British trawlers probably sunk enemy submarine off Scotland in June 1917

In the meeting of the British War Cabinet on Tuesday 26 June 1917 reported the First Sea Lord (1) that three armed trawlers attacked an enemy submarine using depth charges on the postion 6 miles south-east by east of Scurdie Ness, Scotland. After some time were large quantities of oil seen on the surface so it was assumed that the submarine sunk.

Note

1. Sir John Jellicoe (5 December 1959 Southampton, England-20 November 1935 Kensington, London, England), Admiral of the Fleet, First Sea Lord 30 November 1916-10 January 1918.

Source

The National Archives, Kew Gardens, England CAB 37-23-3-17