|J-10 Vigorous Dragon
|J-10A seen at Zhuhai airshow.|
|Role||Multirole combat aircraft|
|Manufacturer||Chengdu Aircraft Industry Corporation|
|Designer||Chengdu Aircraft Design Institute|
|First flight||23 March 1998|
|Primary user||People's Liberation Army Air Force|
|Produced||2002 – present|
|Number built||270 As of August 2012[update]|
|Program cost||500 million RMB allocated in 1982 (Project #10)|
|Developed from||Chengdu J-9|
The Chengdu J-10 (simplified Chinese: 歼-10; traditional Chinese: 殲-10), export designation F-10 Vanguard) is a multirole fighter aircraft designed and produced by the People's Republic of China's Chengdu Aircraft Corporation (CAC) for the People's Liberation Army Air Force (PLAAF). Known in the West as the "Vigorous Dragon", the J-10 is a multirole combat aircraft capable of all-weather operation.
The program was authorized by Deng Xiaoping who allocated ¥ 0.5 billion to develop an indigenous aircraft. Work on Project #10 started several years later in January 1988, as a response to the Mikoyan MiG-29 and Sukhoi Su-27 then being introduced by the USSR. Development was delegated to the 611 Institute, also known as the Chengdu Aircraft Design Institute and Song Wencong was nominated as the chief designer, as he had previously been the chief designer of the J-7III. The aircraft was initially designed as a specialized fighter, but later became a multirole aircraft capable of both air to air combat and ground attack missions.
The J-10 bears some resemblance to the IAI Lavi and some news and technical articles have claimed that some of the Lavi's technology had been sold to China by the Israelis, these claims have been denied by both China and Israel. The general designer Song Wencong said that J-10 was a development of the indigenous J-9 which preceded the Lavi. This was echoed by a PLAAF's major Zhang Weigang in a 2012 interview.
In 2006, the Russian Siberian Aeronautical Research Institute (SibNIA) confirmed its participation in the J-10 program; SibNIA claimed to have only observed and instructed as "scientific guides", while its engineers also believed the J-10 was "more or less a version" of the Lavi design, incorporating "a melting pot of foreign technology and acquired design methods".
The J-10 was officially unveiled by the Chinese government in January 2007, when photographs were published by Xinhua News Agency. The aircraft's existence was known long before the announcement, although concrete details remained scarce due to secrecy. A J-10 prototype was speculated to have crashed during flight testing. Xinhua News Agency and the PLA Daily denied such rumors, and listed this as one of the test pilots' accomplishments.
The first aircraft were delivered to the 13th Test Regiment on 23 February 2003. The aircraft was declared 'operational' in December of the same year, after 18 years in development. The first operational regiment was the 131st Regiment of the 44th Division.
In February 2006, the then President of Pakistan, Pervez Musharraf, toured the J-10 and JF-17 production facilities on a trip to China during which the Pakistan Air Force (PAF) was offered the J-10, and the purchase of 36 FC-20s, a Pakistan-specific J-10B variant, was approved in April 2006. In November 2009, Pakistan signed a deal with China to buy 36 J-10B fighters in a deal worth around $1.4 billion. Deliveries to Pakistan were expected to begin from 2014–15 and the aircraft was to be designated as FC-20 in Pakistan.
In July 2011, Daily Jang reported that China will give a squadron of the advanced J-10B fighter aircraft to Pakistan. According to the report,"the offer was made by senior Chinese military leaders to visiting Pakistan Army's Chief of General Staff, Lt Gen Waheed Arshad". In March 2012, talks were held between the two countries to discuss the delivery of latest J-10B fighter jets to Pakistan.
|This section needs additional citations for verification. (March 2010)|
J-10 was designed by the Chengdu Aircraft Design Institute (CADI), a subsidiary of Chengdu Aircraft Corporation.
The airframe is constructed from metal alloys and composite materials for high strength and low weight, the airframe's aerodynamic layout adopts a "tail-less canard delta" wing configuration. A large delta wing is mid-mounted towards the rear of the fuselage, while a pair of canards (or foreplanes) are mounted higher up and towards the front of the fuselage, behind and below the cockpit. This configuration provides very high agility, especially at low speeds, and also reduces stall speed, allowing for a lower airspeed during instrument approaches. A large vertical tail is present on top of the fuselage and small ventral fins underneath the fuselage provide further stability.
A rectangular air intake is located underneath the fuselage, providing the air supply to the engine. Also under the fuselage and wings are 11 hardpoints, used for carrying various types of weaponry and drop-tanks containing extra fuel.
The cockpit is covered by a two-piece bubble canopy providing 360 degrees of visual coverage for the pilot. The canopy lifts upwards to permit cockpit entry and exit. The Controls take the form of a conventional centre stick and a throttle stick located to the left of the pilot. These also incorporate "hands on throttle and stick" (HOTAS) controls. A zero-zero ejection seat is provided for the pilot, permitting safe ejection in an emergency even at zero altitude and zero speed.
