You know by the people contributing here that where possible they will move heaven and earth to help.
I have no doubt that this will happen here.
In his time remaining, please do your utmost to record your fathers memories, no matter how faltering they seem to be. If necessary, read him some of the Gaining a Pilots Brevet thread to see if that stimulates him - it does us!!
Does he still remember who his regular crew was? Any other details? The more you feed us the more we might be able to provide, each memory reinforcing the next.
87 Nobles died in WW2, are there any other family members linked to him?