Hello Tom,
Looks like this South African may have transferred from the RAF to the SAAF perhaps sometime after May '42 and before 24 June '42 ?
BUT
See this thread in RAF Commands forum
http://www.rafcommands.com/forum/sho...-25-March-1944
re 33 Sqdn list of pilots Sept. 1941 to Jan. 1942:
* indicates photo
Sgt GEORGE ‘Bubbles’ INGLESBY *
So maybe you have the wrong initial not "H" but "G" ?
Alex