On This Day - 11 December
- HMAS SWAN, (torpedo boat destroyer), was launched at Cockatoo Island, Sydney.
- HMAS BRISBANE, (light cruiser), arrived at Sevastopol to support White Russian forces in resisting the advance of the Bolshevik army.
- The auxiliary minesweeper HMAS BERMAGUI was commissioned. BERMAGUI was laid down in Ailsa Shipbuilding Co Ltd, Troon, Scotland, in 1912. She was requisitioned for the RAN, from her owners, the Illawarra & South Coast Steam Navigation Co Ltd, Sydney, in December 1939.
- An Australian National Security Regulation was issued, making the fitting of minesweeping paravanes compulsory on all Australian ships over 800 tons.
- The Australian Government requested the British Admiralty to return HMAS HOBART, (cruiser), and HMAS YARRA, (sloop), to Australian waters.
The minesweeper HMS LADY SHIRLEY, (LCDR Callaway, RANVR), was sunk by the German submarine U374 in the Straits of Gibraltar. There were no survivors. A search for the missing vessel was carried out by HMS ST, NECTAN, commanded by LEUT Osborne, RANVR.
- The air/sea rescue vessel AIR CLAN, (SBLT O. M. May, RANVR), was commissioned.
- Commonwealth Navy Order 614 extended the maximum retirement age for RAN personnel to 57 years.
- HMAS SYDNEY, (fast troop transport), completed her eighth round trip to Vietnam.
- The supply ship HMAS JEPARIT, (CMDR R. E. Bourke, RAN), was commissioned. JEPARIT was laid down in Evans Deakin Yard, Brisbane, as a bulk-carrier, and launched on 5 October 1963. She was completed for the Australian National Line in February 1964
- HMAS PERTH, (guided missile destroyer), shelled Viet Cong in the field, and destroyed a mobile wireless van.
- The Minister for Defence announced Williamstown Naval Dockyard, VIC, was to be sold to Australian Marine Engineering Corporation for $100 million.
- The FFG-7, (Adelaide), class guided missile frigate, HMAS NEWCASTLE, was commissioned at Newcastle, NSW.
NEWCASTLE was laid down in AMECON Williamstown Dockyard, VIC, and launched on 21 February 1992. Mrs M. McNaughton, (Lady Mayoress of Newcastle), performed the launching ceremony.
'On This Day' is based on the book "Navy Day by Day: Historic Naval Events in Australia and Abroad" written by the late Lew Lind. More information.