You need more than fiso but radar from warton would work.
There is no way you would get the numbers down to 30 the security empire would require that just to move 1pax.
From my limited dealings with operating in there they need to have a clear out of the dinosaurs anyway so I suspect CAT will be gone for a year at least. Once all the TUPE issues are gone they may then be able to be born again.
BAe have an interest in keeping the tarmac available so close but if the cost is to much i don't know.