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Supermarine Spitfire

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The Spitfire was one of the best fighter aircraft to see service during the Second World War, and just over 20,000 were built of Reginald Joseph Mitchell's design. Best known for its role in the Battle of Britain during its wartime career the Supermarine Spitfire would serve in theatres of war all over the world. In 1957, 19 years after it entered service with the Royal Air Force, the aircraft was retired.

Quick Facts
Supermarine Spitfire side profile image
First flight
5th March 1936
Entered service
4th August 1938
Total built

Front view
Spitfire front view photo
Side view
Spitfire side view photo
Rear view
Spitfire rear view photo

The Spitfire had its roots in the Supermarine Type 224 which the company submitted to meet Air Ministry Specification F.7/30, issued on the 1st October 1931. The aircraft's top speed was 225 mph, 25 mph slower than the top speed of 250 mph which the specification called for and it would be the Gloster Gladiator that would be ordered into production. Despite the disappointing performance of the aircraft, the experience and data gathered would prove beneficial for Supermarine's next design.

Supermarine submitted its new design, the Supermarine Type 300, produced under the leadership of Reginald Joseph Mitchell and powered by the Rolls-Royce Goshawk engine. Despite the improvements no order was forthcoming from the Air Ministry. However, a change of engine to the Rolls-Royce PV.12, later to become the Merlin, saw a prototype ordered on the 1st December 1934 with Specification F.37/34 issued on the 3rd January 1935 for the prototype to be built. Three months later in April 1935 the Air Ministry issued Specification F.10/35 and the Type 300 would be developed to meet this.

The prototype Spitfire was powered by a 900-hp Rolls-Royce Merlin 'C' engine and Captain Joseph Summers piloted the aircraft on its maiden flight on the 5th March 1936. The 26th March 1936 saw the Spitfire prototype arrive at the Aeroplane and Armament Experimental Establishment at Martlesham Heath and 310 Spitfire Mk Is were ordered on the 3rd June 1936. Twenty-four days later on the 27th June 1936 the public got their first taste of this new aircraft at the RAF Display, Hendon, with the 28th July 1936 seeing the aircraft officially named the Spitfire. Sadly the following year on the 11th June 1937 Reginald Joseph Mitchell passed away, with development of the Spitfire given to Joe Smith.

The maiden Spitfire Mk I first flew on the 14th May 1938 and was powered by the 1,030-hp Rolls-Royce Merlin II engine, giving it a top speed of 364 mph, range of 425 miles and a service ceiling of 34,500 ft. Initially only half of the intended eight 0.303-in machine-guns were fitted due to supply shortages and when Spitfires with eight machine-guns did appear they were designated as Spitfire Mk IAs. A small number of Spitfire Mk IBs with two 20mm cannons appeared in 1940 for operational trials, but as the cannon kept jamming as a result of having to be fitted on their side due to the Spitfire's thin wing, which led to cartridge cases not dispersing properly in certain situations, these were withdrawn.

The Spitfire Mk I entered service when No. 19 Squadron, based at RAF Duxford, received the first on the 4th August 1938. A further eight squadrons would be equipped with the type by the time the Second World War (1939 – 1945) started in September 1939. The next month would see the Spitfire score its first victories, when on the 16th October 1939, two Junkers Ju 88 A-1s of I./KG 30 were shot down over the Firth of Forth, one by No. 602 Squadron and the other by No. 603 Squadron, these were the first German aircraft shot down over Britain in the Second World War. The following month saw a Spitfire PR Mk IA deployed to France followed by a Spitfire PR Mk IB, but these would serve in the reconnaissance role only, with the Spitfire PR Mk IA performing the first successful reconnaissance on the 22nd November 1939, photographing Eupen-Elsenborn, Belgium.

