- Soko J-22 Orao
name = J-22 Orao
type = Fighter bomber
first flight = November 1976
introduced = 1978
number built =
unit cost =
primary user =
SFR Yugoslav Air Force
more users =
Serbian Air Force
variants with their own articles =
The Soko J-22 Orao ("Eagle") is a twin-engined, subsonic, close support, ground attack and tactical reconnaissance aircraft, with secondary capability as low level interceptor. It was built as a single-seat main attack version or as a combat capable two-seat version for advanced flying and weapon training. It was developed as a joint Yugoslav-Romanian project in the 1970s for the air forces of both nations,
SOKObuilding it in Yugoslavia, and Industria Aeronautică Românăas the IAR-93in Romania.
20 May 1971, the governments of Romania and Yugoslavia signed an agreement for the formation of YuRom, a joint R&Dventure. The program was headed by Dipl. Dr. Engineer Teodor Zanfirescu of Romania and Colonel Vidoje Knezević of Yugoslavia. The aircraft was intended as a replacement for the lightly armed Soko J-21 Jastreb("Hawk") and the Republic F-84 Thunderjet, then in the JNA arsenal.
The requirements called for a light aircraft to be built on a simple structure, using locally produced equipment and avionics (but compatible with western components), tough (able to operate on grass or damaged runways), easy to maintain and reliable. The aircraft was of conventional twin-engine, high mounted wing monoplane configuration with all flying surfaces swept. The designers originally planned a single-engined supersonic aircraft, but Britain would not authorize the license for the engine the designers wanted (due to Romania being in the Warsaw Pact), so the less-powerful Rolls-Royce Viper was chosen as the powerplant, as Soko had experience with license-building this engine. It was originally intended that an afterburner would be developed for the Viper engines, but there were prolonged difficulties with this project, meaning that none of the pre-production aircraft featured it, and neither did early production examples. During the 1980s, both countries developed slightly different versions to take advantage of the after burning engines that had since become available.
The Yugoslav prototype 25002 made its first flight on November 1976 from
Batajnica Air Basenear Belgrade, with Major Vladislav Slavujević at the controls.
The third aircraft, numbered 003, a pre-production two-seater version, made its first flight on
4 July 1977, but was lost almost a year later due to tail flutter problems. However, construction continued, and the first batches of pre-production machines were delivered in 1978 to the Air Force Aircraft Testing Facility in Belgrade, with serial production being set-up in Mostar, Bosnia and Herzegovina.
22 November 1984, Orao 25101 piloted by test pilot Marjan Jelen broke the sound barrierin a shallow dive over Batajnica Air Base, becoming the first Yugoslav-designed aircraft to exceed Mach 1. The aircraft, however, is incapable of breaking the sound barrier in level flight, so it is classified as subsonic.
The J-22 is a twin-engined combat jet aircraft for close air support, ground attack and tactical reconnaissance warplane with limited air-defense capability
Standard communication and navigation equipment, plus (fire control and weapons management) Thompson-CSF VE-120T HUD replacing the original Ferranti ISIS D-282 gyro sight (defensive sensors and systems) Iskra SO-1 RWR and provision for up to three chaff/flare dispensers and P10-65-13 passive jammer pod, and (navigation) Honeywell SGP500 twin-gyro platform; there is also provision for an optical/IR reconnaissance pod or a optical reconnaissance/jammer pod
SFR Yugoslav Air Forceunit which received J-22 aircraft was the 351st (reconnaissance aviation squadron) from 82nd Aviation Brigade, Cerklje. Until the war, there were only three squadrons fully equipped with J-22 attack aircraft and NJ-22 trainer-attack aircraft. Those units were the 238th (fighter-bomber aviation squadron) from 82nd Aviation Brigade, 241st and 98nd Aviation Brigade, Skopski Petrovac and 242nd and 127th Fighter-Bomber Regiment, Golubovci Airbase. There were also about three squadrons partly equipped with J-22 aircraft.
