History | |
---|---|
German Empire | |
Name | U-121 |
Builder | AG Vulcan, Hamburg |
Cost | 6,177,000 Goldmark |
Yard number | 95 |
Launched | 20 September 1918 |
In service | 9 March 1919 |
Fate |
|
General characteristics [1] | |
Class and type | Type UE II submarine |
Type | Coastal minelaying submarine |
Displacement | |
Length | 81.52 m (267 ft 5 in) (o/a) |
Beam | 7.42 m (24 ft 4 in) |
Height | 10.16 m (33 ft 4 in) |
Draught | 4.22 m (13 ft 10 in) |
Installed power |
|
Propulsion | 2 shafts, 2 × 1.61 m (5 ft 3 in) propellers |
Speed |
|
Range |
|
Test depth | 75 m (246 ft) |
Complement | 4 officers, 36 enlisted |
Armament |
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SM U-121 [Note 1] was a Type UE II long-range minelaying U-boat of the Imperial German Navy intended for service in the Mediterranean. The Austro-Hungarian Navy allocated her the number SM U-84. She was built at Hamburg, Germany, by Aktiengesellschaft Vulcan and launched on 20 September 1918. Incomplete at the Armistice she was never commissioned in the Imperial German Navy but surrendered to the Allies at Harwich on 9 March 1919. Handed over to France, she was sunk as a gunnery target off Cherbourg on 1 July 1921. [2]
SM UB-40 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I.
SM UB-132 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 25 July 1918 as SM UB-132.
SM UB-68 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 20 May 1916. It was commissioned into the German Imperial Navy on 5 October 1917 as SM UB-68. The submarine conducted five patrols and sank five ships during the war. Under the command of Karl Dönitz, on 4 October 1918 UB-68 encountered technical problems and had to surface where she was sunk by gunfire at 33°56′N16°20′E. There was one dead and thirty-three survivors. Other sources name the British warships involved in the sinking of UB-68 as HMS Snapdragon and HMS Cradosin, and claim four crew members died in the event.
SM U-13 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-13 was engaged in the naval warfare and took part in the First Battle of the Atlantic.
SM U-43 was one of 329 submarines serving in the Imperial German Navy in World War I. She engaged in commerce warfare in the First Battle of the Atlantic, performing 11 patrols from 1915–1918.
SM U-48 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-48 was engaged in the naval warfare and took part in the First Battle of the Atlantic.
SM U-153 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-153 was engaged in the naval warfare and took part in the First Battle of the Atlantic.
SM UB-56 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the Flanders Flotilla of the German Imperial Navy on 19 July 1917 as SM UB-56.
SM UB-66 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 1 August 1917 as SM UB-66.
SM UB-67 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 23 August 1917 as SM UB-67.
SM UB-71 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 23 November 1917 as SM UB-71.
SM UB-82 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 8 September 1917 as SM UB-82.
SM UB-98 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 8 August 1918 as SM UB-98.
SM UB-104 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 15 March 1918 as SM UB-104.
SM UB-125 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 18 May 1918 as SM UB-125.
SM UB-126 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 20 April 1918 as SM UB-126.
SM UB-127 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 1 June 1918 as SM UB-127.
SM UB-142 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 31 August 1918 as SM UB-142.
SM UB-143 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 3 October 1918 as SM UB-143.
SM UB-148 was a German Type UB III submarine or U-boat built for the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 19 September 1918 as UB-148. UB-148 was surrendered to the United States in accordance with the requirements of the Armistice with Germany on 1 December 1918 and later sunk as target by USS Sicard.