The Dornier Do 20 was a proposed commercial flying boat designed in the mid-1930s. It was envisaged as an improved and enlarged version of the Dornier Do X Flugschiff (flying ship) that first flew in 1929. The Do X was not entirely successful, being under-powered despite using six pairs of engines mounted above the wing, and only three were built. Dornier proposed to overcome the shortcomings of the Do X by replacing the pylon-mounted engines with four pairs of diesel engines each of about 1,000 horse power, each pair fitted into a nacelle fared into the leading edge of the wing and driving one of the aircraft's four propellers.
A model of the aircraft was exhibited at the 1936 International Aviation Exhibition in Stockholm (ILIS) and details were published in the 1937 edition of Jane's All the World's Aircraft . No orders were received and no Do 20 aircraft were ever built.
The Dornier Do 17 is a twin-engined light bomber designed and produced by the German aircraft manufacturer Dornier Flugzeugwerke. Large numbers were operated by the Luftwaffe throughout the Second World War.
The Dornier Do 335Pfeil (Arrow) is a heavy fighter built by Dornier for Germany during World War II. The Pfeil's performance was predicted to be better than other twin-engine designs due to its unusual push-pull configuration and the lower aerodynamic drag of the in-line alignment of the two engines. It was Nazi Germany's fastest piston-engined aircraft of World War II. The Luftwaffe was desperate to get the design into operational use, but delays in engine deliveries meant that only a handful were delivered before the war ended.
The Dornier Do 217 was a bomber used by the German Luftwaffe during World War II. It was a more powerful development of the Dornier Do 17, known as the Fliegender Bleistift. Designed in 1937-38 as a heavy bomber but not meant to be capable of the longer-range missions envisioned for the larger Heinkel He 177, the Do 217's design was refined during 1939 and production began in late 1940. It entered service in early 1941 and by the beginning of 1942 was available in significant numbers.
The Blohm & Voss BV 138Seedrache was a trimotor flying boat designed and built by the German aircraft manufacturer Blohm & Voss. It served as the Luftwaffe's primary seaborne long-range maritime patrol and naval reconnaissance aircraft operated by the Luftwaffe during the Second World War.
The Dornier Do X was the largest, heaviest, and most powerful flying boat in the world when it was produced by the Dornier company of Germany in 1929. First conceived by Claude Dornier in 1924, planning started in late 1925 and after over 240,000 work-hours it was completed in June 1929.
The Dornier Do 18 was a development of the Do 16 flying boat. It was developed for the Luftwaffe, but Deutsche Luft Hansa received five aircraft and used these for tests between the Azores and the North American continent in 1936 and on their mail route over the South Atlantic from 1937 to 1939.
The Dornier Do 24 is a 1930s German three-engine flying boat designed by the Dornier Flugzeugwerke for maritime patrol and search and rescue. A total of 279 were built among several factories from 1937 to 1945.
An aircraft constructed with a push-pull configuration has a combination of forward-mounted tractor (pull) propellers, and backward-mounted (pusher) propellers.
The Savoia-Marchetti S.55 was a double-hulled monoplane flying boat designed and produced by the Italian aircraft manufacturer Savoia-Marchetti. It was designed to perform both commercial and military applications.
The Focke-Wulf Fw 191 was a prototype German bomber of World War II, as the Focke-Wulf firm's entry for the Bomber B advanced medium bomber design competition. Two versions were intended to be produced, a twin-engine version using the Junkers Jumo 222 engine and a four-engine variant which was to have used the smaller Daimler-Benz DB 605 engine. The project was eventually abandoned due to technical difficulties with the engines.
The Dornier Do 31 is an experimental, jet-propelled, vertical take-off and landing (VTOL) cargo aircraft that was designed and produced by West German aircraft manufacturer Dornier.
The type designation Dornier Do 28 comprises two different twin-engine STOL utility aircraft, manufactured by Dornier Flugzeugbau GmbH. Most of them served with the German Air Force and Marineflieger and other air forces around the world in the communications and utility role. The Do 28 series consists of the fundamentally different Do 28 A/B (1959) and Do 28 D Skyservant (1966).
The Dornier Do R Superwal was a flying boat airliner designed and produced by the German aircraft manufacturer Dornier.
The Dornier Komet (Comet), Merkur (Mercury), Do C, Do D, and Do T were a family of aircraft designed and manufactured by the German aircraft manufacturer Dornier Flugzeugwerke.
The Latécoère 300 series of aircraft were a group of civil and military flying boats. They were manufactured by French aircraft manufacturer Latécoère in the 1930s. A single Latécoère 300 was built; it was flown for the first time in 1931 and sank the same year. It was rebuilt and flown again in 1932, being named Croix du Sud.
The Dornier Do Y was a trimotor German monoplane bomber of the early 1930s designed by Dornier Flugzeugwerke to an order by the Royal Yugoslav Air Force (RYAF). The Yugoslavs originally intended to use war reparations to pay for them, but ultimately had to use their own funds. Only a pair of aircraft were initially ordered to give the Yugoslavs experience with multi-engine bombers and Dornier failed to sell any more Do Y's. Two improved versions were subsequently built on speculation, but failed to find purchasers until the RYAF bought them in 1935.
The Lioré et Olivier H-190 was a biplane flying boat aircraft designed and produced by the French aircraft manufacturer Lioré et Olivier.
The Zeppelin-Lindau Rs.I was a large three-engined biplane flying boat designed by Claudius Dornier and built during 1914–15 on the German side of Lake Constance. It was destroyed in a storm.
The Zeppelin-Lindau Rs.II was a biplane flying boat, designed by Claudius Dornier as a follow-on to his Zeppelin-Lindau Rs.I and built during 1914–1915 on the German side of Lake Constance. Initially this aircraft was powered by three engines mounted inside the hull driving three pusher propellers via gearboxes and shafts. The later version was powered by four engines in two push-pull nacelles mounted between the wings.
The Dornier Do S was a 22-passenger flying boat airliner flown in Germany in 1930.
Grey, C.G., et al., ed. (1937). Jane's all the World's Aircraft, 1937 Edition. London: Sampson Low, Marston & company, ltd.