It wouldn't be until the 12th May 1940 that a fighter version of the Spitfire would operate over Europe when No. 66 Squadron, based at RAF Duxford were in action over the Netherlands alongside No. 264 Squadron Boulton Paul Defiants. Its first engagement against the Messerschmitt Bf 109 occurred eleven days later on the 23rd May 1940 when Nos. 54 and 74 Squadron engaged Bf 109Es of I./JG 27. As the Battle of Britain (10th July 1940 - 31st October 1940) loomed, a total of nineteen squadrons were now equipped with the Spitfire.

Serving as a prototype of the Spitfire Mk II, a Spitfire Mk I was fitted with a 1,150-hp Rolls-Royce Merlin XII engine, with the 24th September 1939 seeing the first flight. The production Spitfire Mk II was powered by the 1,175-hp Rolls-Royce Merlin XII which enabled a top speed of 370 mph, range of 500 miles and a service ceiling of 32,500 ft. Armament was eight 0.303-in machine-guns and this made its operational debut on the 31st August 1940 with No. 611 Squadron based at RAF Digby. Some Spitfire Mk IIBs had the same two 20mm cannon armament of the Spitfire Mk IB, with the addition of blisters in the wings to help overcome the jamming issues. When Fighter Command started their offensive fighter sweeps, known as Rhubarbs, over Europe on the 20th December 1940 it was with No. 66 Squadron and a pair of their Spitfire Mk IIs, which attacked Le Touquet Airfield in France. Spitfires would also take part in the first Royal Air Force Circus operation on the 10th January 1941. They would be part of a force of fighters escorting six Bristol Blenheims of No. 114 Squadron when they attacked an ammunition dump at Foret de Guines, France.

The Spitfire Mk III was the next in the lineage but would never progress past a single prototype. This intended version would have a number of improvements such as clipped wings, by 2 ft on each wing, stronger undercarriage, retractable tail wheel and a type 'C' universal wing able to take different armament and a internal laminated bullet-proof windscreen. The prototype was a converted Spitfire Mk I which was powered by a 1,240-hp Rolls-Royce Merlin XX and this flew on the 15th March 1940. Although an order was placed for the Spitfire Mk III it would later be cancelled due to a shortage of available Rolls-Royce Merlin XX engines. Despite not entering service a number of the features from the Spitfire Mk III would appear on later Spitfires.

The next version was the Spitfire Mk V, with the 26th December 1940 seeing the prototype make its first flight. This was intended to be a stopgap measure but would go on to be the most produced and used Spitfire variant. Powered by the 1,470-hp Rolls-Royce Merlin 45 engine which gave it a top speed of 375 mph, a range of 470 miles and a service ceiling of 35,500 ft. Armament was two 20mm cannons and four 0.303-in machine-guns. The Spitfire Mk V began to enter service during February 1941 with No. 92 Squadron based at RAF Biggin Hill being the first to receive the type. The Spitfire Mk VB would be the first of the type to serve overseas as fighters, when Malta received fifteen which were flown from HMS Eagle (94) on the 7th March 1942. Tropicalised Spitfire Mk VBs which had an air intake filter under the nose were sent to the Middle East during May 1942. With the arrival of No. 54 Squadron based at RAAF Station Darwin in January 1943 they became the first to use Spitfire Mk Vs in the Pacific. 1943 also saw some Spitfire LF Mk Vs appear with clipped wings and these were powered by a 1,585-hp Rolls-Royce Merlin 45M engine for low altitude operations.

During December 1939 the use of a Rolls-Royce Griffon to power the Spitfire was conceived, but engine development delays meant it would be a further two years before a prototype could be ordered. A tailored Specification F.4/41 was written for the aircraft which was given the designation Spitfire Mk IV, and two prototypes were ordered on the 26th May 1941, and on the 23rd August 1941 750 were ordered. Only one prototype was built in the end and this was powered by a 1,445-hp Rolls-Royce Griffon RG 25M IIB engine and had a top speed of 423 mph and was to be armed with up to six 20mm cannons, and this flew on the 27th November 1941 for the first time with Jeffrey Quill at the controls. In the end the aircraft would not enter production with the 750 Spitfire Mk IVs ordered being built as either Spitfire Mk VB or Spitfire Mk VCs instead. The Spitfire Mk IV prototype would be renamed to Spitfire Mk XX, to avoid confusion with a Spitfire photo reconnaissance version which was renamed to Spitfire Mk IV, before becoming the prototype Spitfire Mk XII.

