The Bristol Bulldog is a British Royal Air Force single-seat biplane fighter designed during the 1920s by the Bristol Aeroplane Company. More than 400 Bulldogs were produced for the RAF and overseas customers, and it was one of the most famous aircraft used by the RAF during the inter-war period.
The Gloster Grebe was developed by the Gloster Aircraft Company from the Gloster Grouse, and was the Royal Air Force's first post-First World War fighter aircraft, entering service in 1923.
The Gloster Gauntlet was a single-seat biplane fighter designed and produced by the British aeroplane manufacturer Gloster Aircraft in the 1930s. It was the last fighter to be operated by the Royal Air Force (RAF) to have an open cockpit, and also the penultimate biplane fighter in its service.
The Gloster F.9/37, also known as the Gloster G.39, was a British twin-engined design from the Gloster Aircraft Company for a cannon-armed heavy fighter to serve with the Royal Air Force, planned before the Second World War. The F.9/37 was rejected in favour of other designs.
The Gloster F.5/34 was a British fighter of the 1930s. It was a single-seat, single-engine monoplane of all-metal cantilever construction; the undercarriage was of the tailwheel type with retractable main wheels.
The Vickers Type 143 or Bolivian Scout was a British single-seat fighter biplane designed and built by Vickers in 1929–1930. Six were built for Bolivia in 1930, which used the survivors in the Chaco War against Paraguay.
The Vickers Type 121 Wibault Scout was a British fighter built by Vickers in the 1920s. It was a licensed version of the French Wibault 7 aircraft, with 26 being sold to Chile in 1926, where they served until 1934.
The Hawker P.V.3 was a British single-engined biplane fighter prototype of the 1930s. Only a single example was built, the Gloster Gladiator being selected instead to fulfill the requirement to which it was designed.
The Supermarine Type 224 was a British gull-wing monoplane fighter aircraft designed by R.J. Mitchell at Supermarine in response to Air Ministry Specification F.7/30, which sought to introduce a new fighter to succeed the Gloster Gauntlet. The Type 224 was powered by a Rolls-Royce Goshawk engine, which used an experimental evaporative cooling system.
The Westland Interceptor was a fighter developed by the British company Westland Aircraft to Air Ministry Specification F.20/27. When tested in 1929 and 1930, it showed unsatisfactory handling characteristics and was rejected by the RAF in favour of the Hawker Fury biplane fighter.
The Bristol Type 133 was a single-seat, single-engine monoplane fighter armed with four guns, using stressed-skin construction and with a retractable undercarriage. It was built by The Bristol Aeroplane Co. to meet Specification F.7/30. The single example crashed before the trials commenced.
The Bristol Type 146 was a British single-seat, eight-gun fighter monoplane prototype built to a mid-1930s Air Ministry contract. Powered by an aircooled radial engine, it was outclassed by Rolls-Royce Merlin inline engined fighters, and only one was built.
The Vickers Vireo was an experimental low wing all-metal monoplane built to explore both all-metal service aircraft and the use of catapult launched ship board fighters. Only one was built.
The Vickers Type 151 Jockey was an experimental low-wing monoplane interceptor fighter powered by a radial engine. It was later modified into the Type 171 Jockey II, which had a more powerful engine and detail improvements. Only one was built; it was lost before its development was complete, but the knowledge gained enabled Vickers to produce the more refined Venom.
The Vickers Type 161 was an unusual 1930s pusher biplane interceptor, designed to attack aircraft from below with a single upward-angle large calibre gun. The aircraft flew well but the concept was abandoned and only one was built.
The Vickers Type 253 was a single-engined two-seat biplane general-purpose military machine built to a 1930 government specification. It won a production contract, but this was transferred to the same company's monoplane equivalent, the Wellesley. Only one Type 253 was built.
The Westland F.7/30 was a British fighter prototype. A single prototype was built in 1934, but the type was not put in production because its performance fell far below the RAF's requirements. The Gloster Gladiator won the F.7/30 competition.
The Vickers F.B.16 was a British single-seat fighter aircraft of the First World War. It was originally designed to be powered by an experimental radial engine, development of which was abandoned. When re-engined with more powerful and reliable water-cooled V-8 engines, the F.B.16 demonstrated good performance, but only a few prototypes were built, the type not entering service.
The Vickers F.B.24 was a British two-seat fighter aircraft of the First World War. Only a few prototypes were built, as, although it had good performance, the Bristol F.2 Fighter was preferred.
The Blackburn F3 was a British single-engined fighter aircraft produced in response to Air Ministry Specification F.7/30.
