Originally Posted by
boadh398
They have got to sort out this debacle - airside transit and ground side transit - so you arrive and are in transit you have to go ground side and clear security, but if you are departing and need to move between 5A, 5B, 5C for whatever reason, you stay airside.
Only an idiot would not have designed it properly.
You can do a T5B to T5C or T5C to T5B transfer, clearing security in B or C, without going back to T5A if your flight is departing within the next few hours (approx).