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The Dornier Do 22 was a German
seaplane A seaplane is a powered fixed-wing aircraft capable of takeoff, taking off and water landing, landing (alighting) on water.Gunston, "The Cambridge Aerospace Dictionary", 2009. Seaplanes are usually divided into two categories based on their tec ...
, developed in the 1930s. Despite good performance, it was built only in small numbers and entirely for the export market. The type was operated in the
Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
by
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
,
Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...
and
Yugoslavia Yugoslavia (; sh-Latn-Cyrl, separator=" / ", Jugoslavija, Југославија ; sl, Jugoslavija ; mk, Југославија ;; rup, Iugoslavia; hu, Jugoszlávia; rue, label=Pannonian Rusyn, Югославия, translit=Juhoslavija ...
.


Development and design

In 1934, Dornier's
Swiss Swiss may refer to: * the adjectival form of Switzerland * Swiss people Places * Swiss, Missouri * Swiss, North Carolina *Swiss, West Virginia * Swiss, Wisconsin Other uses *Swiss-system tournament, in various games and sports *Swiss Internation ...
subsidiary, based at its factory at
Altenrhein Thal is a village and municipality in the ''Wahlkreis'' (constituency) of Rorschach in the canton of St. Gallen in Switzerland. Besides the village of Thal itself, the municipality also includes the villages of Altenrhein, Buechen, Buriet and St ...
, designed a three-seat, single-engined military
floatplane A floatplane is a type of seaplane with one or more slender floats mounted under the fuselage to provide buoyancy. By contrast, a flying boat uses its fuselage for buoyancy. Either type of seaplane may also have landing gear suitable for land, ...
, the Do C3; two
prototype A prototype is an early sample, model, or release of a product built to test a concept or process. It is a term used in a variety of contexts, including semantics, design, electronics, and Software prototyping, software programming. A prototyp ...
s were built,Smith and Kay 1974, p.119. with the first flown in 1935. It was a
parasol wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...
monoplane A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...
of fabric-covered all-metal construction. Its slightly swept back wing was attached to the fuselage by bracing struts, and its two floats were braced to both the wing and fuselage. It was powered by a
Hispano-Suiza 12Ybrs The Hispano-Suiza 12Y was an aircraft engine produced by Hispano-Suiza for the French Air Force before the Second World War. The 12Y became the primary French 1,000 hp (750 kW) class engine and was used in a number of famous aircraft ...
engine driving a three-bladed
propeller A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ...
, and could carry a single torpedo or bombs under the fuselage. Defensive armament was one fixed forward-firing
machine gun A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifles) a ...
, also two in the rear cockpit and one in a ventral tunnel.Green 1962, p.66. The first production model, known as the ''Do 22/See'' when fitted with floats, did not fly until 15 July 1938 from Dornier's factory at
Friedrichshafen Friedrichshafen ( or ; Low Alemannic: ''Hafe'' or ''Fridrichshafe'') is a city on the northern shoreline of Lake Constance (the ''Bodensee'') in Southern Germany, near the borders of both Switzerland and Austria. It is the district capital (''Kre ...
, Germany, although it did incorporate parts made in Switzerland. While the ''
Luftwaffe The ''Luftwaffe'' () was the aerial-warfare branch of the German ''Wehrmacht'' before and during World War II. Germany's military air arms during World War I, the ''Luftstreitkräfte'' of the Imperial Army and the '' Marine-Fliegerabtei ...
'' was not interested in the aircraft, examples were sold to Yugoslavia, Greece and
Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of ...
. In March 1939, a prototype with
conventional landing gear Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.Crane, Dale: ''Dictionary of Aeronautical Term ...
(the Do 22L), was completed and test-flown, but it did not enter production.Smith and Kay 1974, p.119–120.


Operational history

The Greek Do 22s were destroyed during the German invasion of the Balkans in 1941, but the crews of eight of the Yugoslav machines successfully evaded capture or destruction by fleeing to
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...
. There they flew under the control of the British
Royal Air Force The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) and ...
until the lack of spare parts made the aircraft unusable.March 1998, p.230. The four Latvian aircraft had not been delivered when the Soviet Union occupied Latvia in 1940, and were retained by Germany. In 1942 they were transferred to
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
, being used on floats or skis until the end of the war.


Variants

;Do C3 :Prototypes of the Do 22, two built ;Do 22Kg : Export version for Greece. ;Do 22Kj : Export version for Yugoslavia. ;Do 22Kl : Export version for Latvia. Not delivered, but eventually transferred to Finland. ;Do 22L : Land-based aircraft, fitted with a conventional landing gear. One prototype only.


Operators

;:
Finnish Air Force The Finnish Air Force (FAF or FiAF; fi, Ilmavoimat, , Air forces; sv, Flygvapnet, , Air weapon) is one of the branches of the Finnish Defence Forces. Its peacetime tasks are airspace surveillance, identification flights, and production of Finnis ...
– four Do 22KI Backwoods Landing Strip
Finnish Air Force aircraft
/ref> ; *
Hellenic Air Force , colours = , colours_label = , march = , mascot = , anniversaries = 8 November , equipment = , equipment_label ...
; *
Latvian Air Force Latvian Air Force ( lv, Latvijas Gaisa spēki) is the aviation branch of the National Armed Forces. The first air force (AF) units were established 1992. It has no air combat capability, thus the defense of Latvian air space is maintained by NATO ...
;:
Yugoslav Royal Navy The Royal Navy ( sh-Latn, Kraljevska mornarica; sh-Cyrl, Краљевска морнарица; КМ), commonly the Royal Yugoslav Navy, was the naval warfare service branch of the Kingdom of Yugoslavia (originally called the Kingdom of Serbs ...
– 12


Specifications (Do 22)


See also


Notes


References

* *Donald, David (ed.) ''The Encyclopedia of World Aircraft''. Leicester, UK: Blitz Editions. . *Green, William. ''War Planes of the Second World War: Volume Six Floatplanes''. London:Macdonald, 1962. * * * * *March, Daniel J. ''British Warplanes of World War II''. London:Aerospace Publishing, 1998. . * *Smith, J.R. and Kay, Antony L. ''German Aircraft of the Second World War''. London:Putnam, 1972. .


External links


A history of military equipment of Modern Greece (1821 - today): Greek Do.22 Kg
{{Authority control Do 022 1930s German bomber aircraft World War II aircraft of Finland Aircraft first flown in 1938 Single-engined tractor aircraft Parasol-wing aircraft Floatplanes