Originally Posted by
gengar
That's pretty frustrating. Wonder if it's an LHR thing / actual policy, or just an excuse.
It is DfT mandated and doubtless BA's policy too. You can't step back into the aircraft after you left it on arrival, but you can go to the door area and ask for a crew member to look for you. If you think it through, it's sheer commonsense in my view.