and in the spring of 1992 in Bosnia and Herzegovina, Yugoslav People's Army used the Mi-8 fleet for evacutaion of injured personnel, transport of cargo and search and rescue of crews of aircraft forced down. As the most of flights were made behind the front, the Croatian forces were able to down only one helicopter, hit with small arms fire near Slavonski Brod on 4 October 1991.
After Bosnian Serbs declared their state in the spring of 1992, some former Yugoslav Air Force Mi-8s continued service in new armed forces. The inventory of the 82nd mixed helicopter squadron of 92nd aviation brigade of Army of Republika Srpska contains 12 Mi-8T helicopters which continued in service until Operation Koridor. During that period, the Republika Srpska Air Force lost 3 Mi-8 helicopters to enemy fire. Three helicopters painted in a blue and white colour scheme flew in the first part of 56th helicopter squadron of Krajina Milicija, using Udbina military airport in Lika as their main base. The Republika Srpska Air Force continued to operate 9 helicopters, albeit suffering problems with maintenance and spare parts, until it was formally disbanded in 2006.
On the other side, Mi-8 helicopters were also used as main air transport. Croatian National Guard obtained their first on 23 September 1991, near Petrinja, when a Yugoslav Air Force Mi-8 made an emergency landing after being damaged by small-arms fire. A further 6 Mi-8T and 18 Mi-8MTV-1 helicopters were bought from ex-Warsaw Pact countries during the war, but only 16 of those survived the war. The remaining Mi-8Ts were retired from service in the Croatian Air Force after the war, while the Mi-8MTVs continued their service in 20th Transport Helicopter Squadron, and 28th Transport Helicopter Squadron. The latter has been re-equipped with new Mi-171Sh helicopters bought from Russia.
The Army of the Republic of Bosnia and Herzegovina secretly obtained Mi-8T, Mi-8MTV and Mi-17 helicopters from various sources. Bad aircrew training cost Bosnian forces half of their helicopters. Two helicopters were shot down by Serbian air defences, one around Žepa, while one Mi-17 was shot down by 2K12 Kub M, killing the Bosnian Minister Irfan Ljubijankić, a few other politicians, and the helicopter's Ukrainian mercenary crew. A few Croatian Mi-8MTVs secretly supported Croatian Defence Council operations in Herceg Bosna. After the war, the Army of the Federation of Bosnia and Herzegovina operated the remaining 5 Mi-8MTV's and 1 Mi-8T in the Air Force and Air Defense Brigade of Armed Forces of Bosnia and Herzegovina.
Finally, the Macedonian Air Force bought 4 Mi-17V-1 in 1994 and 2 Mi-8MT helicopters in 2001 from Ukraine. They fly in the Transport Helicopter Squadron (ex 301. Transport Helicopter Squadron). One crashed, killing all 8 passengers and 3 crew members in an accident in January 2008. In May 2008 Macedonia acquired 4 additional Mi-171, purchased from Lithuania.
During the 1998-1999 Kosovo war, the Yugoslav Air Force used Mi-8s for transport of personnel and material to forces in otherwise-inaccessible mountain areas. Evacuation of injured personnel also occurred during the 1999 NATO bombing of Yugoslavia, flying at low altitude to avoid detection by NATO aircraft. Two Mi-17V helicopters which were secretly operated by the Unit for Special Operations post-1997 were also active during the Kosovan conflict. After the disbanding of the unit in 2003, the helicopters were transferred to Air Force.
Today the Serbian Air Force, successor of Yugoslav Air Force, operates between 6-8 Mi-8T and 2 Mi-17 helicopters in the 138th Mixed-Transport-Aviation Squadron of 204th Air Base and 119th Combined-Arms Helicopter Squadron (ex 199th regiment) of 98th Air Base.
