We call it Gatport Airwick too!
Even from LHR
you can seemingly hear the whining, not engines, but BA LGW
(All the £ we've poured into that place over the years, taking over BCal, then Dan Air, tried to make it work, sadly failed, listening to some of them you'd think it was all a plot by big, evil LHR
is our home base, always has been.