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 87 and U 89 had one 10.5 cm/45 and one 8.8 cm/30 deck guns, U 88 was probably equally armed. U 90 - U 92 were armed with one 10.5 cm/45 gun (140-240 rounds).

U-88 is most notable for sinking and taking with her Kapitänleutnant Walther Schwieger, responsible for sinking the RMS Lusitania when he was commander of 'SMU U-20 (Germany). The submarine was lost with all hands on 5 September 1917 when being chased by HMS Stonecrop, hit a British mine and sank north of Terschelling at 53.95°N, 4.91667°W.