The casualty files for both crew and their service records can be found at the link below but are not digitalised yet. A small fee is required, I think it is 28 Australian dollars.
http://recordsearch.naa.gov.au/SearchNRetrieve/Interface/SearchScreens/BasicSearch.aspx

Insert the service numbers and you will see the files available. series A705 files are for casualty repatriation and usually have the report of the accident and inquiry papers. Series A9300 are the individuals service record.