To counteract German bombers operating at high altitude the Spitfire HF Mk VI appeared, with a Spitfire Mk VB used as a base, with the introduction of extended wing tips, by about 4 ft on each wing and a pressurised Cabin. Powered by the 1,415-hp Rolls-Royce Merlin 47 engine the aircraft had a top speed of 364 mph, range of 475 miles with a service ceiling of 40,000 ft. Armament was two 20mm cannons and four 0.303-in machine-guns. The prototype made its first flight on the 26th June 1941 and the aircraft entered service in April 1942 with No. 616 Squadron, based at RAF Kings Cliffe and scored its first aerial victory on the 25th May 1942, shooting down a Dornier Do 217. The Spitfire HF Mk VII was next and was the first variant designed to take the two-stage Rolls-Royce Merlin 61 engine, giving it a top speed of 416 mph, range of 424 miles and a service ceiling of 45,100 ft. Armament consisted of two 20mm cannons and four 0.303-in machine-guns. These entered operational service in March 1943 with No. 124 Squadron based at RAF North Weald.

The Spitfire Mk VIII was essentially the same as its predecessor, but without a pressurised cockpit. Powered by the 1,565-hp Rolls-Royce Merlin 61 engine the aircraft had a top speed of 408 mph, a range of 680 miles with a service ceiling of 43,000 ft. Armament consisted of two 20mm cannons and four 0.303-in machine guns. The first Spitfire Mk VIII flew during November 1942 and the type would first enter service with Nos. 125 and 145 Squadron based at RAF Luqa in Malta during June 1943.

When the Focke-Wulf Fw 190 appeared during August 1941 it was to prove superior to aircraft in service with the Royal Air Force at the time. In an effort to match the Fw 190's performance a Spitfire Mk VC was modified and fitted with a 1,660-hp Rolls-Royce Merlin 61 and this variant, known as the Spitfire Mk IX, made its maiden flight on the 26th February 1942. It had a top speed of 408 mph, a range of 434 miles, a service ceiling of 43,000 ft and armament consisted of two 20mm cannons and four 0.303-in machine-guns. It was with No. 64 Squadron, RAF Hornchurch that the Spitfire Mk IX made its operational debut on the 28th July 1942. The month before the aircraft entered service, the RAF had been able to test the type against a captured Fw 190A-3, and found the aircraft evenly matched against the Luftwaffe's latest fighter. The Spitfire Mk IX claimed its first victory over a Fw 190 on the 30th July 1942. When a Spitfire Mk IX of the Special Service (High Altitude) Flight based at RAF Northolt intercepted a Junkers Ju 86R in the skies above Southampton two months later on the 12th September 1942 at 43,000ft it would be the highest aerial battle of the Second World War.

On the 10th June 1944 at the Advanced Landing Ground B3, Sainte-Croix-sur-Mer, France a Spitfire Mk IX of No. 144 (Canadian) Wing, RAF, made up of Nos. 441, 442 and 443 Squadrons, Royal Canadian Air Force, touched down, becoming the first aircraft of the RAF to be stationed on mainland France since June 1940. It would also be a Spitfire Mk IX, this time from No. 401 Squadron, RCAF, that on the 5th October 1944 claimed the first Messerschmitt Me 262 to be shot down by an Allied aircraft. Although intended as an interim Spitfire, the aircraft would still be in service at the end of hostilities in Europe during May 1945.

