(Short) SC.7 skyvan @·AIRCRAFTUBE

  • The Shorts SC1 prototype, with Astazou turbines
The Shorts SC1 prototype, with Astazou turbines
    The Shorts SC1 prototype, with Astazou turbines
  • Short SC-7 skyvan (2010)
Short SC-7 skyvan (2010)
    Short SC-7 skyvan (2010)
  • Short SC.7 Skyvan
Short SC.7 Skyvan
    Short SC.7 Skyvan
  • Short SC.7 Skyvan 3-100
Short SC.7 Skyvan 3-100
    Short SC.7 Skyvan 3-100
  • 1973
1973
    1973
  • Short SC.7 Skyvan S3
Short SC.7 Skyvan S3
    Short SC.7 Skyvan S3
  • Skyvan 3-100
Skyvan 3-100
    Skyvan 3-100
  • Short Skyvan 3-100
Short Skyvan 3-100
    Short Skyvan 3-100
  • The Shorts SC1 prototype
The Shorts SC1 prototype
    The Shorts SC1 prototype
  • Thailand Police
Thailand Police
    Thailand Police
  • Short SC.7 Skyvan 3-100
Short SC.7 Skyvan 3-100
    Short SC.7 Skyvan 3-100
  • Short SC-7-3M-400 (Austrian Air Force)
Short SC-7-3M-400 (Austrian Air Force)
    Short SC-7-3M-400 (Austrian Air Force)
  • Military demo (1982)
Military demo (1982)
    Military demo (1982)
  • At Oulu airport (Finland)
At Oulu airport (Finland)
    At Oulu airport (Finland)
  • Short SC.7 Skyvan 3 (1975) Short SC.7 Skyvan 3 (1975)
    Short SC.7 Skyvan 3 (1975)

Short SC.7 Skyvan

The Short SC.7 Skyvan (nicknamed the "Flying Shoebox")is a British 19-seat 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 mid-mounted tailplane and twin rudders. The first flight of the Skyvan, the Skyvan 1, was on 17 January 1963. It is called "the shed" by pilots and crew.

The Short 330 and Short 360 are stretched models of the original SC.7, designed as regional airliners.

Design and development

In 1958, Shorts was approached by F.G. Miles Ltd (successor company to Miles Aircraft) which was seeking backing to produce a development of the H.D.M.106 Caravan design with a high aspect ratio wing similar to that of the Hurel-Dubois HD.31. 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 Airport in 1960, and the prototype first flew on 17 January 1963, powered by two Continental piston engines. Later in 1963, the prototype was re-engined with the intended Turbomeca Astazou turboprop engines. The Skyvan is an all-metal, high-wing monoplane, with a braced, high aspect ratio wing, and an unpressurised, square-section fuselage. In 1968, production switched to the Skyvan Series 3 aircraft, which replaced the Astazou engines with Garrett AiResearch TPE331 turboprops. A total of 153 Skyvans (plus the prototype) was produced before production ended in 1986.

Operational history

Skyvans served widely in both military and civilian operations, and the type remained in service in 2009 with a number of civilian operators, and in military service in Guyana and Oman.

In 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 12/13 June 1982. The second aircraft was used at Pebble Island, where it became bogged down in the soft ground, and on 15 May 1982 it was destroyed in a British assault (see Raid on Pebble Island).

Skyvans continue to be used for air-to-air photography and for skydiving operations. In 1970, Questor Surveys of Toronto Canada converted the first of two Skyvan 3s for aerial geological survey work.

Variants

  • Skyvan 1 : prototype, one built. 2 x Continental GTSIO-520 engines.
  • Skyvan 1A : re-engined prototype. 2 x 388 kW (520 hp) Turbomeca Astazou engines.
  • Skyvan 2 : Astazou powered production. 8 series 2 produced.
  • Skyvan 3 : Garrett TPE331 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.
  • Seavan : Maritime patrol version, (SC7-3M-4022), principally used by the Sultan of Oman's Air Force / Royal Air Force of Oman (SOAF / RAFO).

