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A coastal submarine or littoral submarine is a small, maneuverable
German submarine construction between the world wars began in 1935 with the building of 24 Type II coastal submarines. These coastal U-boats, with another eight completed prior to hostilities, made North Sea combat patrols during the early months of World War II and then served in the Baltic Sea training crews to operate ocean-going submarines. The
* German Type UB I submarine
* German Type UB II submarine
* German Type UB III submarine
* German Type UC I submarine
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A coastal submarine or littoral submarine is a small, maneuverable submarine
A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...
with shallow draft well suited to navigation of coastal channels and harbors. Although size is not precisely defined, coastal submarines are larger than midget submarines, but smaller than sea-going submarines designed for longer patrols on the open ocean. Space limitations aboard coastal submarines restrict fuel availability for distant travel, food availability for extended patrol duration, and number of weapons carried. Within those limitations, however, coastal submarines may be able to reach areas inaccessible to larger submarines, and be more difficult to detect.
History
The earliest submarines were effectively coastal submarines, but as modern submarine tactics developed during World War I, the advantages of rapid construction and portability encouraged development of UB torpedo launching, and UC minelaying coastal submarines in 1915 to operate in the English Channel. These coastal submarines displaced only 15 to 20 percent the weight of a contemporary conventional U-boat, could be built in one-quarter the time it took to complete a conventional U-boat, and be delivered on railway wagons to operating bases in Belgium. Improved versions of UB and UC coastal submarines were devised. Total production of German coastal submarines during World War I was 136 type UB and 95 type UC.
German submarine construction between the world wars began in 1935 with the building of 24 Type II coastal submarines. These coastal U-boats, with another eight completed prior to hostilities, made North Sea combat patrols during the early months of World War II and then served in the Baltic Sea training crews to operate ocean-going submarines. The 30th U-boat Flotilla
30th U-boat Flotilla ("30. Unterseebootsflottille") of Nazi Germany's ''Kriegsmarine'' was formed in October 1942. Six U-boats reached the Black Sea after a transport over land and canals ''The 30th Flotilla was founded in October 1942 under the c ...
of six Type II U-boats was transported overland on the Autobahn and then down the Danube for combat patrols in the Black Sea until September 1944.
Examples
* German Type UB I submarine
* German Type UB II submarine
* German Type UB III submarine
* German Type UC I submarine
* German Type UC II submarine
Type UC II minelaying submarines were used by the Imperial German Navy during World War I. They displaced 417 tons, carried guns, 7 torpedoes
A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-prope ...
* German Type UC III submarine
* British H-class submarine
The British H-class submarines were Holland 602 type submarines used by the Royal Navy. The submarines constructed for the British Royal Navy between 1915 and 1919 were designed and built in response to German boats which mined British wat ...
* German Type II submarine
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* German Type XVII submarine
* Type XXIII submarine
* Ha-201-class submarine
* Type 201 submarine
* Type 205 submarine
* Type 206 submarine
The Type 206 is a class of diesel-electric submarines (U-boats) developed by Howaldtswerke-Deutsche Werft (HDW). Its design is based on the preceding Type 205 submarine class. These small and agile submarines were built during the Cold War to op ...
* Sang-O-class submarine
The ''Sang-O'' (''Shark'') class of submarines (Hangul: 상어급 잠수함) are diesel-electric coastal submarines in service with the Korean People's Navy, the navy of North Korea. They are the country's second largest indigenously-built subma ...
* Gotland-class submarine
* Fateh-class submarine
* Andrasta-class submarine
Andrasta is a submarine design concept announced by the French shipbuilder DCNS in 2008. A development of the and based on the previous SMX-23 concept, it is a smaller vessel optimised for shallow water operations. DCNS advertising material ...
See also
* List of submarine operators * List of submarine classes in serviceNotes
Sources
* * * {{Warship types of the 19th & 20th centuries Submarines by type