Sorry for Raising This Thread from Dead but have some info on this

Sutton Bridge ORB:

8-5-1928 F/O G Bradbury (Geoffrey Bradbury) No 41 Sqn injured as a result of an accident to a Siskin (J8402)

Sutton Bridge ORB

20-5-1928 07:00 F/O G Bradbury died in West Norfolk Hospital, Kings Lynne, as a result of accident on 8.5.28