Aerial image of RFA BISHOPDALE by the RAAF showing her deck layout including her defensive armament – 12 pounder gun forward, 4 inch AA aft, single oerlikon AA guns are mounted port and starboard forward of the Amidships and after superstructure .
The surveying vessel, HMAS CAPE LEEUWIN, (lighthouse tender), was commissioned. CAPE LEEUWIN was laid down in Cockatoo Island Dockyard, Sydney, on 15 July 1924, and launched on 10 December 1924. She was requisitioned for the RAN, from her owners the Queensland Department of Commerce, in October 1941.