(1932) – General-purpose flying boat. Supermarine Walrus (1933) – Amphibian fleet spotter. Supermarine Type 224 (1934) – Unsuccessful design for a fighter aircraft to Air Ministry specification F.7/30. Supermarine Spitfire (1936) – Single-seat fighter. Supermarine Seafire (1941) – Single-seater carrier-based fighter version of the Spitfire. Supermarine Spitfire (early Merlin powered variants) – Merlin engine variants. Supermarine Spitfire (late Merlin powered variants) – Two-stage Merlin engine variants. Supermarine Spitfire (Griffon powered variants) – Two-stage Griffon engine variants. Supermarine Spitfire variants: specifications, performance and armament Supermarine Sea Otter (1938) – Flying boat. Type 322 also S.24/37 (1939) – Naval Dive-Bomber prototype. Nicknamed ‘Dumbo’ this was an unsuccessful prototype wooden dive-bomber with variable incidence wing. Used as a design test-bed. Supermarine Spiteful (1944) – Replacement for the Spitfire. Supermarine Seafang (1946) – Naval development of Spiteful. Supermarine Attacker (1946) – Jet fighter. Supermarine Seagull ASR-1 (1948) – Air-sea rescue and reconnaissance. Type 508 (1951) – Twin Nene engined fighter prototype with Attacker wings and a V-tail which initially had no undercarriage as it was designed to Naval specification for "mat" landings on aircraft carriers. Type 510 (1948) – Prototype which had an Attacker fuselage fitted with swept wings and tail surfaces. It was the first fully swept wing aircraft to land on an aircraft carrier Supermarine 521 (1950) – Modified Attacker fuselage as basis for Handley Page HP.88. Type 535 (1950) – Swift predecessor with Nene engine. Supermarine Swift (1951) – Jet fighter. Type 525 (1954) – Similar to the Type 529 but with swept wings and conventional tail arrangement. Immediate predecessor of Scimitar. Type 545 – Supersonic version of the Swift. Prototype built but cancelled before flown. Supermarine Scimitar (1956) – Naval ground attack aircraft. Designs and submissions only Supermarine Type 178 00 (1929) – Sea Hawk three-engined civilian flying boat. Supermarine Type 178 01 (1931) – Monoplane civilian mail carrier. Supermarine Type 178 02 (1931) – Single-engine bomber and reconnaissance amphibian. Supermarine Type 178 03 (1931) – Twin-engined air mail flying boat. Supermarine Type 178 04 (1931) – Twin-engined Southampton flying boat. Supermarine Type 178 05 (1931) – Twin-engined flying boat. Supermarine Type 178 06 (1931) – Sea Hawk three-engined biplane flying boat. Supermarine Type 178 07 (1931) – Southampton IV. Supermarine Type 178 08 (1931) – Proposal to reduce landing speed of the S.6b. Supermarine Type 178 09 (1931) – High performance day bomber. Supermarine Type 178 10 (1931) –