Ilyushin Il-78 Explained

The Ilyushin Il-78 (Russian: Илью́шин Ил-78; NATO reporting name Midas) is a Soviet/Russian four-engined aerial refueling tanker based on the Il-76 strategic airlifter.[1]

Design and development

The Soviet Union's first dedicated tanker aircraft were variants of preexisting bombers, like the Tupolev Tu-16 and Myasishchev M-4. Their performance was deemed insufficient, especially so since new bomber models were slated to enter service (the Tupolev Tu-22M and the Tupolev Tu-160). In 1968, the development of a new tanker began, based on the Ilyushin Il-76. Its performance was insufficient for use as a tanker: it could only transfer less than 10 tonnes of fuel to other aircraft. Instead of the basic Il-76, the improved Il-76MD version was chosen as the basis for the new tanker, named Il-78, owing to its higher fuel capacity.[2] The Il-78 tanker was developed and designed in the Ilyushin Aviation Complex in the Soviet Union.[3] The Il-78 made its first flight on 26 June 1983, and entered service in June 1987. Meanwhile, work on a version with a higher fuel capacity began. This version, the Il-78M, first flew on 7 March 1987. In total, 32 Il-78s, 13 Il-78Ms and a single Il-78E (a version exported to Libya) were built at the Tashkent Aviation Production Association, from 1984 to 1993.[2]

Taking the Il-76MD as its basis, the Il-78 airframe retains its general configuration. The tail turret is removed, and an air refuelling operator is situated in the rear gunner's position. Three aerial refueling pods are added: one under each wing, and one fixed to the rear fuselage. The basic Il-78 use three UPAZ-1 pods, while the Il-78M uses two UPAZ-1s under the wings, and one UPAZ-1M on the rear fuselage (the UPAZ-1M has a superior fuel transfer rate). The underwing pods are used to refuel tactical aircraft, while the fuselage pod is used for heavier aircraft. The Il-78 uses the probe-and-drogue refueling method. The Il-78 can transfer fuel from its internal tanks, and two removable tanks located in the cargo hold. The Il-78M has three fixed tanks in its cargo hold. The basic Il-78 can transfer a maximum of 57.7 tonnes of fuel (internal tanks only) or 85.7 tonnes with the additional tanks, while the Il-78M can transfer 105.7 tonnes.[2]

Variants

Il-78: Original production version based on the Il-76MD. With the additional fuel tanks removed, the Il-78 can serve as a regular cargo aircraft.
  • Il-78M: The Il-78M entered service in 1987 as a dedicated tanker equipped with three permanent fuselage tanks, a higher gross weight of 210 tonnes, and no cargo door or cargo handling equipment. The cargo ramp is retained but non-functional. Total fuel capacity is 138 tonnes (303,600 lb), of which 105.7 tonnes (232,540 lb) is transferable.[4]
  • Il-78-2: Modernization of Il-78/78M aircraft, using same parts as used in newly produced Il-78M-90A and Il-76MD-90A variants, to enhance service life from 30 to 40 years. The cockpit equipment is modernised, and flare launchers are installed. The aircraft have three UPAZ-1M air refuelling pods. The first modernized aircraft was rolled out on 25 August 2019.[5]
  • Il-78M-90A (Il-478): An upgraded variant based on the Il-76MD-90A. First prototype was rolled out on 29 November 2017,[6] and performed its maiden flight on 25 January 2018.[7] On December 12, 2020, an order for 10 Il-78M-90As was signed, with the serial production starting in 2021.[8]
  • Il-78E: Export version of the Il-78. One example built for Libya.
  • Il-78MKI: Export version for India. Six aircraft were ordered in 2002, built at the Tashkent Aviation Production Association plant using unfinished airframes. Uses Cobham Mk.32B air refuelling pods, which allow to refuel both Russian-built and Western aircraft.
  • Il-78MP: Multi-role aerial refuelling tanker/transport aircraft, with removable fuel tanks in cargo hold and three UPAZ-1 refuelling pods, for the Pakistan Air Force.[9] [10]
  • Refueling capability

    Transferable Fuel Load in tons[11] [12] [13]
    DistanceIl-78Il-78M
    1000 km4274
    2000 km2456
    3000 km1540

