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Xian Y 7
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Top speed
503 km/h
Wingspan
30 m
Cruise speed
423 km/h
First flight
December 25, 1970
Range
910 km
Length
24 m
Engine type
Turboprop
Xian y 7
The Xian Y-7 (Chinese: 运-7; pinyin: Yùn-qī) is a transport aircraft built in the Peoples Republic of China. It is based on the Soviet-designed Antonov An-24 series.
The People's Republic of China imported the Antonov An-24 from early in its production run and also negotiated licences for production of the aircraft and its engines. In 1966, Xi'an aircraft factory started the project of local production of An-24. The first Chinese-assembled An-24T had its maiden flight on 25 December 1970. Production was launched in 1977 at the Xi'an aircraft factory but progress was slow due to the deleterious effects of the Cultural Revolution, with a pre-production aircraft displayed to the public at Nanyuan air base, near Beijing, on 17 April 1982. The WJ-5A1turboprop engine was chosen as the Y-7's power source. The first production aircraft was not flown until February 1984, illustrating the slow progress (eighteen years from licence to production).
The Chinese aircraft equated to the An-24RV, having a full complement of windows and the booster jet engine. The majority of early deliveries were to the Peoples Liberation Army Air Force (PLAAF), mostly as transports, with a few in 52-seat airliner configuration for the Civil Aviation Administration of China (CAAC). After the initial licensed production run the Y-7 was developed separately from the An-24 with a succession of upgrades culminating in the Xian MA60 (Modern Ark) series.
A tactical transport derivative was copied, unlicensed, from the Antonov An-26 and emerged as the Y-7H, incorporating the cargo ramp door and military equipment of the An-26.
Variants
Xian Y-7E
Speculative designation for a 'Hot and High version with more powerful engines.
Xian Y-7G
A military variant of the MA60 produced for the PLAAF.
Xian Y-7H
(Hao -cargo) A reverse-engineered An-26 with rear loading ramp for the PLAAF, entering production in 1992.
Xian Y7H-500
Civil variant of the Y-7H certified in 1994.
Xian Y-14
The original designation for the An-26 copy/Y-7H.
Xian Y-7-100
Improved version, developed in co-operation with HAECO (Hong Kong Aircraft Engineering Company), with redesigned cockpit and cabin, as well as winglets. This variation was added upgraded passenger cabin interior, new avionics sourced from western providers. Flight crew was down to three, it is capable of carrying 52 passengers.
Xian Y-7-100C1
Five-crew variant with equipment changes.
Xian Y-7-100C2
Five-crew variant with equipment changes.
Xian Y-7-100C3
Five-crew variant with equipment changes.
Xian Y-7-200
Fitted with new avionics; without winglets.
Xian Y-7-200A
Powered by two Pratt & Whitney PW127C turboprop engines.
Xian Y-7-200B
Stretched version (74cm (29in)) with WJ5A-1G engines, built for the Chinese domestic market.
Xian HYJ-7
(Hongzhaji Yunshuji Jiaolianji - Bomber/transport/trainer) A pilot and crew trainer for H-6 heavy bombers fitted with a stabilised HM-1A bombsight, bomb-aiming radar and a TNL-7880 combined navigation system.
(Y-7-MA60) (Modern Ark 60 seats) A westernised variant of the Y-7 intended to attract more western customers and meet Joint Airworthiness Requirements.
Xian JZY-01 experimental aircraft / Y-7 AWACS
Carrier-based AWACS variant. JZY stands for Jian (舰) Zai (载) Yu (预), meaning carrier borne AEW, has 4 rudders like E-2 AEW
On 22 June 2000, Wuhan Airlines Flight 343 was struck by lightning and crashed near Sitai, Yongfeng, killing all 42 on board and another seven on the ground. This crash is the worst ever accident involving the Y-7.
On 19 October 2006, a People's Liberation Army Air Force Y-7 crashed into a wheat field near Hengshui, killing two.
Specifications (Y7-100)
Data from
General characteristics
Crew: 3
Payload: 5,500kg (12,125lb)
Length: 24.218m (79ft 5½in)
Wingspan: 29.666m (97ft 4in)
Height: 8.553m (28ft 0¾in)
Wing area: 75.26m2 (810.1ft2)
Airfoil: TsAGI S-5
Empty weight: 14,988kg (33,042lb)
Max. takeoff weight: 21,800kg (48,060lb)
Powerplant:
1 × PY19A-300 Turbojet, 900kgp (1984lb)
2 × Dongan WJ5A Turbo-prop, 2,400ehp () each
Propellers: Baoding J-16-G10A propeller, 1 per engine
Propeller diameter: 3.9m (12ft 9½in)
Performance
Maximum speed: 503 km/h (313mph)
Cruise speed: @ 6,000 m (19,685ft), 423 km/h (263mph)
Range: max payload 910km, max fuel 1,982km (max payload 565miles, max fuel 1,231miles)
