Following info kindly provided by Malcolm Nason :
"Aircraft was 5N-TAS in basic Burlington colours, with false World Air Freight titles"
I can add :
5N-TAS was ex Pan Am (built 1967 as a -321C, named Clipper Pride of America) & had at least 4 other owners before Omega bought it. I have no record of it being with Olympic, but it may well have had a Greek crew, perhaps even ex Olympic.
Cockpit later damaged in arson attack (Essex youths) after aircraft Withdrawn From Use, 2003 at Southend, broken up earlier this year.