The surveying vessel, HMAS MORESBY (CAPT J. Edgell, RN), a former 24 class convoy sloop HMS SILVIO, was commissioned into the RAN in the UK. Moresby sailed from England for Australia on 28 June 1925. En route she visited Gibraltar, Port Said, Aden, Colombo Singapore, and Thursday Island before arriving in Brisbane on 10 September 1925