SM U-66
German submarine / From Wikipedia, the free encyclopedia
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SM U-66 was the lead ship of the Type U-66 submarines or U-boats for the Imperial German Navy (German: Kaiserliche Marine) during World War I. The submarine had been laid down in Kiel in November 1913 as U-7, the lead ship of the U-7 class for the Austro-Hungarian Navy (German: Kaiserliche und Königliche Kriegsmarine or K.u.K. Kriegsmarine). They became convinced after the outbreak of war in August 1914 that none of these submarines could be delivered to the Adriatic via Gibraltar, and sold the entire class, including U-7, to the German Imperial Navy in November 1914.
History | |
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German Empire | |
Name | U-66 |
Ordered | 2 February 1913 |
Builder | Germaniawerft, Kiel[1] |
Yard number | 203[2] |
Laid down | 1 November 1913, as U-7 (Austria-Hungary)[2] |
Launched | 22 April 1915[2] |
Commissioned | 23 July 1915[2] |
Fate | Missing since 3 September 1917, possibly in the Dogger Bank area to a mine. 40 dead (all hands lost)[2] |
General characteristics [3] | |
Type | German Type U 66 submarine |
Displacement |
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Length |
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Beam |
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Height | 7.95 m (26 ft 1 in) |
Draft | 3.79 m (12 ft 5 in) |
Propulsion |
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Speed |
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Range |
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Test depth | 50 m (160 ft) |
Complement | 4 officers, 32 enlisted men |
Armament |
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Service record | |
Part of: |
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Commanders: | |
Operations: | 7 patrols |
Victories: |
Under German control, the class became known as the U-66 type and the boats were renumbered; U-7 became U-66, and all were redesigned and reconstructed to German specifications. U-66 was launched in April 1915 and commissioned in July. As completed, she displaced 791 tonnes (779 long tons) when surfaced and 933 tonnes (918 long tons) submerged. The boat was 69.50 metres (228 ft) long and was armed with five torpedo tubes and a deck gun.
As a part of the Baltic and IV Flotillas, U-66 sank 25 ships with a combined gross register tonnage of 73,847 in six war patrols. The U-boat also torpedoed and damaged the British cruiser Falmouth in August 1916. U-66 left Emden on her seventh patrol on 2 September 1917 for operations in the North Channel. The following day the U-boat reported her position in the North Sea but neither she nor any of her 40-man crew were ever heard from again. A postwar German study offered no explanation for U-66's loss, although British records suggest that she may have struck a mine in the Dogger Bank area.