“On this day in history” 27 August 1940, Royal Navy armed merchant cruiser HMS Dunvegan Castle (Capt. H. Ardill) struck by 3 torpedoes from submarine U-46 (Oblt. E. Endrass) while escorting Convoy SL-43 (convoy commodore RAdm. J. C. Hamilton).
The first torpedo struck Dunvegan Castle at 21.47 aft of the bridge, but the ship remained underway. The second torpedo struck the engine room at 22.12 and the third torpedo stuck forward of the bridge at 22.51.
Dunvegan Castle foundered and caught fire, with 27 men (3 officers, 24 ratings) killed. Convoy escorts HMS Harvester (LtCdr. M. Thornton) and HMS Primrose (LtCdr. C. Sanders) took off 240 survivors.

HMS Primrose (K91) rescued survivors from Dunvegan Castle.
Dunvegan Castle sank in position 54°54N/11°W, 75-miles NW of Ireland.