Originally Posted by
CaponesCPA
makes total sense! I believe I wouldn’t have even thought twice about it but on flightaware for this route, it had one aircraft number as B77L. It sowed the doubt
Just to confuse you even more, 77L code is also the code for the 777-200 Long Range that Boeing makes. However, BA does not have any long range designated aircraft.
But for BA, the code 77L is internal and they do not advertise this when you book it.