![]() The new airframe introduced modified diverterless supersonic inlet (DSI) intakes, stealth coating, streamlined underwing fairings, and redesigned vertical stabilizers. The new prototype showed increasing sophistication in design, including numerous subtle changes from the first two prototypes. Several changes were made to the third J-20 prototype numbered "2011", which made its maiden flight in March 2014. In May 2012, the second prototype took flight in the CADI facility. The first prototype was painted with the number "2001". Three months later, the first J-20 prototype made its maiden flight in Chengdu. On 22 December 2010, the first J-20 prototype underwent high speed taxiing tests outside the Chengdu Aircraft Design Institute (CADI). In 2009, a senior PLAAF official revealed that the first flight was expected in 2010–11, with a service entry date by 2019. Chengdu had previously used the double-canard configuration in the J-9, its first design and cancelled in the 1970s, and the J-10. In 2008, the PLAAF endorsed Chengdu Aerospace Corporation's proposal, Project 718 Shenyang's proposed aircraft was larger than the J-20. The J-20 emerged from the late-1990s J-XX program. ![]()
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