Originally Posted by
bd95
Not much needed for DUB either. They could:
A) land the DUB flights as a domestic and disallow transfer pax from using the direct entry into departures - they would have to go landside and reclear security as in T1. There should be a customs red phone in UK arrivals anyway, as you could be transferring via another UK port without clearing customs until you get bags at the end (unlikely but possible!)
B) use the highest number domestic gate and land terminating pax into the domestic hall, while transfer pax use international flight connections route (might require a few doors to be adjusted)
C) land DUB as an international and use biometric / photographic security on arrival as LGW domestics used to.
The problem with A is that there could be mixture of DUB and domestic arriving passengers at the same time and presumably if they mix together the domestic passengers become "contaminated" and have to reclear security.
For B, you have the same issue as A and also that domestic arrivals have the option to go through to departures without security on showing a BP, so someone could claim they're not transferring and then continue through to departures without being rescreened.
As for C, they don't have any photographic security like that at the south terminal in LGW, just show a boarding pass from the CTA and you're away.
I think they're probably building something new as
BApilotinsider says.