Not one but two videos from the first J-11BS public flying demo Posted on September 13, 2015September 13, 2015 by alert5 The Shenyang J-11BS fighter made its first public flying demonstration during the Air Force public day in Changchun, Jiling province on Sept. 10. The J-11BS is the two-seat indigenous copy of the Su-27. The aircraft is powered by the WS-10 engine. Related posts (Automatically Generated): Shenyang J-11B to appear at Jiling airshow Blue Angels to Soar on Biofuel During Labor Day Weekend Air Show August First flight demo teams gets 12 J-10s First East Coast flying demo of F-35B at Cherry Point Air Show PLAAF to unveil two more aerobatic teams AIDC working on twin-engine jet trainer