RMS Orcades was a British built ocean liner that served on the UK-Australia route as a Royal Mail Ship from 1937-1939. Orcades was requistioned by the British government as a troopship in 1939. Torpedoed and sunk by German U-172 on 10 October 1942 with the loss of 48 lives and 1 117 survivors. The survivors were picked up by the SS Narvik a Polish steamship of 7 000 gross tons and owned by the Gdynia America Line. RMS Orcades commanded by a Captain Fox left Capetown on the 9th October 1942.
Builders of the SS Orcades (1937) are Barrow-in-Furness and Vickers-Armstrongs.