Vickers Supermarine Type 525 and Type 544 Scimitar | BAE Systems | International

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Vickers Supermarine
Type 525 & 544 Scimitar

Supermarine's last production aircraft
Vickers Supermarine Type 525 VX138 The experimental Vickers Supermarine Type 525 VX138 on final approach to land
 
The Supermarine Scimitar traces its development back to the experimental Type 508 and 529 prototypes (described separately) which were large twin-engine fighters that had unusually thin unswept wings and V-tails.  Initially conceived for 'undercarraige-less belly landings' on aircraft carriers, the concept was soon abandoned as unworkable and further developements returned to the conventional arrangement.
 
A third experimental aircraft was ordered as the Type 525, being significantly modified with swept wings and more conventional tail surfaces. The Type 525 (VX138) was flown for the first time on 24th April 1954.
 
Vickers Supermarine Type 544 Scimitar ready to launch Vickers Supermarine Type 544 Scimitar ready to launch from a carrier deck
 
The Type 525 was designed against Specification N.113D whilst the production aircraft (later to be named the Scimitar) included the adoption of a powered boundary layer control system to reduce landing speeds for carrier operation.
 
Pair of Vickers Supermarine Type 544 Scimitar at Farnborough 1958 A pair of Vickers Supermarine Type 544 Scimitar F.1 on display at Farnborough 1958
 
The first Scimitar pre-production prototype (WT854) was flown on 24th January 1956 with the following aircraft evolving through a number of changes such as a stronger airframe and improved aerodynamics.
 
The final production designs featured a dog tooth leading edge and an anhedral tailplane to improve transonic handling and manoeuvre characteristics.  The first true production Scimitar flew on 11th January 1957 and production numbers comprised the single Type 525, three pre-production Scimitar and 76 production Scimitar F.1.
 
Formation of nine Vickers Supermarine Type 544 Scimitar F1. Formation of nine Vickers Supermarine Type 544 Scimitar F1.
 
During its operation aboard naval carriers the aircraft was found to be quite large and a number of onboard accidents occurred during its fairly short period of service (over 50% of the aircraft were lost).
 
That said however, a number of important lessons were learnt from the Scimitar including the importance of its true multi-role capability.  With the introduction of the Blackburn Buccaneer, the Scimitar was reduced to the role of a mid-air refuelling tanker allowing the Bucanneer to take off with an heavy bombload, offset by a lower initial fuel load.
 
The Scimitar eventually retired in 1969 after a brief spell in a training role with the Fleet Requirement Unit at Hurn.

Specification

  Scimitar F.1
Powerplant Two 10,000 lb thrust Rolls-Royce Avon RA.24 or RA.28 
Span 37 ft 2 in
Maximum Weight 34,200 lb
Capacity and armament Single pilot, four 30 mm cannon and four 1,000 lb bombs or four Bullpup missiles. Alternative loads could include Sidewinder air-to-air missiles and up to four 200 gallon drop tanks.
Maximum Speed 737 mph (630 kt) at sea level
Range                                    1,422 miles at 35,000 ft

Number built

Type 525 1 aircraft VX138                                                                          
Scimitar pre-production 3 aircraft
Type 544 Scimitar F.1 76 production aircraft

Survivors

Scimitar F.1         
(XD317)
Fleet Air Arm Museum, Yeovilton www.fleetairarm.com
Scimitar F.1
(XD332)
Solent Sky Museum, Southampton www.solentskymuseum.org
Scimitar F.1
(XD220)
Empire State Aerosciences Museum, New York www.esam.org

Other information