At the beginning of the Yugoslav wars, in
Slovenia, J-22s flew over in a show of force, but did not drop any bombs. The first offensive action by the J-22 was in 1991 when the Yugoslav National Army used them to strike targets in Croatia. They were used in attacks on arms dealers which were smuggling weapons into Croatia. During the first year of war only three J-22's were shot down, NJ-22 No.25508 flown by Lieutenant ColonelMuse Begić who ejected safely and J-22 No.2512? flown by MajorZ.Tomić ( KIA) from 238th After the withdrawal of the JNAfrom Slovenia, 82nd Aviation Brigade was relocated from Cerklje to Banja LukaZalužani air base. In 1992 when the Bosnian warstarted, the JNA left one squadron of J-22's to Republika Srpska Air Force. That squadron was the 238th nicknamed the "Risovi Vrbasa" (Vrbas Lynxes). Those aircraft were used in few combat operations at the beginning of war.
In 1999, Yugoslav J-22s saw limited combat against the KLA flying 20 combat missions at treetop level with no air-to-air losses to NATO aircraft. However, one J-22 was lost in an accident, hitting a hillside in Kosovo. In addition, eleven aircraft were destroyed on the ground, most at Ponikve airbase when a NATO air strike hit one hangar with six J-22 and two
MiG-21aircraft which have remained buried.
;IJ-22 Orao 1:This designation is applied to the 15 Yugoslav-built pre-production aircraft (including a few completed to INJ-22A Orao two seat standard) with the non-afterburning powerplant and used for the tactical reconnaissance role with a centerline pod carrying optical and/or IR sensors. In other respects, the IJ-22A Orao 1 differs from the J-22B Orao 2 in details such as its powerplant of two Viper Mk 632-41R turbojets each rated at 17.79 kN dry and supplied with fuel from an internal weight of 2,360 kg, length of 14.90 m including probe for single seat model or 15.38 m including probe for two-seat model, wheel base of 5.40 m for single-seat model or 5.88 m for two-seat model, empty equipped weight of 5,755 kg, normal takeoff weight of 8,500 kg with reconnaissance pod, maximum take-off weight of 9500, maximum level speed ‘clean’ of 1,033 km/h at 8,000 m and 1,050 km/h at sea level, maximum rate of climb at sea level of 2,280 m per minute, climb to 6000 m in 3 minutes 12 seconds, and service ceiling of 13,500 m.;J-22A Orao 1:This is the Yugoslav variant equivalent to the IAR-93A with a non-afterburning powerplant of two Orao/Turbomecanica (Rolls-Royce/Bristol Siddeley) Viper Mk 632-41R turbojets each rated at 17.79 kN dry, but the larger and more diverse weapons load of the J-22B carried on that variant’s higher-rated hardpoints. The variant first flew in October 1983 and was built only in single-seat form.;J-22B Orao 2:This is the Yugoslav variant equivalent to the IAR-93B with an afterburning powerplant, integral wing tankage, the greater weapons load and diversity of the J-22A Orao 1, and Thomson-CSF HUD. The variant is being built only in single-seat form, and J-22A/B production will total 165 aircraft. Yugoslavia planned a major upgrade of its J-22 Oraos with a radar and a computer nav/attack system integrated via a MIL 1553B digital database, but the dissolution of Yugoslavia and the civil war of the early 1990s made this an unlikely happenstance.;NJ-22 Orao:This is the dedicated two- seat reconnaissance variant operated by the Yugoslav Air Force with provision for a reconnaissance pod (with optical and IR sensors) carried on the centerline hardpoint. The type first flew in July 1986, and 35 were delivered in NJ-22A Orao 1 and NJ-22B Orao 2 forms with non-afterburning and afterburning powerplants respectively.
Serbian Air Force- Currently operates 32 J-22's;flag|Republic of Srpska
* The Bosnian Serb Air force operated 7 J-22's aircraft until it was integrated into the
Armed Forces of Bosnia and Herzegovina. Aircraft are no longer in use.;YUG/flagicon|FR YugoslaviaYugoslavia
SFR Yugoslav Air Force/FRY Yugoslav Air Force
Most produced J-22 aircraft were withdrawn from use and 16 of them are currently owned by aviation museums [ [http://www.aeroflight.co.uk/waf/yugo/af2/types/soko_j22.htm "Serbia Air Force" entry at World Air Forces website] ] .
