The SCAN 20 was a 1940s French flying-boat training monoplane designed and built by Société de Constructions Aéro-Navales de Port-Neuf (SCAN). The prototype was built in secret in 1941. It was hidden until the liberation of France and first flown in 1945.
The Rohrbach Ro X Romar was a German long-range commercial flying-boat and the last aircraft designed and built by Rohrbach Metall Flugzeugbau GmbH.
The Hopfner HS-5/28 was a utility aircraft built in Austria in the late 1920s. It was a conventional, parasol-wing monoplane with seating for two occupants in tandem, open cockpits. The landing gear was of fixed, tailskid type with divided main units. Two examples were built with Walter NZ60 engines, followed by two more with the more powerful NZ85 for Swiss aeroclub use. One of these latter machines remained in service until 1934.
The Hopfner HS-8/29 was a utility aircraft built in Austria in the late 1920s based on the Hopfner HS-5/28. It used a modernised version of its predecessor's airframe, being a conventional, parasol-wing monoplane with seating for two occupants in tandem, open cockpits. The landing gear was of fixed, tailskid type with divided main units. The first prototype used the same Walter NZ 85 engine that the later HS-5/28s had used, but this was followed by 14 production examples with Siemens engines, and a single prototype with a de Havilland Gipsy III.
The Saro A.33 was a British prototype flying boat built by Saunders-Roe Limited in response to a British Air Ministry Specification R.2/33 and in competition with the Short Sunderland.
The Bréguet 790 Nautilus was a prototype French three-seat coastal patrol flying-boat designed and built by Bréguet Aviation to meet a requirement from the French navy.
The Militi M.B.2 Leonardo is an Italian single-seat powered flying-boat glider designed and built by Bruno Militi.
The Rolandas Kalinauskas RK-5 Ruth, also called the Viltis, is a Lithuanian light aircraft, designed and produced by Rolandas Kalinauskas, of Prienai. The aircraft is supplied as a complete ready-to-fly-aircraft.
The Albatros L.71 was a two-seat, single pusher engined biplane built in Germany in the 1920s.
The Collins Dipper was an American homebuilt flying boat that was designed and produced by Collins Aero of Chadds Ford, Pennsylvania and first flown in 1982. The aircraft was supplied in the form of plans for amateur construction. Only one was built and none remain registered.
The Eurofly Fire Fox is an Italian ultralight aircraft designed and produced by Eurofly srl of Galliera Veneta. The aircraft is supplied as a complete ready-to-fly-aircraft or as a kit for amateur construction.
The Eurofly Fire Cat is an Italian ultralight aircraft that was designed and produced by Eurofly srl of Galliera Veneta. Now out of production, when it was available the aircraft was supplied as a complete ready-to-fly-aircraft or as a kit for amateur construction.
The Microleve ML 450 is a Brazilian microlight aircraft that was designed and produced by Microleve of Rio de Janeiro. When it was available the aircraft was supplied as a complete ready-to-fly-aircraft or as a kit for amateur construction.
The Midwest Questar Sport is an American ultralight aircraft that was designed and produced by Midwest Engineering of Overland Park, Kansas. When it was available the aircraft was supplied in the form of plans for amateur construction, but the plans were withdrawn on 29 June 2000.
The Progressive Aerodyne Stingray is an American homebuilt flying boat that was designed by and produced by Progressive Aerodyne of Orlando, Florida, introduced in the 1990s. When it was available the aircraft was supplied as a kit for amateur construction.
The WNF Wn 16 was an Austrian experimental aircraft built near the start of World War II to test a tricycle undercarriage.
The Lioré et Olivier LeO H-23 was a French military flying boat, primarily intended for coastal reconnaissance, though able to carry a small bomb load. Only one was built.
The Sunward STB is a Chinese amphibious ultralight trike, designed and produced by Sunward Tech of Zhuzhou. The aircraft is supplied complete and ready-to-fly.
The Hansa-Brandenburg W.18 was a single-seat German fighter flying boat of World War I. It was used by both the Kaiserliche Marine and the Austro-Hungarian Navy.
The Hiro H3H1 or Navy Type 90-1 Flying boat was a Japanese flying boat bomber built in 1931. It was the first large all-metal aircraft built in Japan. Only one was completed.
