Have you searched the Flight Global magazine?
http://www.flightglobal.com/pdfarchi...-%201663.html?
His name along with that of F/O S G Falconer appears in the list of those
Killed on Active Service (KOAS) as distinct from Killed in Action.
In a glider on 8 May 1944 in England, they were unlikely to be going 'into action',
so.....
F/L Alan Austin, DFC (RAFVR 123302) + KOAS 08 May 1944