Just to reiterate - quite definitely a UK carrier flying from a British airport - and I wont say which in either case - no point in risking dropping someone in it for what was after all a nice gesture which made his holiday.
PS. Love the name, VC10's?
No qwertyuiop - something much prettier - like this:
Handley Page Victor B1, 7850M, Royal Air Force
but without the nice white paint job and few extraneous bits and pieces stuck on