Gone West - yup, that's about it. All they want over there is for us to read back the squawk, nothing else required unless we have a question.
ATCO Two (or anyone else in LHR Twr) - please excuse what will seem to you a very dumb question ( but then, I'm only a dumb pilot
), but why exactly would losing the ability to give conditional clearances at LHR impinge on capacity? Actually, let me rephrase that - why do you sometimes give 5 or 6 aircraft conditional clearances? I can see the advantage of giving the one at the head of the queue and the one behind him a conditional clearance, but how on earth does it help to have zillions of us all conditionally cleared?
And do remember I'm only a dumb pilot, so please be gentle with me!!