Images posted on Chinese online forums show what appears to be the second prototype of the Shenyang Aircraft Corporation (SAC) FC-31 'Gyrfalcon'twin-engine, 'fifth-generation' fighter making its maiden flight. The publication of the images was followed by a China Daily newspaper report quoting an unnamed source as saying that the test flight took place on 23 December - some four years after the first prototype took to the skies - at an airfield in Shenyang belonging to SAC, which is part of Aviation Industry Corporation of China (AVIC).
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