Finnish Mi-8 in Hernesaari,
Helsinki, in 2005
The Finnish Defence Forces and the Finnish Border Guard have been using Mi-8s since the 1970s, with the Finnish Air Force receiving its first, serialed HS-2, on May 28, 1973, and the second, HS-1, on May 31, 1973. Six Mi-8Ts were obtained at first, followed by further two Mi-8Ts and two Mi-8Ps. Three of the helicopters were handed over to the Border Guard Wing. One of these was lost after sinking through ice during a landing in April 1982. It was soon replaced by a new Mi-8. After their Border Guard service, the helicopters were transferred to the civil register, but shortly thereafter to the Air Force. In 1997 it was decided that all helicopters, including the remaining five Mi-8Ts and two Mi-8Ps, should be transferred to the Army Wing at Utti. All Mi-8s have now been replaced with NH90 helicopters. One Mi-8 is on display at the Finnish Aviation Museum in Vantaa, and one is at the Päijänne Tavastia Aviation Museum in Asikkala, near Lahti. The two final Mi-8T machines were given to Hungary in 8/2011 with all remaining spare parts.
Between April and May 1986 many of these machines were used to drop radiation-absorbing materials into the 4th reactor of Chernobyl Nuclear Power Plant after the explosion. Most of them were severely irradiated and abandoned in the giant junkyard (so-called "machines cemetery") near Chernobyl. One crashed near the power plant after hitting the crane's lines; everyone onboard perished.
In Afghanistan, there are several civilian versions flying cargo contracts for the US Army.
On 4 December 2003 a Polish Mi-8 crashed near Piaseczno while carrying Prime Minister Leszek Miller, 10 other passengers and four crewmen. There were no fatalities. The cause of the accident was the icing of the engines. The pilot, Major Marek Miłosz was accused of causing the disaster, but he was found not guilty.
On 15 October 2006, India agreed to acquire 80 Mi-17 helicopters from Russia in a deal worth approximately US$662 million.[5]
On 19 July 2009 a Mil Mi-8 helicopter crashed at Kandahar Air Field during takeoff killing 16 aboard and injuring 5. The helicopter was owned by Vertikal-T, a Russian air transportation company.
On July 2, 2008, two Mi-17 were used to rescue 15 hostages during the Operation Jaque performed by the Colombian military.
For more information on Mi-8M series, see
Mil Mi-17.
- V-8 (NATO - Hip-A)
- The original single-engined prototype.
- V-8A
- A twin-engined prototype, featuring TV2-117 turboshaft engines, the prototype underwent further modifications during its life.
- V-8AT
- Prototype of the Mi-8T utility version.
- Mi-8 (NATO - Hip-B)
- Twin-engined prototype.
- Mi-8TG
- Conversion to operate on LPG gas.
- Mi-18
- Prototype design, a modification of the existing Mil Mi-8. Two Mi-8s were extended by 0.9 meters (3 ft), the landing gear made retractable, and a sliding door added to the starboard side of the fuselage. The Mi-18s were used in the Soviet invasion of Afghanistan, and later used as static training airframes for pilots of the Mi-8/17.
- Mi-8T (NATO - Hip-C)
- First mass production utility transport version, it can carry four UV-16-57 unguided rocket pods, (with S-5 rockets), on four weapons pylons on two sub-wings, and is armed with one or two side mounted PK machine guns.
- Mi-8TV
- Armed version of the Mi-8T.
- Mi-8TVK (NATO - Hip-E, aka Mi-8TB)
- Version used as a gunship or direct air support platform. Airframe modifications add 2x external hard points for a total of 6, and mount a flexible 12.7 mm (0.5-inch) KV-4 machine gun in the nose. Armament of 57 mm S-5 rockets, six UV-32-57 rocket pods, 551-lb (250-kg) bombs, or four AT-2 Swatter ATGMs.
- Mi-8TBK (NATO - Hip-F)
- Armed export version, fitted with six launch rails to carry and fire Malyutka missiles.
- Mi-8IV (NATO - Hip-G, a.k.a. Mi-9)
- Airborne command post version fitted with "Ivolga" system, characterized by antennas, and Doppler radar on tail boom.
