LowNSlow,
Wish him the best of luck (I might not be far behind him), and please accept all my sympathy for you and your family in the sad time ahead.
You say: "He's written down a lot of his experiences throughout the war so that's well covered".......The "Gaining a Pilots' Brevet in WW2" Thread would welcome them with open arms.
"........And plenty of top rudder on the corners !"
Danny42C.