Many more historical ones than I imagined!
mhodgson wrote:And although I mentioned bmi as not actually being their IATA code, their British Midland guise did use the BM logo which was their ICAO code.
Funny, I dismissed that livery, assuming that they'd been BD all along.
I think Iberia also qualify
Absolutely, that's one of the ones I had in mind when starting the thread
Here's another somewhat-disguised one:
Let him that hath understanding count the number of the beast:
For it is the number of a man; and its number is One hundred threescore and twelve.