Wow! I think a trip to Wolverhampton is called for, with my now somewaht abraded RAF Form 3822 (Revised 1969) in my hand.
That's a very interesting Museum - wasn't aware of it. Anyone else interested the link is
http://www.localhistory.scit.wlv.ac....s/bpa/bpa1.htm.
(I hope that does not constitute advertising...)