SM U-77

SM U-77 was one of 329 submarines serving in the Imperial German Navy in World War I, engaged in commerce warfare during the First Battle of the Atlantic.

Operations
U-77. Commanded by Kaptlt. Erich Günzel, lost with her. Came off the stocks at Hamburg (Vulcan) in 1916; in May and June was at Kiel School, and first entered North Sea with U-76 on 29 June, to join the 1st Half Flotilla.
 * 5 July 1916. Left for the north, and laid mines between about 57.75°N, -2.2°W and 57.78333°N, -2.38333°W. It seems possible she sank in 57.58333°N, -1.45°W before midnight 7 July 1916 as a result of some accident. Before this she had laid mines off Kinnaird Head.