Supermarine Swift

Infobox Aircraft
name = Supermarine Swift
type = Fighter
manufacturer = Supermarine Aviation Works (Vickers) Ltd.



caption = Swift F Mk.2 "WK242" / "P" of No. 56 Sqn.
designer = Joseph "Joe" Smith
first flight = 29 December 1948 (Type 510)
introduced = 1954
retired = 1970s
status =
primary user = Royal Air Force
more users =
produced =
number built = 197
unit cost =
variants with their own articles =
developed from = Supermarine AttackerThe Supermarine Swift was a British single-seat jet fighter of the Royal Air Force (RAF), built by Supermarine during the 1950s. After a protracted development period, the Swift entered service as an interceptor, but, due to a spate of accidents, its service life was short. A photo reconnaissance variant resolved some of the Swift's teething problems.

Design and development

The Swift evolved from a number of prototypes, the first being the Type 510, a prototype jet fighter. It was based on the Supermarine Attacker, a straight-wing Fleet Air Arm jet with a tailwheel undercarriage, but had swept wings, first flying in 1948; a year after the first navalised prototype Attacker had flown. The Type 510 became the first British aircraft to have both swept wings and a swept tailplane. The Type 510 also had the distinction of becoming the first swept-wing aircraft to take off and land from an aircraft carrier, during trials for the Royal Navy 's (RN) Fleet Air Arm (FAA). However, RN interest soon waned despite Supermarine's modifications to the aircraft to improve aspects of its performance.

The second aircraft in the ancestral lineage that led to the Swift was the Type 528, which first flew in March 1950. Soon after its first flight, many modifications were made to its structure and it was then designated the Type 535, making its first flight under this name in August 1950. The final variant was the Type 541, a pre-production model of the Swift for which the Air Ministry had placed an order of over one hundred as a fallback in case the Hawker Hunter programme failed. The Swift was also seen by the Ministry as a replacement for the Gloster Meteor in the role of air defence.

The Type 541 replaced its predecessors' Rolls-Royce Nene centrifugal flow turbojet engine with the axial-flow Rolls-Royce AJ.65 turbojet engine and its successor Avon engines. The fuselage, which had been given a cross section suitable for the Nene engine, was not redesigned for the narrower AJ.65 and Avon engines. Two Type 541s were produced, the first prototype making its maiden flight in 1951 and the second the following year.

The Swift had been ordered into "super-priority" production, a policy created by Sir Winston Churchill who had become Prime Minister in 1951 at a time of particular tension between NATO and the Warsaw Pact during the Cold War; the Korean War had begun in 1950. The first production variant was a fighter designated the Swift F Mk.1 of which eighteen were eventually built. The first flight occurred in 1953 and the F.1 entered service with No. 56 Squadron RAF in February 1954, becoming the RAF's first swept-wing aircraft. It was powered by a 7,500 lbf (33.4 kN)-thrust Avon 109 engine and carried an armament of two 30 mm ADEN cannon.

The second variant was the F Mk.2 of which sixteen were built. It was simply an F.1 with two extra ADENs. However, the addition of these cannons caused problems as the structural modifications required to house the increased ammunition load lead to dangerous handling problems with the aircraft. Numerous further modifications were then required to resolve this issue.

The third Swift variant was the F Mk.3, with twenty-five being built and powered by an Avon 114 engine with reheat. It was never taken into operational service with the Royal Air Force and was used just as an instructional airframe. The next variant was the F Mk.4, which included a variable incidence tailplane intended to correct the handling problems that the Swift suffered from. It did indeed fix the problem, however, it was found that reheat could not actually be ignited at high altitude which added to the problems that the Swift variants suffered from.

The next in the line, the FR Mk.5, had a longer nose to accommodate a number of cameras to suit it to a reconnaissance role and had other modifications to its structure. The FR.5 also reverted to the F.1's 2 ADEN armament. It first flew in 1955 and entered service the following year. It performed its reconnaissance mainly at low-level, making the reheat problem at high altitude irrelevant.

Two further variants were designed; the PR Mk.6 was an unarmed photo reconnaissance variant. However, it was a short-lived program due to ever-present reheat problems. The last variant was the F Mk.7 and was the first Swift variant to be fitted with guided-missiles, being armed with the Fairey Fireflash air-to-air missile and was powered by a new Avon engine. Only fourteen were built and none ever entered service with the RAF, being relegated - along with its prototype missiles - to guided-missile trials duties.

Operational history

Tragedy began to strike early on in the career of the Swift, with a number of accidents occurring with the F.1 and F.2, one ending fatally. Due to these accidents, the F.1 was grounded in August in the same year it had entered service, while the F.2, which had replaced the F 1 in August, was also soon grounded.

All fighter variants of the Swift were eventually withdrawn from service by the RAF, after only a brief time in service, and were replaced by the more capable Hawker Hunter.