Due to the J-10's aerodynamically unstable design, a digital quadruplex-redundant fly-by-wire (FBW) flight control system (FCS) aids the pilot in flying the aircraft. The FCS typically monitors pilot control inputs, (similar in purpose to a high performance vehicle equipped with electronic stability control) preventing the pilot from accidentally exiting the flight envelope from applying too much control input during high performance flight situations. This is critical in canard wing aircraft, as they are capable of turning in a much tighter radius than conventional aircraft. The massive control surfaces are capable of moving so far that they can completely destroy the aircraft in flight at high airspeeds if not kept in check by the FCS.
At the 7th Zhuhai Airshow held in 2008, the original test pilot of J-10 program, Senior Colonel Lei Qiang (雷强) revealed to the public that due to the good aerodynamic design, J-10 is superior than Sukhoi Su-27 when performing Pugachev's Cobra, the maneuver Su-27 is most famous for. The reason for J-10 superior performance was because for Su-27, Pugachev's Cobra maneuver is depended on the speed, which limits the angle of attack it can pull, the slower the speed, the smaller the angle of attack. Pugachev's Cobra performed by J-10, on the other hand, was controlled by the pilot, who can achieve any angle of attack he/she wants, thanks to FBW FCS, which also set the maximum limit to prevent airframe damage due to the high g-force or for the pilot to lose consciousness at high speed.
The cockpit had three liquid crystal (LCD) Multi-function displays (MFD) along with a Chinese developed holographic head-up display (HUD), all of which are fully compatible with a domestic Chinese advanced helmet mounted sight (HMS), claimed by Chinese to be superior than the HMS on Sukhoi Su-27 sold to China.
According to Chengdu Aircraft Industry Corporation officials the J-10 uses a multi-mode fire-control radar designed in China. The radar has a mechanically scanned planar array antenna and is capable of tracking 10 targets. Of the 10 targets tracked, 2 can be engaged simultaneously with semi-active radar homing missiles or 4 can be engaged with active radar homing missiles.
The radar is believed to be designed by the Nanjing Research Institute of Electronic Technology (NRIET), designated KLJ-10 and a smaller variant is claimed to be installed on the JF-17 light-weight fighter. Believed to be based on technologies from Russia, Israel or a combination of both, the radar should be comparable to Western fighter radar designs of the 1990s. It may also be replaced by more advanced radars of other origin on export versions of the J-10. The Italian FIAR (now SELEX Galileo) Grifo 2000/16, has been offered to the Pakistan Air Force for installation on the J-10, should the PAF induct the aircraft.
For J-10B, the nose cone is modified to accommodate an active phased array airborne radar (AESA) radar. The general designer of AESA for J-10B is Mr. Zhang Kunhui (张昆辉, 1963 -), the head of 607 Research Institute in Neijiang, Sichuan. Mr. Zhang Kunhui became the deputy head of 607th Research Institute in 1997, and four years later in 2001, he became the head of the institute, when the AESA program for J-10B started. The primary contractor of this AESA is the Radar and Electronic Equipment Research Academy of Aviation Industry Corporation of China located in Sichuan, formed in March 2004 by combining the 607th Research Institute and 171st Factory together with Mr. Zhang Kunhui was named as the head of the research academy. According to Chinese governmental media, the AESA for J-10B took 8 years to develop, finally completed in 2008, and Chinese fighter radars hence achieved a quantum leap in that it went from mechanically scanned planar slotted array directly into AESA, skipping the passive phased array PESA radar. Many suspected the radar is a PESA, but during its brief debuts in the 7th China International Defense Electronics Exhibition (CIDEX) in May 2010 and the 6th International Conference on Radar held in Beijing in Sept 2011, Chinese official sources have claimed it is an AESA.
The J-10A is powered by a single Russian Lyulka-Saturn AL-31FN turbofan engine giving a maximum static power output of 12,500 kgf. The AL-31FN is based on the AL-31F which was designed for a twin engine aircraft such as the Su-27, to fit the smaller J-10 the engine parts have been moved and re-designed to fit the smaller engine bay in the J-10.
The J-10 was intended to be powered by the Chinese WS-10 Taihang turbofan, but development difficulties forced the J-10A to use a Russian engine instead. The J-10B is likely equipped with the improved WS-10A.
China have entered into contract to purchase the upgraded AL-31FN Series 3 that provides 13,700 kgf thrust and a 2,250-hour service life for future deliveries.
Weaponry and external loads
The aircraft's internal armament consists of a 23 mm twin-barrel cannon, located underneath the port side of the intake. Other weaponry and equipment is mounted externally on 11 hardpoints, to which 6,000 kg (13,228 lb) of either missiles and bombs, drop-tanks containing fuel, or other equipment such as avionics pods can be attached.
