Hi Graham,
478318 unknown, doesnt decode 4
400932 decodes to G-GSSA which is now N476MC
42456D GMA479 unknown at this time, landed Farnborough 1949 and awaiting confirmation
44CCD3 decodes to OO-SFS no longer current which became 9M-MKW which is to become LV-FNJ ???
4CAA64 unknown to me
Thanks again
Alan