The next two variants were both photo reconnaissance examples. The Spitfire PR Mk X was powered by the 1,710-hp Rolls-Royce Merlin 64 engine which gave the aircraft a top speed of 417 mph, range of 1,370 miles with a service ceiling of 43,000 ft. No armament was fitted. May 1944 would see the Spitfire PR Mk X enter service with the Royal Air Force when Nos. 541 and 542 Squadron received the first deliveries of the aircraft. The Spitfire PR Mk XI followed and whilst its top speed matched the Spitfire PR Mk X its range was slightly less at 1,200 miles and its service ceiling higher at 44,000 ft. It was also unarmed. This would make its maiden flight on the 21st November 1942 and No. 541 Squadron, RAF Benson would receive the first examples the following month.

The clipped wing Spitfire LF Mk XII followed and would be the first Rolls-Royce Griffon Spitfire variant to enter production. The prototype would be based on the Spitfire Mk XX and during April 1942 it made its first flight. Only 100 would be built, and the first production version flew for the first time on the 13th October 1942. Powered by the 1,735-hp Rolls-Royce Griffon II, III or IV engine, its top speed was 397 mph, range was 493 miles with a service ceiling of 40,000 ft. Armament would consist of two 20mm cannons and 500lb bombs. February 1943 saw the Spitfire LF Mk XII enter service when No. 41 Squadron took delivery of the first examples. The only other squadron to operate the type was No. 91 Squadron who began to receive theirs during April 1943. During its short operational service with the Royal Air Force, September 1944 seeing its last operational use, the Spitfire LF Mk XII would be used to counter the growing V-1 flying bomb, or doodlebug as it was more commonly known, menace. They were also used to counter the hit and run raids being undertaken by the Bf 109 and Fw 190.

A Spitfire Mk IA would provide the basis for the Spitfire PR Mk XIII prototype which flew for the first time on the 16th February 1943. Two months later in April 1943 No. 542 Squadron at RAF Benson would receive the first examples. Powered by the 1,645-hp Rolls-Royce Merlin 32 engine the Spitfire PR Mk XIII had a top speed of 342 mph, range of 700 miles with a service ceiling of 35,000 ft. Although used for photo reconnaissance it was armed with four 0.303-in machine-guns.

Up next was the Spitfire Mk XIV and the prototype made its maiden flight on the 20th January 1943. It would enter service the following year on the 4th January 1944 when No. 610 Squadron, RAF Exeter began to take delivery of the type. Powered by the 2,035-hp Rolls-Royce Griffon 65 engine the Spitfire Mk XIV had a top speed of 439 mph, range of 465 miles with a service ceiling of 43,000 ft. Armament was a pair of 20mm cannons and a pair of 0.50-in machine-guns with 500lb bombs or rocket projectiles. During November 1942 thoughts had started to turn to a successor for the Spitfire and this would see a Spitfire Mk XIV fitted with a laminar flow wing. This would fly for the first time during June 1944 and would be known as the Supermarine Spiteful. In the end only a small number were built and it would never enter operational service.

The next variant was the Spitfire Mk XVI which was powered by the 1,720-hp Packard Merlin 266 engine. This gave the aircraft a top speed of 405 mph, range of 430 miles and a service ceiling of 40,500 ft. Armament was two 20mm cannons, four 0.303-in machine-guns and 1,000lb bombs. The first Spitfire Mk XVIs began to enter service in November 1944 when No. 602 Squadron based at RAF Matlaske received the first examples.

With the development of a new wing, with the plan to use a Spitfire Mk 22 as the basis for the Spitfire Mk 23, aimed at improving diving and high speed performance, fitted to a Spitfire Mk VIII in July 1944 testing began. The results from these were disappointing, so a Spitfire Mk 21 prototype would form the basis of a new Spitfire Mk 23 prototype. Once again the results were unsatisfactory, so the aircraft, which was to have been called the Supermarine Valiant, was scrapped.

