You might want to try that on one or more of the Canadian message boards.
http://boards.ancestry.com/localities.northam.canada/mb.ashxDo you happen to know if he was ground crew or air crew, enlisted man or officer, age range, survived the war or not. ?
It seems that he probably did survive.
http://tinyurl.com/pv4gqj8 ...
http://tinyurl.com/os4junyHe's not listed here as being aircrew.
http://www.aircrewremembered.com/Paradie/ParadieArchiveBio.h...There aren't too many possibles in the 1921 census.
http://search.ancestry.ca/search/db.aspx?dbid=8991You might be able to get a possible if circumstantial idea of his unit by finding which R.C.A.F. units were in that area in WW2.
https://en.wikipedia.org/wiki/List_of_Royal_Canadian_Air_For...