The Jian-10 (J-10) is a multirole, all-weather fighter aircraft designed for both air-to-air and air-to-ground missions. The aircraft was designed by the Chengdu Aircraft Design Institute (611 Institute) and built by the Chengdu Aircraft Corporation (CAC) of AVIC. The aircraft has been operational with the PLA Air Force (PLAAF) since 2003. The J-10 is available in the single-seat fighter variant J-10 and two-seater fighter-trainer variant J-10S. A further improved single-seat fighter variant designated J-10B reportedly made its maiden flight in February 2009.