Civilian operators

As of July 2009, a total of 40 Skyvan aircraft remained in airline service, with Pink Aviation Services (5), 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), Advanced Air (1), Allwest Freight (2), Era Alaska (3), GB Airlink (1), North Star Air Cargo (5), Skylift Taxi Aereo (1), Skydive Arizona (7), Skydive DeLand (1), Skydive Lonestar (1), Sydney Skydivers (2), Skydive Pennsylvania and Summit Air (2)., Sustut Air (1), Ryan Air Services, Nomad Air (2), Aalto University (Helsinki, Finland).

Military operators

  • Guyana : Guyana Defence Force.
  • Oman : Royal Air Force of Oman - Oman continues to operate five of its original 16 Skyvans in December 2013.

Former military operators

  • Argentina : Argentine Coast Guard, Bought five in 1971, survivors sold in 1995 following replacement by five CASA C-212 Aviocars.
  • Austria : Austrian Air Force .
  • Botswana : Botswana Defence Force Air Wing.
  • Ciskei : Ciskei Defence Force.
  • Ecuador : Ecuadorian Army.
  • Gambia : Military of Gambia.
  • Ghana : Ghana Air Force.
  • Indonesia : Indonesian Air Force.
  • Japan : Japan Coast Guard.
  • Lesotho : Lesotho Defence Force.
  • Malawi : Malawi Police Force Air Wing.
  • North Yemen : North Yemen Air Force.
  • Mauritania : Military of Mauritania.
  • Mexico : Mexican Air Force.
  • Nepal : Nepalese Army and Nepalese Army Air Service.
  • Panama : Panamanian Public Forces.
  • Singapore : Republic of Singapore Air Force : 121 Squadron, Republic of Singapore Air Force operated Skyvan 3M for Utility transport and Search-and-locate duties from 1973 to 1993.
  • Thailand : Royal Thai Police and Thai Border Patrol Police.
  • United Arab Emirates : United Arab Emirates Air Force.
  • Yemen : Yemen Air Force.

— — — = = — — —

This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Short SC.7 Skyvan of Wikipedia ( authors )

Short SC.7 Skyvan

  • Role: Utility aircraft.
  • National origin: United Kingdom.
  • Manufacturer: Short Brothers.
  • First flight: 17 January 1963.
  • Status: Limited Service.
  • Produced: 1963-1986.
  • Number built: 153.
  • Unit cost: US$650,000 (1972).
  • Developed into :
    • Short 330.
    • Short 360.

    Specifications (Skyvan 3)

  • Crew: one or two pilots.
  • Capacity: 19 passengers.
  • Length: 12.21 m (40 ft 1 in).
  • Height: 4.6 m (15 ft 1 in).
  • Wingspan: 19.78 m (64 ft 11 in).
  • Wing area: 35.12 m² (378 ft²).
  • Wing loading: 136.6 kg/m² (33.5 lb/ft²).
  • Empty weight: 3,331 kg (7,344 lb).
  • Max. takeoff weight: 5,670 kg (12,500 lb).
  • Never exceed speed (VNE) : 402 km/h, 217 kts (250 mph).
  • Maximum speed: 325 km/h, 175 kts (202 mph).
  • Cruise speed: 317 km/h (170 kts, 197 mph).
  • Stall speed: 111 km/h, 60 kts (69 mph).
  • Range: 1,117 km (694 miles).
  • Service ceiling: 6858 m (22,500 ft).
  • Rate of climb: 500 m/min (1,640 ft/min).
  • Powerplant: Two Garrett AiResearch TPE-331-201 turboprops.
  • Power: 533 kW (715 hp) each.

— — — = = — — —

This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Short SC.7 Skyvan of Wikipedia ( authors )
Short SC.7 skyvan : Your comments on this subject
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