Volrider
Surprisingly, and compared with some other threads on AA+R, the BHX one is somewhat less "spotterish" than many.
Curiously, the spotter fraternity, down upon which you clearly look, are your eyes and ears around the airport perimeter. They are more likely, probably than police to spot unusual goings on since they spend a deal more time loitering there than the police do. CCTV is all well and good but you can't beat the mark one eyeball and human brain acting in close harmony.
Shame they didn't spot the cretins that burnt the chopper.