The Swedish steamer "Lygnern" was stranded on the Beagle Rocks in Gage Roads. The ship was eventually abandoned by its owners and turned over to the underwriters. Stripped of everything of value, the hull become an unsightly wreck, and was destroyed by explosives in December 1970.

The Signal Station at Fremantle was moved from Arthur Head to a site on Cantonment Hill in 1928. This building was replaced in 1956 by a new structure, whose functions were finally superceded by the opening of a signal station atop the new Port Authority Administration Building in 1964.