Design
The Sea Vixen had a twin-boom tail, as used on the de Havilland Sea Vampire and Sea Venom. The Sea Vixen became the first British aircraft to be solely armed with missiles, rockets and bombs. The Sea Vixen FAW.1 was armed with four de Havilland Firestreak air-to-air missiles, two Microcell unguided 2 inch (51 mm) rocket packs and had a capacity for four 500 lb (227 kg) or two 1,000 lb (454 kg) bombs. It was powered by two 11,230 lbf (50.0 kN) thrust Rolls-Royce Avon 208 turbojet engines; had a speed of 690 mph (1,110 km/h) and a range of 600 mi (1,000 km). The original DH.110 design as offered to the RAF had cannons fitted; however the cannons were soon removed and an all-missile armament was developed.
The pilot's canopy is offset to the left hand side. The observer is housed to the right completely within the fuselage, gaining access through a flush-fitting top hatch into his position, nicknamed the "Coal Hole".
The Sea Vixen FAW.2 was the successor to the FAW.1 and included many improvements. As well as Firestreak missiles, it could carry the Red Top AAM, four SNEB rocket pods and the air-to-ground Bullpup missile. An enlarged tail boom allowed for additional fuel tanks in the "pinion" extensions above and before the wing leading edge, and there was an improved escape system along with additional room for more electronic counter-measures equipment. However, the changes in aerodynamics meant that the 1,000 lb bomb was no longer able to be carried. Visually the FAW.1 and FAW.2 may be distinguished by the tail booms which extend forward over the leading edge of the wing on the FAW.2.
The FAW.2 first flew in 1962 and entered service with front line squadrons in 1964, with 29 being built and a further 67 FAW.1s being upgraded to FAW.2 standard. The FAW.1 began phasing out in 1966. In 1972, the career of the Sea Vixen FAW.2 came to an end. It was planned to replace the Sea Vixen with the F-4 Phantom II, with both HMS Ark Royal and Eagle to be refitted to take the new aircraft. In the event, due to defence cuts and following the decommissioning of HMS Eagle, only Ark Royal was converted to take the new aircraft.
A small number of Sea Vixen subsequently saw service in the less glamorous roles of drone, being redesignated Sea Vixen D.3. Only four were converted to the D.3 standard. though three more were sent to Farnborough for conversion but not converted. The last remaining airworthy Sea Vixen (XP924) was a D3 conversion. Some other Sea Vixens became target tugs and were redesignated as TT.2.
Read more about this topic: De Havilland Sea Vixen
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