World War I: The tanker was torpedoed and damaged in the Atlantic Ocean 20 nautical miles (37 km) west of the Isles of Scilly by SM U-30 (Imperial German Navy) with the loss of three crew and was beached. She was subsequently repaired and returned to service.
World War I: The C-class destroyer was torpedoed and sunk in the North Sea 30 nautical miles (56 km) south west of the Galloper Lightship (United Kingdom) by SM UB-6 (Imperial German Navy) with the loss of 34 of her crew.[9]
World War I: The trawler was shelled and sunk in the North Sea 50 nautical miles (93 km) south east of Aberdeen by SM U-41 (Imperial German Navy) with the loss of four of her eleven crew. The survivors were rescued by T. W. Stewart (United Kingdom).[11][12]
World War I: The cargo ship was reported to have been torpedoed and sunk in the North Sea by a German submarine. All eighteen people on board were rescued by Jeno (Denmark).[5]
World War I: The trawler was shelled and sunk in the North Sea 22 nautical miles (41 km) east of Aberdeen by SM U-41 (Imperial German Navy). Her crew survived.[13][14]
World War I: The trawler was shelled and sunk in the North Sea 14 nautical miles (26 km) east by north of Girdleness, Aberdeenshire by SM U-41 (Imperial German Navy). Her crew survived.[14][15]
World War I: The trawler was captured and scuttled in the North Sea 160 nautical miles (300 km) east north east of Spurn Point by SM U-9 (Imperial German Navy).[14][23] Her nine crew were rescued by the trawler Etruscan (United Kingdom).[22]
World War I: The trawler was shelled and sunk in the North Sea 160 nautical miles (300 km) east north east of Spurn Point by SM U-9 (Imperial German Navy).[14][24] Her nine crew were rescued by the trawler Etruscan (United Kingdom).[22]
World War I: The trawler was captured and scuttled in the North Sea 150 nautical miles (280 km) east north east of Hornsea, Yorkshire by SM U-9 (Imperial German Navy).[14][25] Her crew were rescued by the trawler Leonardo (United Kingdom).[22]
World War I: The trawler was captured and scuttled in the North Sea 140 nautical miles (260 km) east north east of Hornsea by SM U-9 (Imperial German Navy).[14][26] Her crew were rescued by the trawler Leonardo (United Kingdom).[22]
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 50 nautical miles (93 km) south west of the Wolf Rock by SM U-30 (Imperial German Navy) with the loss of two or her 25 crew. The survivors were rescued by two fishing vessels.[27][28][29]
World War I: The trawler was captured and scuttled in the North Sea 125 nautical miles (232 km) east north east of Hornsea by SM U-9 (Imperial German Navy).[14][30] Her crew were rescued by the trawler Leonardo (United Kingdom).[22]
World War I: The trawler was captured and scuttled in the North Sea 155 nautical miles (287 km) east north east of Spurn Point by SM U-9 (Imperial German Navy).[14][32] Her eleven crew were rescued by the trawler Etruscan (United Kingdom).[22]
World War I: The trawler was shelled and sunk in the North Sea 50 nautical miles (93 km) east south east of Aberdeen by SM U-39 (Imperial German Navy). Her crew survived.[14][33]
World War I: The cargo ship was torpedoed and sunk in St. George's Channel 120 nautical miles (220 km) south of the Coningbeg Lightship (United Kingdom) by SM U-20 (Imperial German Navy). Her crew survived.[29][42]
World War I: The trawler struck a mine and sank in the North Sea 100 nautical miles (190 km) east by south of Spurn Point, Yorkshire with the loss of seven of her crew.[14]
World War I: The trawler struck a mine and sank in the North Sea 160 nautical miles (300 km) east north east of the Spurn Lightship (United Kingdom) with the loss of nine of her crew.[14]
World War I: The collier was torpedoed and sunk in the Atlantic Ocean 50 nautical miles (93 km) south west of Start Point by SM U-41 (Imperial German Navy) with the loss of five crew.[29][85][86]
World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 40 nautical miles (74 km) north of Ouessant by SM U-41 (Imperial German Navy). Her crew survived.[29][93]