    Operators

    Current operators

    Former operators

    Libya

    References

    Bibliography

    External links

    Notes and References

    1. Web site: Il-78 | OJSC "Ilyushin Aviation Complex" . Ilyushin.org . 2022-04-04.
    2. Web site: [Actu] L'Ilyushin IL-78 Midas ]. Red Samovar . 18 June 2021.
    3. Web site: IL-78 Midas Air-to-Air Refuelling / Transport Aircraft . Airforce Technology . 27 December 2018 . https://web.archive.org/web/20180723200325/https://www.airforce-technology.com/projects/ilyushin-il-78/ . 23 July 2018 . live . dmy-all .
    4. Book: Yefim . Gordon . Dmitriy . Kommissarov . Ilyushin Il-76, Russia's Versatile Airlifter. 2002. Midland. 1-85780-106-7.
    5. Web site: Первый модернизированный самолет-заправщик Ил-78М2. bmpd.livejournal.com. 25 August 2019. 25 August 2019.
    6. Web site: bmpd . 2017-11-30 . V Ulyanovske vykachen pervy samolet-sapravshchik Il-78M-90A . ru:В Ульяновске выкачен первый самолет-заправщик Ил-78М-90А . The first tanker aircraft Il-78M-90A was rolled out in Ulyanovsk . 2023-05-04 . bmpd.
    7. News: The maiden flight of the new Ilyushin Il-78M-90A aerial refuelling tanker for the Russian Aerospace Forces (VKS) took place on 25 January. The 35-minute flight took place out of the Aviastar-SP production facility located in Ulyanovsk, approximately 600 km east of Moscow. . . Russia marks maiden flight of Il-78M-90A tanker . Gareth . Jennings . January 26, 2018 . January 29, 2018 . https://web.archive.org/web/20180201020921/http://www.janes.com/article/77387/russia-marks-maiden-flight-of-il-78m-90a-tanker . February 1, 2018 . dead . mdy-all .
    8. Web site: Russian Defense Ministry Signs Contract to Get 10 Modern Tanker Planes - Deputy Minister.
    9. News: Pakistan Eyes Boost in Transport, Lift. Usman. Ansari. 3 November 2008. Defense News.
    10. News: Pakistan Receiving IL-78 Refuelling aircraft. 2008-12-08. Defense Industry Daily. 2009-07-24. https://web.archive.org/web/20100415005353/http://www.defenseindustrydaily.com/Pakistan-Receiving-IL-78-Refueling-aircraft-05191/. 2010-04-15. live.
    11. Web site: ОАК-Транспортные самолеты - САМОЛЕТ ТОПЛИВОЗАПРАВЩИК Ил-78М-90 . 2012-11-02 . dead . https://web.archive.org/web/20131024002124/http://uac-ta.ru/productsall/2009-11-02-11-30-36/-78.html . 2013-10-24 .
    12. Web site: Ил-78МКИ - ОАО "Ил". ilyushin.org. 2 August 2016. https://web.archive.org/web/20160712183053/http://www.ilyushin.org/aircrafts/special_aircraft/319/. 12 July 2016. live. dmy-all.
    13. Web site: Ил-78 - ОАО "Ил". ilyushin.org. 2 August 2016. https://web.archive.org/web/20160712183045/http://www.ilyushin.org/aircrafts/special_aircraft/317/. 12 July 2016. live. dmy-all.
    14. Web site: World Air Forces 2018. Flightglobal Insight. 2018. 16 December 2018. https://web.archive.org/web/20171202153055/https://www.flightglobal.com/news/articles/analysis-world-air-forces-maintaining-strength-443655/. 2 December 2017. live. dmy-all.
    15. Web site: World Air Forces 2020. Flightglobal Insight. 2020. 23 February 2020.
    16. Web site: 43rd Center for Combat Employment and Retraining of Personnel DA. ww2.dk. 28 January 2019. https://web.archive.org/web/20180705065004/http://www.ww2.dk/new/air%20force/division/schools/43tsbppls.htm. 5 July 2018. live. dmy-all.
    17. Web site: 43rd Center for Combat Application and Training of Aircrew for Long Range Aviation. vitalykuzmin.net. 28 January 2019. https://web.archive.org/web/20190129181337/https://www.vitalykuzmin.net/Military/43TsBPiPLS/. 29 January 2019. live. dmy-all.
    18. Web site: 203rd Guards Orlovskiy Heavy Bomber Aviation Regiment. ww2.dk. 28 January 2019. https://web.archive.org/web/20181005012318/http://www.ww2.dk/new/air%20force/regiment/bap/203gvtbap.htm. 5 October 2018. live. dmy-all.
    19. Web site: 106th Heavy Bomber Aviation Division im. 60th anniversary SSSR. ww2.dk. 28 January 2019. https://web.archive.org/web/20130525100559/http://www.ww2.dk/new/air%20force/division/bad/106tbad.htm. 25 May 2013. live. dmy-all.
    20. Web site: 409th Aviation Regiment of tanker aircraft. ww2.dk. 28 January 2019. https://web.archive.org/web/20181017203303/http://www.ww2.dk/new/air%20force/regiment/bap/409apsz.htm. 17 October 2018. live. dmy-all.
    21. Web site: Судьба украинских самолетов-заправщиков Ил-78. bmpd.livejournal.com. 3 September 2016. 28 January 2019. https://web.archive.org/web/20171109161330/http://bmpd.livejournal.com/2102432.html. 9 November 2017. live. dmy-all.
    22. Web site: Ил-78 на Украине. airwar.ru. 28 January 2019. https://web.archive.org/web/20190129181510/http://www.airwar.ru/history/locwar/xussr/il78ukr/il78_ukraine.html. 29 January 2019. live. dmy-all.
    23. Web site: Il-78M Midas Ukraine. globalsecurity.org. 16 December 2018. https://web.archive.org/web/20181216074329/https://www.globalsecurity.org/military/world/ukraine/il-78.htm. 16 December 2018. live. dmy-all.
    24. Web site: N78GF Aircraft Registration. flightaware.com. 16 December 2018. https://web.archive.org/web/20181216074052/https://flightaware.com/resources/registration/N78GF. 16 December 2018. live. dmy-all.
    25. Web site: FAA Registry for N78GF . registry.faa.gov . 16 December 2018. https://web.archive.org/web/20181216120611/https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=78GF&x=0&y=0 . 16 December 2018. live. dmy-all.
    26. Web site: 2010-11-30 . Under the radar « FOCUS/midwest . 2022-03-10 . https://web.archive.org/web/20101130195614/http://focusmidwest.com/2010/05/07/under-the-radar/ . 30 November 2010 . dead.