Heathrow yesterday "published" its latest Fly Quiet & Green results - as usual they are concealed for the time being behind a password screen to allow LHR the opportunity to brainwash important stakeholders before the stats are exposed to the cruel gaze of scrutiny by the more numerate public.
https://www.heathrowflyquietandgreen.com/2019-3rd-qtr/
Analysis to follow once they are revealed.