The FR.5 was deemed to be suitable for its role and was based with RAF Germany during the Cold War. A number of Swift airframes went to Australia for Operation Buffalo in 1956, being placed at various distances from a detonating atomic bomb. [Winchester 2005, p. 312.] The FR.5 was the last Swift variant to enter service with the RAF and was eventually replaced by the Hunter FR.10, leaving the RAF in 1961.

The Swift never saw combat action with the RAF. It did break a number of speed records in its time; in Libya, in 1953, an F.4 (WK198) piloted by Commander Mike Lithgow broke the world absolute speed record, reaching a speed of 737.7 mph (1187 km/h), though it was broken in turn only hours later by the Douglas Skyray, a United States Navy (USN) fighter. The Swift has the distinction of being the last British production aircraft to hold this record (The FD.2 was experimental). Under two hundred Swifts were built from an order of 497.

By its last variant, many of the problems that had plagued the earlier Swifts were resolved, but the Swift programme was not continued. The Hunter was performing satisfactory in the same roles as the Swift and any requirement to persist with the Swift [Winchester 2005, p.313.]

Operators

;UK
* Royal Air Force
** No. 2 Squadron RAF FR.5
** No. 4 Squadron RAF FR.5
** No. 56 Squadron RAF F.1 and F.2
** No. 79 Squadron RAF FR.5

urvivors

*"VV106" (Supermarine 517) is stored by the Fleet Air Arm Museum, Yeovilton, England.
*"WK198" (F.4) fuselage only of the former World air speed record holder is on display at the North East Aircraft Museum, Sunderland, England. Moved 2 April 2008 to RAF Millom Museum, Cumbria (Aeroplane, June 2008 p. 8)
*"WK275" (F.4) on display at Upper Hill, Herefordshire, England. This aircraft represents the definitive fighter variant with slab tail.
*"WK277" (FR.5) on display at the Newark Air Museum, Newark, England.
*"WK281" (FR.5) on display at the Tangmere Military Aviation Museum, Tangmere, England.
*"G-SWIF" (F.7, the former "XF114") is stored by at Solent Sky, Southampton, England.

Popular culture

One of the prototypes ("VV119") of the Swift (named the "Prometheus" in the film) appeared in the 1952 film "The Sound Barrier".

pecifications (Supermarine Swift FR Mk.5)

Aircraft specification

plane or copter?=plane
jet or prop?=jet
crew=1
length main=42 ft 3 in
length alt=12.8 m
span main=32 ft 4 in
span alt=9.9 m
height main=13 ft 6 in
height alt=4.1 m
area main=328 ft²
area alt=30.5 m²
empty weight main=13,435 lb
empty weight alt=6,094 kg
loaded weight main=
loaded weight alt=
max takeoff weight main=21,673 lb
max takeoff weight alt=9,380 kg
engine (jet)=Rolls-Royce Avon 114
type of jet=turbojet
number of jets=1
thrust main=7,175 lbf
thrust alt=31.9 kN
afterburning thrust main=9,450 lbf
afterburning thrust alt=42.0 kN
max speed main=713 mph
max speed alt=1147 km/h
range main=630 mi
range alt=1,015 km
ceiling main=45,800 ft
ceiling alt=13,960 m
climb rate main=
climb rate alt=
loading main=
loading alt=
thrust/weight=
armament=
*2 × 30 mm ADEN cannons and provisions for bombs and rockets

ee also

Aircontent
related =
* Supermarine Spiteful
* Supermarine Attacker
similar aircraft =
* F-86 Sabre
* Mikoyan-Gurevich MiG-15
* Hawker Hunter
see also =
lists =
*List of aircraft of the RAF

References

Notes

Bibliography

* Birtles, Philip. "Supermarine Attacker, Swift and Scimitar (Postwar Military Aircraft 7)". London: Ian Allan, 1992. ISBN 0-7110-2034-5.
* Curry, Alan and Frank Goodridge. "The Rise and Fall of the Swift." "FlyPast": Key Publications, May and July 1987.
* Taylor, John W.R. "Supermarine Swift." "Combat Aircraft of the World from 1909 to the present". New York: G.P. Putnam's Sons, 1969. ISBN 0-425-03633-2.
* Winchester, Jim. "The World's Worst Aircraft: From Pioneering Failures to Multimillion Dollar Disasters". London: Amber Books Ltd., 2005. ISBN 1-904687-34-2.

External links

* [http://www.britishaircraft.co.uk/aircraftpage.php?ID=19 British Aircraft Directory entry]
* [http://www.thunder-and-lightnings.co.uk/swift/ Swift at Thunder and Lightnings]
* [http://1000aircraftphotos.com/APS/2990.htm Picture of a Swift F.Mk.1]
* [http://1000aircraftphotos.com/APS/2984.htm Picture of an early Swift]
* [http://1000aircraftphotos.com/Contributions/Hodgson/6126.htm Picture of the Supermarine 510 "VV106"]