A two-seater Spitfire was considered as a possible aircraft for the export market and during 1944 a small team was formed to convert the design into a two-seater configuration. Despite planning to build 48 aircraft, which would be designated Spitfire Mk TR 8, only a sole example was built. Some of the Spitfires supplied to the Soviet Union were modified into two-seaters during the Second World War. These were to train Soviet pilots on the type. In January 1946 Supermarine converted 25 Spitfire Mk IXs, designated either Spitfire TR 9 or Spitfire T Mk IX, into two-seaters and these would be sold to the Netherlands, India, Ireland and Egypt.

The idea of a naval version of the Spitfire was first raised in 1938, but it wouldn't be until December 1941 that the idea was looked at again. This would lead to the Supermarine Seafire being developed for the Fleet Air Arm. A Spitfire floatplane was also produced, five Spitfires would be modified and fitted with floats before the idea was scrapped.

The Spitfire would remain in service with the Royal Air Force until 1957. The fighter version made its last operation on the 1st January 1951 when a Spitfire Mk XVIII of No. 60 Squadron attacked targets in Malaya. The very last operational use of the Spitfire was on the 1st April 1954 by a Spitfire PR XIX of No. 81 Squadron based at RAF Seletar, with a Spitfire Mk XIX of the Temperature and Humidity Flight at RAF Woodvale performing the last flight by an RAF Spitfire in active service on the 10th June 1957. This wasn't the end of the Spitfire story in the Royal Air Force as during 1963 a Spitfire PR XIX would be brought out of retirement to take part in trials against the English Electric Lightning. This was so tactics against piston-engined aircraft could be developed as there was a chance the Lightning may come up against the North American P-51 Mustangs being used by the Indonesian Air Force during the Indonesia – Malaysian Confrontation (1963 – 1966).

In total over 30 countries would use the Spitfire in various guises. They would see action with the Soviet Union on the Eastern Front and the United States Army Air Force and Free French Air Force would also use the aircraft. Post-war saw the type serve with the Swedish Air Force.

The last Spitfire to be built was a Spitfire F.24, and this made its first flight on the 24th February 1948, bringing an end to Spitfire production which had began in May 1938 and saw a total of 20,334 built. It was the only Allied fighter already in production at the start of the Second World War to remain in production throughout the war.

Technical Details

Click on the aircraft image to view a larger version.

Top Speed Range Service Ceiling Armament
Spitfire Mk I 364 mph 425 miles 34,500 ft eight 0.303-in machine-guns
Spitfire Mk I side profile image
Spitfire Mk II 370 mph 500 miles 32,800 ft eight 0.303-in machine-guns
Spitfire Mk IIA side profile image
Spitfire Mk III Single aircraft converted from a Mk I then converted to a Mk V then to the Mk IX prototype.
Spitfire Mk V 375 mph 470 miles 35,500 ft two 20mm cannons
four 0.303-in machine-guns
Spitfire Mk VB side profile image
Spitfire Mk IV Powered by the 1,445-hp Rolls-Royce Griffon RG 25M IIB engine, only one built.
Renamed later on as Mk XX before becoming the Mk XII prototype
Spitfire Mk VI 364 mph 475 miles 40,000 ft two 20mm cannons
four 0.303-in machine-guns
Spitfire Mk VII 416 mph 424 miles 45,100 ft two 20mm cannons
four 0.303-in machine-guns
Spitfire Mk VIII 408 mph 680 miles 43,000 ft two 20mm cannons
four 0.303-in machine-guns
Spitfire Mk IX 408 mph 434 miles 43,000 ft two 20mm cannons
four 0.303-in machine-guns
Spitfire Mk X 417 mph 1,370 miles 43,000 ft none
Spitfire Mk XI 417 mph 1,200 miles 44,000 ft none
Spitfire PR Mk XI side profile image
Spitfire Mk XII 397 mph 493 miles 40,000 ft two 20mm cannons
500lb bombs
Spitfire Mk XIII 342 mph 700 miles 35,000 ft four 0.303-in machine-guns
Spitfire Mk XIV 439 mph 465 miles 43,000 ft two 20mm cannons
two 0.50-in machine-guns
and either 500lb bombs or
rocket projectiles
Spitfire Mk XVI 405 mph 430 miles 40,500 ft two 20mm cannons
four 0.303-in machine-guns
1,000lb bombs
Spitfire Mk XVI side profile image
Spitfire Mk XVIII 437 mph 460 miles 41,000 ft two 20mm cannons
two 0.303-in machine guns
and either 1,500lb bombs or
rocket projectiles
Spitfire Mk XIX 445 mph 1,500 miles 42,600 ft none
Spitfire Mk 21 455 mph 580 miles 42,800 ft four 20mm cannons
Spitfire Mk 21 side profile image
Spitfire Mk 22 449 mph 580 miles 45,500 ft four 20mm cannons
and either 1,500lb bombs or
rocket projectiles
Spitfire Mk 23 None produced but would have been known as the Supermarine Valiant.
Spitfire Mk 24 454 mph 965 miles 43,000 ft four 20mm cannons
rocket projectiles


