the J-11B. In 2012, the number of J-11B and J-11BS in service was over 120. J-11BH (Flanker-L) – Naval version of the J-11B. It was first sighted in May 2010. J-11BSH (Flanker-L+) – Naval version of the J-11BS. J-11BG – Upgraded variant with light-grey radome; speculated to be equipped with AESA radar. J-11D (Flanker-L) – Variant possibly equipped with fixed electronically scanned array radar, IRST, and capability to fire heavier imaging/infrared (IIR) air-to-air missiles. The airframe makes greater use of composite materials, especially in the engine intakes for lower radar observability. The wings have three hardpoints each. Unconfirmed reports claim it has a new fly-by-wire control system, glass cockpit, improved EW systems, and an improved version of the WS-10A engine. Operators People's Liberation Army Air Force: 100 J-11A, 180 J-11B and 90 J-11BS () 1st Fighter Aviation Division 6th Fighter Division 7th Fighter Division People's Liberation Army Naval Air Force: 40 J-11BH and 32 J-11BSH () Naval Aeronautics University Regiment 22nd Air Regiment 24th Air Regiment 25th Air Regiment Specifications (J-11A/J-11) See also References Citations Bibliography External links J-11 fighter, Chinese PLAAF A Flanker by any other name by Bai Wei Air Forces Monthly, May 2012 J-11, Shenyang Shenyang aircraft Twinjets Fourth-generation jet fighter Aircraft first flown in 1998 Twin-tail aircraft