The corvette was under refit in Melbourne from May until July 1944, and on completion returned to New Guinea. She was transferred to United States Naval command on 11 August 1944, and was used to patrol the forward areas of the Allied offensive. During this time, "Ararat" was involved in the transportation of survivors from sister ship following her collision with United States tanker "York" on 19 October. "Ararat" left US command at the end of 1944, and spent the early part of 1945 operating in the Morotai area. She briefly visited Townsville in March 1945, and in June, the corvette was deployed to Borneo to support Australian troops. "Ararat" returned to Australia on 22 July for refits, and was in dock when the war ended. The corvette's wartime service was recognised by the battle honours "Pacific 1943–45" and "New Guinea 1943–44".