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The Changhe Z-11 is a light utility helicopter developed by Changhe Aircraft Industries Corporation (CAIC). According to the Changhe Aircraft Industries Corporation website, it is claimed to be the first indigenously-designed helicopter in China. However, it is largely based on the Eurocopter AS350 Écureuil.
|A Changhe Z-11WB on display at the 2016 China International Aviation & Aerospace Exhibition.|
|Role||Light utility helicopter|
|Manufacturer||Changhe Aircraft Industries Corporation|
|First flight||22 December 1994|
|Status||Active, In production|
|Primary user||People's Liberation Army Ground Force|
|Developed from||Eurocopter AS350 Écureuil|
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 WZ-10. Under Mr. Wu, the Z-11 became the first Chinese helicopter to be completely designed using CAD/CAM techniques.
- military version of the Z-11
- armed military version of the Z-11 (battlefield surveillance and reconnaissance, ground attack, and medical evacuation roles)
- scout version
- with French Arriel 2B1A engine
- a light attack helicopter variation. It is powered by one WZ8D 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.
- New attack/reconnaissance variant with a new EO ball, redesigned cockpit, SW-6 UAV, and pylons for weapons. Its roles include ground support, attack, battlefield reconnaissance, command, counter-terrorism, counter-narcotics, counter-smuggling, and other tasks.
Data from Jane's All The World's Aircraft 2010–2011
- Crew: 1
- Capacity: 6
- Length: 11.24 m (36 ft 11 in) fuselage
- 13.01 m (43 ft) with rotors turning
- Width: 1.8 m (5 ft 11 in)
- Height: 3.14 m (10 ft 4 in) to top of rotor hub
- Empty weight: 1,253 kg (2,762 lb)
- Max takeoff weight: 2,250 kg (4,960 lb)
- Fuel capacity: 423 kg (933 lb) maximum
- Powerplant: 1 × Liming WZ-8 turboshaft engine, 510 kW (680 hp) for take-off
- 450 kW (603 hp) max. continuous
- 350 kW (469 hp) cruise
(program to re-engine with Honeywell LTS101-700D-2 commenced 2010)
- Main rotor diameter: 10.69 m (35 ft 1 in)
- Main rotor area: 89.8 m2 (967 sq ft)
- Blade section: NACA 0012
- Cruise speed: 258 km/h (160 mph, 139 kn) max at 1,000 m (3,281 ft)
- Range: 661 km (411 mi, 357 nmi) max
- Endurance: 4 hours 15 minutes
- Service ceiling: 5,270 m (17,290 ft)
- Hover ceiling IGE: 4,028 m (13,215 ft)
- Hover ceiling OGE: 3,369 m (11,053 ft)
- Rate of climb: 10 m/s (2,000 ft/min) at sea level
Aircraft of comparable role, configuration, and era
- Eurocopter Ecureuil
- Bell OH-58 Kiowa
- OH-6 Cayuse
- Aérospatiale Gazelle
- "Z-11 light military transport helicopter". www.globalsecurity.org. Retrieved 24 December 2019.
- "Z-11 helicopter variations". AirForceWorld.com. Archived from the original on 9 September 2011. Retrieved 2011-09-12.
- Jackson, Paul, ed. (2010). Jane's All the World's Aircraft 2010-11 (101st ed.). London: Jane's Information Group. pp. 111–112. ISBN 978-0710629166.
- Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.
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