The Margarita, a steamship laden with a cargo of coke, 2788 GRT, built 1903 J. Blumer & Co. Sunderland, England, owner Buenos Ayres Great Southern Railway Co. Ltd. (A. Holland & Co.), London, England.
This vessel in passage from the River Tyne, England, for the White Sea, Russia, struck a mine laid by the German submarine UC 40, Captain Hermann Menzel, at a position approx 1 mile S of Bressay Lighthouse on September 10th 1917. All aboard are believed to have survived.
The vessel was heavily damaged, and was only repaired and returned to sea in 1921.
The Parkmill struck a mine and sank in the same area on the same day. The Asia and the Glenelg also struck mines in the same area two days later, the Asia sank and the Glenelg was damaged. All of the mines had been laid by the same submarine.