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Sydney Camm developed the Sea Hawk from the P.1040, a land-based prototype jet interceptor intended for the Royal Air Force (RAF); however, the RAF showed little interest in the project, preferring other jet fighters such as the Gloster Meteor and de Havilland Vampire. The design was unusual in having a bifurcated jetpipe which freed-up space in the rear fuselage for a fuel tank, allowing the aircraft to have a longer range than many other early jets. Hawker subsequently developed it into a navalised jet fighter and offered it to the Admiralty who expressed keen interest in the design. The first prototype (the P.1040, VP401) flew on the 2nd September 1947, piloted by Bill Humble. A fully navalised prototype did not fly until the following year (VP413, 48/8/31). A third prototype which flew in 1949 incorporated a number of modifications from the second prototype. The first carrier trials occurred aboard the fleet aircraft carrier HMS Illustrious that same year. Over 100 of the aircraft, now named Sea Hawk, were subsequently ordered by the navy. The first production Sea Hawk F1 was WF 143, which flew in November 1951 with 39' wingspan and a tailplane of increased area.
The first production Sea Hawk was the F.1, which first flew in 1951 and entered service two years later. Just over 30 were actually built by Hawker. At that time, Hawker was also producing the famous Hunter for the RAF and so production of the Sea Hawk was switched to Armstrong Whitworth Aircraft, part of the Hawker company. The F.1 was armed with four Hispano 20 mm cannons. It was powered by a single 5,000 lbf (22 kN) thrust Rolls-Royce Nene 101 turbojet. It had a maximum speed of 599 mph at sea level and a range of 800 miles on internal fuel. The second fighter variant was the F.2 which introduced power-boosted aileron controls to the Sea Hawk as well as other modifications, including to its structure.
The next variant of the Sea Hawk was developed into a fighter-bomber, the FB.3 (over 100 built) and differed only slightly from its predecessors. Its structure was strengthened to allow it to carry a wide array of equipment. Its new armament consisted of two 500 lb (220 kg) bombs and 16 unguided rockets. The fourth Sea Hawk was a fighter ground-attack variant designated the FGA.4 with increased weapons capability. The fifth Sea Hawk was a fighter-bomber variant, the FB.5, basically FB.3 and FGA.4s re-engined with the new Roll-Royce Nene 103. The final Sea Hawk was a fighter ground-attack variant, FGA.6, and was the exact same as its immediate predecessor, though they were new builds rather than re-engined, and just under ninety were built. All Sea Hawks were in service by the mid 50s and eventually 542 of them were built.
The first export version was the Sea Hawk Mk.50, a single-seat ground-attack variant for the Royal Netherlands Navy; 22 aircraft were in service between 1957 to 1964. The next export variant was the Sea Hawk Mk.100, a single-seat strike fighter variant for the German Bundesmarine. The final export version was the Sea Hawk Mk.101, a single-seat night fighter, reconnaissance variant for the Bundesmarine.
The Sea Hawk, as part of the Fleet Air Arm, saw much service during the Suez Crisis, caused by Egypt's nationalisation of the Suez Canal. The United Kingdom, France and Israel took part in the campaign, with the Anglo-French invasion being known as Operation Musketeer, and which began on October 31, 1956. Six Sea Hawk squadrons took part. Two were aboard the fleet carrier HMS Eagle, and two each aboard the light fleet carriers HMS Albion and HMS Bulwark. The Sea Hawks were used in the ground-attack role, in which they excelled, causing immense damage to a variety of Egyptian targets. The military aspect of the Suez Campaign was a very successful operation, unlike the political outcomes. All Allied forces were eventually withdrawn by 1957.
The Sea Hawk was a successful export aircraft. In the Royal Netherlands Navy, it served aboard the Dutch aircraft carrier HNLMS Karel Doorman, ex-HMS Venerable. When Karel Doorman was sold to Argentina, the Sea Hawks that served on her were moved ashore. They were taken out of service by the end of the 1960s. In Indian Navy service (beginning 1960), Sea Hawks were used aboard the aircraft carrier INS Vikrant and saw service during the Indo-Pakistani War of 1965 and the Indo-Pakistan War of 1971. The latter war saw Sea Hawks being used very effectively by the Indian Navy; these planes racked up nearly a dozen "kills", mainly of Pakistan Navy gunboats and Merchant navy ships and cargo ships in East Pakistan (present day Bangladesh) without losing a single aircraft in the war. Aided by the Breguet Alize aircraft the Hawks emerged unscathed and with the highest kill ratio for any aircraft in the entire war. The Sea Hawk was taken out of Indian Navy service in 1983, being replaced by the far more capable BAE Sea Harrier. The Sea Hawk also saw service with the Bundesmarine, the Navy of West Germany until it was replaced in the mid 60s by the F-104 Starfighter.
The Sea Hawks in Fleet Air Arm service began phasing out from first-line service in 1958, the year the Supermarine Scimitar and de Havilland Sea Vixen entered service, both of which would eventually replace the Sea Hawk. The last first-line Sea Hawk squadron disbanded in December 1960, ending a very brief career for the Sea Hawk. All Sea Hawks in second-line service were also withdrawn by the mid-60s. A number of Sea Hawks survived as of 2003, mainly in a variety of locations in the United Kingdom, though a few were located abroad, including in the Netherlands and India.
Fleet Air Arm (United Kingdom), Royal Netherlands Navy, Indian Navy, German Bundesmarine.
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