- Mi-8PP (NATO - Hip-K)
- Airborne jamming platform with "Polye" (field) system. From 1980, the type was fitted with the new "Akatsiya" system and redesignated the Mi-8PPA. It is characterized by six “X”-shaped antennas on each side of the aft fuselage. Built to escort troop-carrying versions of this helicopter, and disrupt potentially-nearby SPAAG radars, such as those of the Flakpanzer Gepard.
- Mi-8PD
- Polish airborne command post version.
- Mi-8SMV (NATO - Hip-J)
- Airborne jamming platform with "Smalta-V" system, characterized by two small boxes on each side of the fuselage. Used for protection of ground attack aircraft against enemy air defenses.
- Mi-8VPK (NATO - Hip-D, a.k.a. Mi-8VzPU)
- Airborne communications platform with rectangular communication canisters mounted on weapons racks and with two frame-type arials above the rear fuselage.
- Mi-8AD
- Minelaying version with four VSM-1 dispensers. Each dispenser contains 29 cassettes KSO-1 with anti-personnel mines, for example 7,424 x PFM-1 or 464 x POM-2 or 116 x PTM-3.
- Mi-8AV
- Minelaying version with VMR-1 or -2 system for 64 or 200 anti-tank mines.
- Mi-8BT
- Mine-clearing version.
- Mi-8MB "Bissektrisa"
- Military ambulance version.
- Mi-8R (a.k.a. Mi-8GR)
- Tactical reconnaissance version with Elint system "Grebeshok-5".[6]
- Mi-8K
- Artillery observation, reconnaissance version.
- Mi-8TP
- Military staff transport version, fitted with improved radio equipment R-832 and R-111.
- Mi-8SKA
- Photo-reconnaissance version.
- Mi-8T(K)
- Photo-reconnaissance version.
- Mi-8TZ
- Fuel transport tanker version.
- Mi-8MTYu
- Only one was built and used by the Ukrainian Air Force, based at AB "Kirovskoe". Intended for detection of re-entry vehicles, and small surface targets. In the nose radar antenna.
Ukrainian Ministry of Emergency Situations Mi-8MTV-1 picking up water for
aerial firefighting purposes.
- Mi-8T (NATO - Hip-C)
- Civilian and military utility transport version, with accommodation for 24 passengers, fitted with tip-up seats along the cabin walls and circular cabin windows. The Mi-8T is powered by two 1,677-shp (1250-kW) Klimov TV2-117A turboshaft engines, giving the helicopter a maximum speed of 155 mph (250 km/h) at sea level.
- Mi-8P
- Civilian passenger transport version, with accommodation for between 28 and 32 passengers, fitted with square cabin windows, powered by two 1,700-hp (1268-kW) Klimov TV2-117A turboshaft engines.
- Mi-8S "Salon"
- Civilian VIP transport version, with accommodation for between 9 and 11 passengers, equipped with a galley and toilet.
- Mi-8MPS
- Search and rescue version (operated usually in Malaysia for Fire and Rescue Department services).
- Mi-8MA
- Polar exploration version for use in the Arctic.
- Mi-8MT
- Flying crane version.
- Mi-8AT
- Civilian transport version, fitted with two improved TV2-117AG turboshaft engines.
- Mi-8ATS
- Agricultural version, fitted with a hopper and spray bars.
- Mi-8TL
- Air accident investigation version.
- Mi-8TM
- Upgraded transport version, fitted with a weather radar.
- Mi-8TS
- Hot and high desert version.
- Mi-8VIP
- Deluxe VIP transport version, with accommodation for between 7 and 9 passengers.
- Mi-8PA
- Modified version for Japanese regulations. One only was built, in 1980. It was used by Aero Asahi for heavy material transport in a mountainous region. It was retired in 1993, and is exhibited in a museum.