;Soko/CNIAR IJ-22 Orao 1:"25001", prototype preserved at MJV Museum in Belgrade.:"25710", preserved at Topola.:"25719", preserved at MJV Museum in Belgrade.:"25721", preserved at MJV Museum in Belgrade.:"25723", preserved at MJV Museum in Belgrade.:"25724", preserved at MJV Museum in Belgrade.
;Soko/CNIAR INJ-22 Orao 1:"25606", preserved at MJV Museum in Belgrade.
;Soko/CNIAR J-22 Orao 2:"25101", gate guard at Pančevo "UTVA" Aircraft Factory (first Orao which broke the sound barrier).:"25107", preserved at MJV Museum in Belgrade.:"25118", preserved at MJV Museum in Belgrade.:"25120", preserved at MJV Museum in Belgrade.:"25168", gate guard at Kraljevo-Lađevci Military Airbase.
;Soko/CNIAR NJ-22 Orao 2D:"25505", preserved at MJV Museum in Belgrade.:"25506", preserved at MJV Museum in Belgrade.:"25509", preserved at MJV Museum in Belgrade.:"25511", preserved at MJV Museum in Belgrade.
plane or copter?=plane
jet or prop?=jet
length main= 13.02 m
length alt= 42 ft 8 in
span main= 9.30 m
span alt= 30 ft 6 in
height main= 4.52 m
height alt= 14 ft 10 in
area main= 26.0 m²
area alt= 280 ft²
empty weight main= 5,750 kg
empty weight alt= 12,676 lb
loaded weight main=
loaded weight alt=
useful load main=
useful load alt=
max takeoff weight main= 10,900 kg
max takeoff weight alt= 24,030 lb
engine (jet)=Turbomecanica/Orao-built Rolls-Royce Viper Mk 632-47
type of jet=turbojets
number of jets=2
thrust main= 17.79 kN
thrust alt= 4,000 lbf
afterburning thrust main= 22.24 kN
afterburning thrust alt= 5,000 lbf
max speed main= 1,420 km/h (882 mph)
cruise speed main=
cruise speed alt=
stall speed main=
stall speed alt=
never exceed speed main=
never exceed speed alt=
range main= 1,320 km
range alt=825 miles
ceiling main= 15,000 m
ceiling alt= 49,210 ft
climb rate main= 5,340 m/min
climb rate alt= 17,520 ft/min
* 2 × 23 mm GSh-23L cannon
* Up to 2,800 kg (6,173 lb) of stores, including:
AGM-65 MaverickTV guided AGM
** Grom-1 Radio-guided AGM (based on Soviet
BL755 cluster bombs
** Durandal runway attack bomb
AMX International AMX
* Gunston, Bill. "The Encyclopedia of Modern Warplanes: The Development and Specifications of All Active Military Aircraft". New York: MetroBooks, 1995. ISBN 1-58663-207-8.
* Gunston, Bill. "Encyclopedia Of World Air Power". London: Crescent, 1987. ISBN 0-51749-969-X.
* [http://www.utvaaviation.co.yu/menu/orao_en.html Utva Aviation]
* [http://www.aeroflight.co.uk/waf/yugo/af2/types/soko_j22.htm "Serbia Air Force" entry at World Air Forces website]
* [http://www.incas.ro/english/departments/aviation%20programs/iar-93-eng.htm National Institute for Aerospace Research "Elie Carafoli"]
* [http://www.airserbia.com/karakteristike/J-22_Orao/index.htm AIRSERBIA - Serbian Aeronautical Information Network]
* [http://www.airliners.net/open.file/715528/M/ Soko J-22 Orao] at Airliners.net
* Photos at Avioni.net: [http://www.avioni.net/Slika_Detalj.asp?ID=2063 Orao in low level flight at Kecskemet airshow in 2005] , also here: [http://www.avioni.net/Slika_Detalj.asp?ID=1053 at Batajnica airport] , and here: [http://www.avioni.net/Slika_Detalj.asp?ID=1087 at Batajnica] .
* Photo at ABG (Avijacija Bez Granica): [http://www.avijacijabezgranica.com/Photos/Mjesecno/juni2005/imagepages/image273.html Orao NJ-22 in flight 1980's]
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