Kenparry
Good to see you are still alive and kicking !
Like you, I haven't got XL573 in my log book during my DFGA course (106).
After a tour on 54, and during my tour on 4, I returned to Chivenor on 163 PAI course, and I seem to have flown it a few times, with such worthies as Sam Toyne and Tony McKeon.
No pics of XL573 I am afraid Hunty
X767