Alain,
Most MACRs can be viewed for free on footnote.com now. For a print you have to register.
MACR for Capt Cortney says that he crashed 4 miles North of Ravières, France, roughly between Auxerre and Dijon.
Hit a tree and wing was torn off.
On or about 22-8-44 he was back in American hands. See story on
http://www.adam-matthew-publications...ts-Part-1.aspx
Groet,
Leendert