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Chengdu J-7

Chinese license built version of Soviet Mikoyan-Gurevich MIG-21 fighter-interceptor

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 20, 2026
Entity authorityQ39636
Source-derived summary

The Chengdu J-7 (Chinese: 歼-7; pinyin: Jiān-7; third generation export version J-7; NATO reporting name: Fishcan) is a Chinese fighter aircraft. It is a license-built derivative of the Soviet Mikoyan-Gurevich MiG-21, and thus shares many similarities with that aircraft. The J-7 is armed with infrared homing air-to-air missiles and is mainly designed for short range air-to-air combat. The aircraft is also used for close air support.

On 30 March 1962, the Soviet Union and China signed a technology transference arrangement on the MiG-21. Allegedly, while various kits, components, completed aircraft and associated documents were delivered to the Shenyang Aircraft Factory, the design documentation was incomplete, and Chinese designers made efforts to reverse engineer the aircraft. While the two aircraft are greatly similar, areas of difference include the hydraulic systems and internal fuel arrangements. During March 1964, domestic production of the J-7 reportedly commenced at the Shenyang Aircraft Factory, but due to various factors including the Cultural Revolution, mass production was only truly achieved during the 1980s. Numerous models of the J-7 were developed, featuring improvements in areas such as the armament, avionics, and wing design.

The aircraft was primarily operated by the People's Liberation Army Air Force (PLAAF), but numerous international operators have bought their own J-7s.

Editorial summary

This brief starts where responsible research should: with the source description of “Chengdu J-7” as chinese license built version of Soviet Mikoyan-Gurevich MIG-21 fighter-interceptor. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1962, 1964—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where Chengdu, Chinese and license can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as chinese license built version of Soviet Mikoyan-Gurevich MIG-21 fighter-interceptor. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 20, 2026. The linked authority identifier is Q39636. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1962 and 1964.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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  2. Expand the search: follow Chengdu J-7 primary sources, Chengdu J-7 archive and Chengdu research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

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Source & attribution

This entry incorporates text from Chengdu J-7” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.