Originally Posted by
flyupnorth
I was about to post, thinking we were talking MAN T3, but based on the OP's location I'm assuming we're actually talking London.
It is indeed LHR T3.
I will confidently walk up to the Fast Track guarder and flash my BP and card. The worst she can do is stop me, at which point I will politely ask her to check her sheet of paper. Of course, this assumes that her sheet of paper does indeed have BA status listed. Fingers crossed!