SM U-88

SM U-88 was a Type U 87 submarine built for the Imperial German Navy (Kaiserliche Marine) in World War I. U-88 was engaged in the naval warfare and took part in the First Battle of the Atlantic. U-88 is most notable for sinking and taking with her Kapitänleutnant Walther Schwieger, responsible for sinking the when he was commander of . The submarine came to an end on 5 September 1917 when she struck a British mine and sank in the North Sea north of Terschelling at . Everyone on board U-88 was killed. German Type U 87 submarines were preceded by the shorter Type U 81 submarines. U-88 had a displacement of when at the surface and while submerged. She had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two engines for use while surfaced, and two engines for use while submerged. She had two propeller shafts. She was capable of operating at depths of up to . The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, she could operate for at ; when surfaced, she could travel at . U-88 was fitted with four torpedo tubes (two at the bow and two at the stern), ten to twelve torpedoes, one SK L/45 deck gun, and probably one SK L/30 deck gun. She had a complement of thirty-six (thirty-two crew members and four officers).