Air-to-air missiles deployed may include short range air-to-air missiles such as the PL-8 and PL-9, medium-range radar-guided air-to-air missiles such as the PL-11 and PL-12, unguided and precision guided munitions such as laser-guided bombs, anti-ship missiles such as the YJ-9K and anti-radiation missiles such as the PJ-9.
- J-10A: Single seat multi-role variant. The export designation is F-10A.
- J-10AY: Unarmed single seater for the August 1st aerobatic team
- J-10SY: Unarmed twin seater for the August 1st aerobatic team
- J-10SH: twin seater for the Navy
- J-10S: Twin-seat fighter-trainer variant of the J-10A. The forward fuselage of the aircraft is stretched to accommodate an additional pilot seat, two pilots sit in tandem with a single large bubble canopy. Also incorporates an enlarged dorsal spine which may accommodate additional avionics equipment or fuel. As well as serving as training aircraft, the J-10S may also be used for the ground attack role where the rear seat pilot would act as the weapon systems operator.
- J-10AH: Naval version of the J-10A.
- J-10B: An upgraded variant of the J-10 with new technologies. Numerous images of a new J-10 variant have surfaced, showing a prototype J-10 modified with increased radar absorbent material, next generation of integrated EW suite, increased composites which reduces the weight by one ton, new generation avionics, MAW, a diverterless supersonic inlet (DSI), an infra-red search and track (IRST) sensor, modified vertical stabiliser and wings, ventral fins, housings fitted under the wings, upgraded WS-10B engine, next generation of solid-state integrated electronics, and a modified nose with an AESA radar. It had its first flight in December 2008. Full Production of J-10B had started with first J-10B appearing on production line on July 2013 
- FC-20: An export variant of the J-10B designed for the Pakistan Air Force. First flight stated to take place in 2009.
- People's Liberation Army Air Force: 200 As of August 2012[update]
- People's Liberation Army Naval Air Force: 20 As of August 2012[update]
Accidents and incidents
The first crash is speculated to have been a prototype during testing in 1998 with the most likely cause cited as failure of the fly-by-wire flight control system,[not in citation given] however, China has denied such occurrence with official announcement.
- Crew: 1
- Length: 15.49 m (50.82 ft)
- Wingspan: 9.75 m (31.99 ft)
- Height: 5.43 m (17.81 ft)
- Wing area: 33.1 m² (356.3 ft²)
- Empty weight: 9,750 kg (21,495 lb)
- Loaded weight: 12,400 kg (28,600 lb)
- Useful load: 6,000 kg (13,200lb)
- Max. takeoff weight: 19,277 kg  (42,500 lb)
- Powerplant: 1 × Saturn-Lyulka AL-31FN or WS-10A turbofan
- Dry thrust: 79.43 kN / 89.17 kN (17,860 lbf / 19,000 lbf)
- Thrust with afterburner: 125 kN / 130 kN (27,999 lbf / 29,000 lbf)
- Maximum speed: Mach 2.2 at altitude, Mach 1.2 at sea level
- g-limits: +9/-3 g (+88/-29 m/s², +290/-97 ft/s²)
- Combat radius: 1,600 km (with air to air refueling), 550 km (without air to air refueling) ()
- Ferry range: 1,850 km ()
- Service ceiling: 18,000 m (59,055 ft)
- Wing loading: 381 kg/m² (78 lb/ft²)
- Thrust/weight: 1.024 (with AL-31); 1.085 (with WS-10A)
- Guns: 1× 23mm twin-barrel cannon
- Hardpoints: 11 in total (6× under-wing, 5× under-fuselage) with a capacity of 6,000 kg (13,228 lb) external fuel and ordnance
- Rockets: 90 mm unguided rocket pods
- Bombs: laser-guided bombs (LT-2), glide bombs (LS-6) and unguided bombs
- Up to 3 external fuel drop-tanks (1× under-fuselage, 2× under-wing) for extended range and loitering time
- Unknown phased array radar
- NRIET KLJ-10 multi-mode fire-control radar
- Externally mounted avionics pods:
- Related lists
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see also International AirPower Revue, Vol. 22, Focus Aircraft: Chengdu J-10, p. 40-59, ISSN 1473-9917, AIRtime Publishing, 2007.
|Wikimedia Commons has media related to Chengdu J-10.|
- AirForce-Technology.com J-10 factsheet
- AirForceWorld.com J-10 article
- J-10B fighter jet article
- GlobalSecurity.org article on the J-10
- SinoDefence.com J-10 factsheet and pictures
- Chinese Military Aviation at Stormpages.com
- Milavia.com J-10 article and pictures (includes J-10 specifications from Air Forces Monthly magazine)
- SinoDefence.com article on J-10B
- Jane's Defence article on J-10B