You can read the briefed route, weather conditions, witness statements etc in the Court of Inquiry Form 412 in the archived Casualty File of P/O Smith RAAF
Also in the casualty file is the Form 765c Forced Landing report.
Any direct link will time out but the steps below will get you to it at anytime.
Air Force ? Up to and including World War II ? National Archives of Australia
Click the link for casualty files
Click top left Basic Search and add the following to the keywords box
Smith 403961
then hit search
Click on the sheaf of papers icon in his A9300 file
Form 412 starts at page 48
Ross