Educated at Kuleli Military High School, Harbiye Staff College, and Eskişehir Air College (1919-1933), Orga was born into a wealthy Ottoman Turkish family in Istanbul.
In 1942/43, while he was in the UK on a three-year diplomatic posting from the Turkish Air Force, he met a young married Norman-Irish woman, Margaret Veronica Gainsboro née D'Arcy-Wright (1919 [?1914]-1974).