Afghanistan- 65 have been acquired by the Afghan Air Force, with deliveries of 30 Mi-8 since 1971, and 35 Mi-17 since 1987.[7]
Albania- 1 Mi-8T was acquired by the Albanian Air Force in 1996 from Ukraine.[7]
Algeria
Angola
Armenia- 18 in service with the Armenian Air Force.[8]
Azerbaijan
Azerbaijan Air Force 13 in service.
Belarus
Bangladesh- 43 Mi-17s and some Mi-8/Mi-8 MTVs in service
Bhutan- 7 Mi-8s in service
Bosnia and Herzegovina- 9 Mi-8T, 2 Mi-8MTV-1 and 6 Mi-17 in service
Bulgaria- 18 Mi-8s in service
Burkina Faso- 3 Mi-8s in service
Canada- 6 Mi-8s leased for one year from Skylink Aviation[9]
Cambodia- 6 Mi-8/17s in service
Chad- 4 Mi-171sh in service
China- 250 Mi-8/17s in service. China purchased a small amount of Mi-8 helicopters in 1970s despite intense relationship with Soviet Union. In 1990s, China imported around 250 Mi-17 helicopters and deployed them to various PLA Amry aviation units. It is reported Mi-17s were not imported with full military equipments, some key accessories were installed to Mi-17s in China after delivery, such as rocket launchers and pylons.
Colombia- 30 Mi-17s in service
Croatia- 3 Mi-8T, 12 Mi-8MTV-1 and 10 Mi-8AMTSh in service
Cuba- 43 Mi-17s and some Mi-8/Mi-8 MTVs in service
Czech Republic- 40 Mi-8/17s in service
Democratic Republic of the Congo
Djibouti
East Germany- East German Air Force, Volksmarine
Ecuador
Egypt
Ethiopia- 12 Mi-8s in service
Finland
Germany- Ex-East Germany
Georgia- 18 Mi-8T/MTV helicopters in service
Ghana- Ghana Air Force
Guinea-Bissau- 1 Mi-8T in service
Hungary- Original total procured was 57. In 2008, the total comprised 8xP, 1xT and one Mi-9 Command version (now apparently out of Service). 2xT versions (ex Finland) procured in 8/2011.
Israel- 1 captured Egyptian helicopter
India- 134 Mi-8s in service of Indian Air Force
Iran- 52 Mi-8/17s in service
Kazakhstan
Kenya- Used by the police for patrols acquired second hand in 2001
Kyrgyzstan- 8 Mi-8s are in service
Laos
Latvia- 4 Mi-8/17MTV helicopters in service
Libya- 25 purchased from Russia
Lithuania- 5 Mi-8MTV in service
Macedonia- 9 in service of Macedonian Air Force ; 4 in service of police[citation needed]
Madagascar
Malaysia
Montenegro- 1 currently out of service
Mali- 1
Mexico
Moldova- 8 in service
Mongolia- Mongolian Air Force
Mozambique
Myanmar- 12 in service
Namibia
Nepal
Nicaragua- 4 in service
North Korea
Nigeria- 4 Mi-8s in service
Pakistan
Peru Peruvian army, Peruvian Navy, Peruvian Air Force, National Police of Peru
Poland- 66 Mi-8/17s: Polish Air Force, Polish Navy and Polish Land Forces[10]
Romania
Russia- Russian Air Force, Russian Naval Aviation and Russian Ground Forces. Between 195 and 600 Helicopters.
Rwanda
Saudi Arabia
Senegal
Serbia- 15 Mi-8s and 2 Mi-17s in service
Sri Lanka
Slovakia
Somalia
Soviet Union- Soviet Air Force, Soviet Army Aviation, Soviet Naval Aviation and USSR Border Troops. Passed on to successor states
Sudan
Syria- Syrian Air Force
Tajikistan
Turkmenistan
Uganda
Ukraine- Used by the Ukrainian Airmobile Forces, Ukrainian Air Force, Ukrainian Naval Aviation and Ukrainian Ground Forces Will produce/modernize own version - Mi-8MSB1
Uzbekistan
United States- Used by the 6th Special Operations Squadron for training
United Kingdom- 2 were in service to train Afghan pilots.[11] Transferred to Afghan Ministry of the Interior in March 2010.[citation needed]
Vietnam- 60+ Mi-8, 30 Mi-17
Yemen
Yugoslavia- Passed on to successor states
Zambia
- Azerbaijan
- Azerbaijan Airlines (Mi-8T)
- Canada
- Skylink Aviation
- Colombia
- Cuba
- Aerogaviota
- Czech Republic
- Mi-8 Aerocentrum
Estonia- Border Guard (retired), replaced by AW139.
