Changhe Z-11

The Z-11 project started in 1989 and the first flight was made in Dec 1994. In Oct 2000, test flights of Z-11 were completed. The chief designer of Z-11 is Mr. Wu Ximing (吴希明), who is also the chief designer of three other Chinese helicopters, including the Z-10. Under Mr. Wu, the Z-11 became the first Chinese helicopter to be completely designed using CAD/CAM techniques. The Z-11WB, the attack and reconnaissance variant, features pintle mount weapons and two weapon pylons on each side of the aircraft. The engine is replaced by Turbomeca Arriel 2B1A turboshaft engine developing 632 kW (848 shp) of power. == Variants ==

;Z-11: original unarmed version. ;Z-11W: military version of the Z-11 (battlefield surveillance and reconnaissance, ground attack, and medical evacuation roles) It is powered by one WZ-8D, LTS101-700D-2 or Arriel 2B1A turboshaft engine and is equipped with integrated avionics systems, antitank missiles, rockets and machine guns. The helicopter is fitted with a targeting sensor turret, and can carry four Chinese HJ-8 antitank missiles. ;Avicopter AC311: Multi-role civilian helicopter. Developed from earlier Z-11 models, featuring a redesigned airframe, cockpit, tail, a Honeywell LTS101-700D-2 engine, and other subsystems. 2 crew and four passengers. Maiden flight in 2011. ;Avicopter AC311A: Multi-role civilian helicopter. Developed from AC311, featuring a redesigned main rotor and other improvements, a license-built Arriel 2B1A turboshaft engine. Maiden flight in 2013. ==Operators==

; • People's Liberation Army Ground Force: Z-11WB. • Ji'an Municipal Public Security Bureau: AC311 == Specifications (Z-11J) ==