The FC-31, China’s ‘Other’ Stealth Fighter

China’s FC-31 is a twin-engine stealth fighter demonstrator, which includes two iteratively different flying airframes that have been under active flight test since late 2012 and late 2016, respectively. This aircraft has often incorrectly been dubbed the “J-31” and been given various other names over the years, such as “J-21.” None of these J-designations remain true to the aircraft’s current state.

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