- Germany
- German Police
- India
- Jagson Airlines
Malta- MAC (Malta Air Charter) which operated from the early 1990s to the end of 2004,
- Mongolia
- Mongolyn Alt (MAK) Corp (Mi-8T)
Maldives- 3 Mi-8s were used by Hummingbird Helicopters in the 1990s. 2 were operated by Seagull Helicopters.
New Zealand- Heli Harvest (2x Mi-8MTV-1) based in Taupo
- Peru
- 11 Mi-8 and 6 Mi-171 http://www.helisur.com.pe/ HELISUR Helicopteros del Sur Perú.
- Soviet Union
- Aeroflot
- Russia
Sierra Leone
- Tajikistan
- Slovakia
- Air Transport Europe
South Africa- UTAir S.A.
- Turkmenistan
- Turkmenistan Airlines
- United States
- Blackwater Worldwide
- Vietnam
- Vietnam Air Service Company[citation needed]
Data from Jane's All The World's Aircraft 1992-93[12]
General characteristics
- Crew: 3 (pilot, copilot, flight engineer)
- Capacity:
- 24 passengers or
- 12 stretchers and seat for 1 medical attendant or
- 3,000 kg (6,600 lb) on internal/external hardpoints
- Length: 18.17 m (59 ft 7 in)
- Rotor diameter: 21.29 m (69 ft 10 in)
- Height: 5.65 m (18 ft 6 in)
- Disc area: 356 m² (3,832 ft²)
- Empty weight: 7,260 kg (16,007 lb)
- Loaded weight: 11,100 kg (24,470 lb)
- Max. takeoff weight: 12,000 kg (26,455 lb)
- Powerplant: 2 × Klimov TV3-117Mt turboshafts, 1,454 kW (1,950 shp) each
- Fuel max total capacity: 3,700 l (977 US gal)
Performance
Armament
- Related development
- Aircraft of comparable role, configuration and era
- ^ MIL Moscow helicopter plant website: "Concerning the number of machines built, the Mi-8 has been surpassed only by the Bell 204/205/212 family of light utility helicopters"
- ^ a b c Donald, David, ed. "Mil Mi-8". The Complete Encyclopedia of World Aircraft. Barnes & Noble Books, 1997. ISBN 0-7607-0592-5.
- ^ Frawley, Gerald. "Mil Mi-8 & Mi-17". The International Directory of Military Aircraft, 2002/2003. Fishwick, Act: Aerospace Publications, 2002. ISBN 1-875671-55-2.
- ^ Jane's All The World's Aircraft. 1975-1976. p. 502. ISBN 0-354-00521-9.
- ^ [1]. Mosnews.com
- ^ http://www.16va.be/page_mi-8r.html
- ^ a b "Historical Listings", World Air Forces.
- ^ "World Military Aircraft Inventory", Aerospace Source Book 2009, Aviation Week & Space Technology, 26 January 2009.
- ^ http://www.theglobeandmail.com/servlet/story/RTGAM.20080807.wcopters0806/BNStory/National/home
- ^ Mil Mi-8 i Mi-17 w Wojsku Polskim, http://gdziewojsko.wordpress.com/listy/mi-8/
- ^ Richard Gardner (April 2010). "Boscombe Hip-Hop". Aerospace International (Royal Aeronautical Society) 37 (4): 16 & 21.
- ^ 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.
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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