Query
Quite right, using it to advertise your flying school is completely professional and desireable, lets face it, who'd want to sign up for training under 2nd Officer Joe Bloggs?
Beamer
Sad indeed isn't it.
Big Tudor
You are quite correct sir, notice I do not use C/Sgt(rtd) except when required in an argument with the missus (who is L/CPL(rtd)!!!!!!!)
As ever, Scroggs puts it most eloquently.
PP