Xian Y-7
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Xian Y-7
Y-7
Xian Y-7-100, China General Aviation AN0193499.jpg
A Y-7-100 of China General Aviation
Role Airliner / Freighter
China
Manufacturer Xi'an Aircraft Industrial Corporation
First flight 20 February 1984
103
Antonov An-24
Antonov An-26
Variants Xian MA60

The Xian Y-7 (Chinese: ?-7; pinyin: Yùn-q?) is a transport/passenger aircraft built in China.[1] It is based on the Soviet-designed Antonov An-24 series.[2]

Development

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-5A1 turboprop 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).[2]

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 People's 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.[2]

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.[2]

Variants

Xian Y-7 at Beijing Civil Aviation Museum
Xian Y-7-100 at Beijing Civil Aviation Museum
Xian Y-7E

Speculative designation for a 'Hot and High version with more powerful engines.[1]

Xian Y-7G
A military variant of the MA60 produced for the PLAAF.[1]
Xian Y-7H
(Huo -cargo) A reverse-engineered An-26 with rear loading ramp for the PLAAF, entering production in 1992.[1]
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.[1]
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.[1] 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.[1]
Xian Y-7-200A
Powered by two Pratt & Whitney PW127C turboprop engines.[1]
Xian Y-7-200B
Stretched version (74cm (29in)) with WJ5A-1G engines, built for the Chinese domestic market.[1]
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.[1]
Xian MA60
(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.[1]
Xian JZY-01 experimental aircraft / Y-7 AWACS
Carrier-based airborne early warning and control (AEW&C) variant. JZY stands for Jian (?) Zai (?) Yu (?), meaning carrier borne AEW&C, has 4 rudders like E-2 AEW[3][4] It is being used as testbed for Xian KJ-600.

Operators

Current operators
 People's Republic of China
Former operators
 Cambodia
 Iran
 Laos
 Mauritania
 People's Republic of China
 Zimbabwe

Accidents and incidents

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.
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 Chinese Aircraft:China's aviation industry since 1951[1]

General characteristics

  • Crew: 3
  • Capacity: 52 pax
  • Length: 24.218 m (79 ft 5 in)
  • Wingspan: 29.666 m (97 ft 4 in)
  • Height: 8,553 m (28,061 ft 0 in)
  • Wing area: 75.26 m2 (810.1 sq ft)
  • Aspect ratio: 11.69
  • Airfoil: root: TsAGI S-5-18 ; tip: TsAGI S-3-13[5]
  • Empty weight: 14,988 kg (33,043 lb) operating weight empty
  • Max zero-fuel weight: 19,655 kg (43,332 lb)
  • Max takeoff weight: 21,800 kg (48,061 lb)
  • Max landing weight: 21,800 kg (48,061 lb)
  • Powerplant: 2 × Dongan WJ-5A turboprop engines, 1,800 kW (2,400 shp) each equivalent
  • Propellers: 4-bladed constant-speed feathering propellers, 3.9 m (12 ft 10 in) diameter[]

Performance

  • Maximum speed: 503 km/h (313 mph, 272 kn)
  • Cruise speed: 423 km/h (263 mph, 228 kn) at 6,000 m (19,685 ft)
  • Range: 910 km (570 mi, 490 nmi) maximum payload
1,982 km (1,232 mi; 1,070 nmi) with max fuel
  • Service ceiling: 8,750 m (28,710 ft)
  • Take-off run: 640 m (2,100 ft) at MTOW
  • Landing run: 645 m (2,116 ft) at MLW

References

  1. ^ a b c d e f g h i j k l Gordon, Yefim; Komissarov, Dmitry (2008). Chinese Aircraft:China's aviation industry since 1951. Manchester: Hikoki Publications. pp. 196-207. ISBN 978-1-902109-04-6.
  2. ^ a b c d Gordon, Yefim; Komissarov, Dmitry; Komissarov, Sergey (2003). Antonov's Turboprop Twins. Hinkley: Midland. pp. 5-40. ISBN 978-1-85780-153-8.
  3. ^ "Chinese JZY-01 Aircraft Carrier-Capable AEW& Aircraft". Chinese Military Review. Retrieved 2019.
  4. ^ "JZY-01/Y-7 AEW". chariweb.com. Archived from the original on 18 January 2013. Retrieved 2015.
  5. ^ Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 2019.

Further reading

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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