People's Liberation Army Air Force (PLAAF) J-11 and PAF JF-17 Thunderand joint training exercise 2017. The Shenyang J-11 with NATO reporting name Flanker B , is a single-seat, twin-engine jet fighter, whose airframe is based on the Soviet-designed Sukhoi Su-27 air superiority fighter. It is currently manufactured by the Shenyang Aircraft Corporation. The PAC JF-17 Thunder is a lightweight, single-engine, multi-role combat aircraft developed jointly by the Pakistan Aeronautical Complex (PAC) and