Reginald Otto Altmann 70841
Pilot Officer on probation are confirmed in their appointment:
17th Jan. 1940
Acting Wing Commander Nov 1945
Distinguished Flying Cross
30 July 1944
144 Squadron
Distinguished Service Order
6th November, 1945
31 Squadron
According to this site:
"P/O later S/L Reginald Otto Altmann DFC, 271 Sqdn. flying Dakotas from Down Ampney, tugging Horsas - dropped supplies on 18/9 at Arnhem - mentioned in Jewish Year book 1945-46 as gazetted with a DFC. PRO Records AIR 1594"
Jews at the Battle of Arnhem
but can't confirm if it is the same man.