Ship DERWENT H.M.A.S. Rig River Class (type 12 ) Anti-Submarine Frigate Tonnage 2100 disp. Built 1964 Built By Williamstown Naval Dockyard, V.
Ship SWAN H.M.A.S. Rig River Class (type 12 ) Anti-Submarine Frigate Tonnage 2,100 Built 1965 Built By Williamstown Dockyard
Ship YARRA H.M.A.S. Rig River Class (type 12 ) Anti-Submarine Frigate Tonnage 2,700 2,100sd Built 1958 Built By Williamstown Dockyard