Originally Posted by
rog747
I recall registrations were used until call signs adopted -
Autair BMA and Court certainly used regn's...
from my gatwick spotting days from late 60's and the 70's I do not recall Laker having another call sign but maybe somewhere out there can expand as well
Re my original question, and after a lot of head-scratching on holiday, I'm wondering if it might have been
"JETSET" ?
Or was/is that some other airline?
As for whether the flight-specific part used the flight number or the aircraft registration, I simply can't remember that either!