Click on the photo to view a larger version.
Prototype Spitfire Spitfire Mk I Spitfire Mk IA
Spitfire Mk VB
Spitfire Mk VC
Spitfire LF Mk VC Spitfire Mk VIIIC Spitfire Mk IX
Spitfire Mk IXC
Spitfire T Mk IX Spitfire T.9 Spitfire PR Mk XI
Spitfire Mk XIV Spitfire Mk XVI
Spitfire Mk XVIII Spitfire Mk F.24

See This Aircraft

(C) = Cockpit only exhibit. (F) = Fuselage only exhibit. (R) = Remains of an aircraft.

Spitfire Mk I Battle of Britain Memorial
Spitfire Mk IIA Battle of Britain Memorial Flight Visitors Centre
Spitfire Mk VB
Spitfire Mk LFXIE
Spitfire Mk PRXIX x2
Spitfire Mk IX Castletown D-Day Centre
Spitfire Mk IIA Dumfries and Galloway Aviation Museum
Spitfire Mk IX Eden Camp
Spitfire Mk IA Imperial War Museum, Duxford
Spitfire Mk IX
Spitfire PR Mk XI
Spitfire Mk XIV x 2
Spitfire Mk F.24
Spitfire Mk IA Imperial War Museum, London
Spitfire Mk 21 Kelvingrove Art Gallery and Museum
Spitfire Mk I Kent Battle of Britain Museum
Spitfire Mk II
Spitfire Mk IX
Spitfire Mk VB (R) Lincolnshire Aviation Heritage Centre
Spitfire Mk VB Montrose Air Station Heritage Centre
Spitfire Mk LF.XVIE National Museum of Flight, Scotland
Spitfire Mk LF.XVIE (F) Norfolk & Suffolk Aviation Museum
Spitfire Mk VB North East Land Sea & Air Museums
Spitfire Mk XVI Potteries Museum & Art Gallery
Spitfire Mk XVI RAF Manston Spitfire & Hurricane Memorial Museum
Spitfire Mk IA Royal Air Force Museum, London
Spitfire Mk VB
Spitfire Mk XVI
Spitfire Mk F.24
Spitfire Mk I Royal Air Force Museum, Midlands
Spitfire Mk IA Science Museum
Spitfire Mk VC Shuttleworth
Spitfire Mk 24 Solent Sky Museum
Spitfire Mks ? x 5 Spitfire Visitor Centre
Prototype Tangmere Military Aviation Museum
Spitfire Mk IXC Thinktank - Birmingham Science Museum
Spitfire Mk VIII (F) Welsh Spitfire Museum
Spitfire Mk I Yorkshire Air Museum

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