When I did there were plenty of neighbours who were drivers, crew, airport cleaners, chauffeur drivers and engineers, many still are.
Herts CC sometimes forgets that LLA is a big employer. When BAe closed Hatfield airport many found employment at Luton.
Hatfield now could have been the FAB of North London and the likes of Signature, Harrods and others could have been consolidated there freeing up slots, but I won't start up about that little bit of history.