Heavy diesel boat, suffered from numerous design flaws. Upgraded fleet ocean boat used in the opening years of World War IIĮnhanced fleet ocean boat with better diving abilities Standard pre-World War II fleet ocean boat Never went beyond initial designsįirst post World War I long range fleet ocean boat Project was cancelled in lieu of contracts for the Type XXI electrical attack boatsĮarly designs indicate this was to be a deep diving submarineĭesigned to be used as torpedo transport. Upgraded attack boat with several additional offensive and defensive features as well as better diving ability. Special variant of Type VII which removed the deck gun and added extra anti-aircraft guns Standard attack submarine in the early months of World War IIĪttack submarine 'work horse' for the majority of World War II. Prototype boat, known as V-80, to test a chemical reaction engine.įirst practical post-World War I attack submarine Project discontinued due to difficulties launching small boats in heavy seasįirst attempt at a designing a supply U-boat for replenishment at sea. Prototype small boat carrier designed to hold two fast torpedo boats. This list contains the German U-boats types prior or during the Second World War.įleet going ocean boat modeled on World War I designsĭesign schematics created for a mine-layer submarine. This list contains the German U-boats types prior or during the First World War. The terms of the Anglo-German naval agreement acknowledged the official building of new U-boats. In the period between the two World Wars the Reichsmarine of the Weimar Republic was not allowed to build submarines according to the Treaty of Versailles development was undertaken secretly through a Dutch company NV Ingenieurskantoor voor Scheepsbouw before the mid-1930s. The anglicized word U-boat is usually only used as reference for German submarines in the two World Wars and therefore postwar submarine in the Bundesmarine and later German Navy are not included. List of U-boat types contains lists of the German U-boat types ( submarine classes) used in World War I and World War II.

U boat type vii c 41