J-13 (Jianjiji-13 Fighter aircraft 13) / F-13
China re-uses aircraft designators, until a design with that designator enters production, at which point that aircraft has permanent claim to the designator. Over the years, a number of design projects have been proposed under the "J-13" nomenclature, though none have entered production.
1971 - J-13 Shenyang 601 Institute
The J-13, designed by Shenyang Aircraft Corporation, never entered production. The single engined fighter design was cancelled in the early 1990s. The genesis of the first J-13 was in 1971, when the 601 Institute began researching a new fighter aircraft for the 1980s to replace the J-6. The new aircraft used cantilever wings and fuselage side mounted air intakes - it resembled the French Mirage-F1. In 1972, the 601 Institute commissioned Shen Fei to conduct a survey to find out what kind of future fighters the PLA Air Force and the Navy wanted. The investigation continued until the end of 1974. At the beginning of 1974, with the accumulation of a large amount of first-hand information, Shen Fei promoted his advanced fighter concept to the Air Force. Under the unremitting promotion of Shen Fei, the National Conventional Equipment Development Leading Group was officially approved on April 24, 1976, and the development of the J-13 fighter aircraft project was approved.
In 1978, after the Third Plenary Session of the Eleventh Central Committee, reform and opening up were implemented. Then, at the 13th National Congress of the Communist Party of China, the basic line of "taking economic construction as the center" was put forward, and army building had to make way for economic construction. The J-13 Fighting Fighter was also forced to stop research in March 1981 due to the adjustment of the national economy and air force equipment development plan. The project was finally abandoned because of the success of the Chengdu J-10 project.
1989 - J-13 Shenyang 601 Institute
The Chinese Navy proposed the concept of a carrier-based aircraft in the 1980s. According to this 601, the J--13 modified carrier-based aircraft program was proposed. J--13 adopts single-engine abdomen air intake layout. Since the air inlet is below the fuselage and is not the main bearing structure, it hinders the layout of the landing gear. The sinking rate of the carrier aircraft is much larger than that of the shore-based aircraft. Therefore, the modified carrier-based aircraft of the belly-intake aircraft has great difficulties. The J-13 modified carrier aircraft scheme proposed by 601 retains the J--13 side wing layout. The engine was a domestic turbofan-12 (FWS-12A) medium thrust turbofan engine.
J-13 ? / Su-30
Some sources suggested that the J-13 designation would be applied to the Su-30, but this does not appear to have happened.
Chengdu J-13 ?
The Chinese aviation industry reportedly began preliminary research for China's 4th generation fighter program in the mid-1990s. The new aircraft - tentatively dubbed the J-X and possibly to receive the service designation J-13A - could use the WS10A turbofan engine designed by the Shenyang Liming Motor Company during its development and trials process. In development for more than a decade, the WS10-series power plant completed air trials earlier this year with an Su-27SK (NATO reporting name: 'Flanker-B') fighter. The WS10A was scheduled for introduction with the PLAAF's J-10A fighter. Continuing research into advanced control techniques is expected to in time allow the air force to field WS10A-powered J-10A and J-X fighters equipped with thrust-vectoring nozzles offering improved aircraft maneuverability.
By early 2009 there were reports that the J-14 next generation fighter appeared to have been rejected in favor of Chengdu's J-13 design, and to have lost out to SAC's more realistic approach to develop a Flanker-derived type. But nothing came of these rumors.
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