BOAC
Used to mean Bought on American credit
finally changed to
Better off at Caledonian
PIA
Please inform Allah
AI
Allah informed
KLM
(K)nights of Love and Madness
Once known as Kill Little Monkeys - a freight charter, seems you had to be there.
SABENA
Such a bloody experience, never again.
AF
Air France - Air Chance
EI
Aer Lingus - Aer Lingum (look that one up)
BEA
Britains Excuse for an Airline
SAS
Sex and Satisfaction
Heat
Almost forgot.
OLYMPIC
Onassis Likes Your Money, Please - In Cash.
Heat