 Built by Henry Robb of Leith, the ship was laid down on 8 June 1944 and launched on 15 March 1945 by Lady Westwood.After sea trials "Carnarvon Bay" was assigned to the Rosyth Flotilla, joining in November 1945.Deployed for training duties, she made a single voyage to Oslo in January 1946, and to Scapa Flow in February.