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Short SC.7 Skyvan

By Wikipedia,
the free encyclopedia,

http://en.wikipedia.org/wiki/Shorts_SC.7_Skyvan

For other uses see SC 7 (disambiguation)

SC.7 Skyvan
SC.7 Skyvan at Oulu Airport, Finland.
Role Airliner
Manufacturer Short Brothers and Harland Ltd
First flight 17 January 1963
Produced 1963-1986
Number built 153
Variants Shorts 330,Shorts 360

The Skyvan is a 19-seater twin turboprop aircraft manufactured by Short Brothers of Belfast, Northern Ireland. It is used mainly for short-haul freight and skydiving.

The Skyvan is a high wing twin engined all-metal monoplane with a high cantilever tailplane with twin rudders. The first flight of the Skyvan, the Skyvan 1, was on 17 January 1963.

The Shorts 330 and Shorts 360 are stretched model of the original SC-7 which were designed as regional airliners.


Design and development

In 1958, Shorts were approached by F.G. Miles Ltd (successor company to Miles Aircraft) who were seeking backing to produce a development of the H.D.M.106 Caravan design with a Hurel Dubois high aspect ratio wing. Shorts acquired the design and data gathered from trials of the Miles Aerovan based H.D.M.105 prototype. After evaluating the Miles proposal, Shorts rejected the Caravan. They developed their own design for a utility all-metal aircraft which was called the Short SC.7 Skyvan. It was popular with freight operators compared to other small aircraft because of its large rear door for loading and unloading freight. Its fuselage resembles the shape of a railroad boxcar for simplicity and efficiency.

Construction started at Sydenham, Belfast in 1960 and the first flight of the prototype occurred on 17 January 1963, powered by two Continental piston engines. The prototype was re-engined with the intended Turbomeca Astazou turboprop engines later in 1963. The Skyvan is an all-metal, high wing monoplane, with a braced, high aspect ratio wing (similar to that used on Hurel-Dubois aircraft), and an unpressurised, square section fuselage. Production switched in 1968 to the Skyvan Series 3 aircraft, which replaced the Astazous with Garrett TPE331 turboprops. A total of 153 Skyvans (plus the prototype) were produced by the time production ended in 1986.

Operational history

Skyvans served widely in both military and civilian operations, with the type remaining in service with a number of civilian operators, and in military service in Guyana and Oman .

The Short 330 is a stretched derivative of the Skyvan.

On 1982, two Skyvans of the Argentine Naval Prefecture participated in the Falklands War. Both aircraft were ferried to Port Stanley in April 1982. One aircraft was damaged by British naval gunfire on Stanley racecourse and did not fly again; it was finally destroyed by shellfire during British bombardments on the 12/13 June. The second aircraft was being used at Pebble Island where it became bogged down in the soft ground and was destroyed by enemy fire on Pebble Island on the 15 May 1982 (see Raid on Pebble Island).

Production

All built by Shorts in Belfast.

  • Skyvan 1 : Prototype, one built. 2 x Continental GTSIO-520 engines.
  • Skyvan 1A : Re-engined prototype. 2 x 388 kW (520 hp) Turboméca Astazou engines.
  • Skyvan 2 : Astazou powered production. 8 series 2 produced.
  • Skyvan 3 : Garrett TPE 331 powered production. 145 produced (all series 3 models)
  • Skyvan 3A : Higher gross weight version of Skyvan Series 3.
  • Skyvan 3M : Military transport version. It can be used for supply dropping, assault transport, dropping paratroops, troop transport, cargo transport, casualty evacuation, plus search and rescue missions.
  • Skyvan 3M-200 : High gross weight version of Skyvan 3M (M-TOW 6,804 kg, 15,000 lb).
  • Skyliner : Deluxe all-passenger version.

Civilian Operators

As of August 2006 a total of 35 Shorts Skyvan aircraft remain in airline service, with Sonair (1), Swala Airlines (2), Transway Air Services (1), Deraya Air Taxi (3), Layang Layang Aerospace (1), Macair Airlines (1), Malaysia Air Charter (1), Olympic Airways (1), Pan-Malaysian Air Transport (1), Wirakris Udara (1), CAE Aviation (1), Deltacraft (1), Invicta Aviation (2), Pink Aviation Services (4), Advanced Air (1), Allwest Freight (2), Arctic Circle Air Service (3), GB Airlink (1), North Star Air Cargo (5), Skylift Taxi Aereo (1) and Summit Air (2).

Military Operators


Company military demonstrator in 1982
Company military demonstrator in 1982
 Argentina
 Austria
 Botswana
 Ecuador
 Ghana
 Guyana
 Indonesia
 Lesotho
 Malawi
 Mauritania
 Mexico
 Nepal
 Oman
 Singapore
 Thailand
 United Arab Emirates
 United Kingdom
 Yemen

Specification (Short Skyvan 3)

Data from Jane's Civil and Military Upgrades 1994-95

General characteristics

  • Crew: 1-2
  • Capacity: 19 passengers
  • Length: 12.21 m (40 ft 1 in)
  • Wingspan: 19.79 m (64 ft 11 in)
  • Height: 4.6 m (15 ft 1 in)
  • Wing area: 35.12 m² (378 ft²)
  • Empty weight: 3,331 kg (7,344 lb)
  • Max takeoff weight: 5,670 kg (12,500 lb)
  • Powerplant:Garrett AiResearch TPE-331-201 Turboprops, 533 kW (715 hp) each

Performance

See also

Related development

Comparable aircraft

Related lists

  1. ^ Scramble. [1] Access date: 21 December 2006.
  2. ^ Burden, Rodney; Michael Draper, Douglas Rough, Colin R Smith, David L Wilton (1986). Falklands the Air War. London: Arms and Armour Press. ISBN 0-85368-842-7. 
  3. ^ Flight International, 3-9 October 2006
  4. ^ Michell, Simon, ed. Jane's Civil and Military Upgrades, Second Edition, 1994-95. London: Jane's Information Group, 1994. ISBN 0-7106-1208-7.

Bibliography

External links




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Published - July 2009














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