BAA have put up a new document at http://noise.heathrowairport.com/assets/Internet/Heathrow_noise/Assets/Downloads/Statics/Runway_Operating_Procedures.pdf that tries to explain what the conditions for triggering the suspension of runway alternation were before the current trial and are now while the trial is in progress. The surprising thing to me, which I hadn't picked up before, is that, under the current trial, the delay or anticipated arrival delay can be made up of time in the stack AND delays occurring at the originating airport. So if JFK doesn't get its act together, then the residents of West London may get the disruption ! The other thing that the note does is confirm the strange lax conditions for non-trial TEAM in the period between 0630 and 0700 when only an anticipated 5 minute delay is enough to provoke the use of both runways. During the day , in the trial, it is supposed to be 10 minutes and outside the trial 20 minutes.

Entire Thread

Topic	Date Posted	Posted By
Heathrow Trial - Changes in Operating Procedures	19/12/11 14:04:00	Tim Henderson
Re:Heathrow Trial - Changes in Operating Procedures	11/01/12 01:14:00	Jim Lawes
Re:Re:Heathrow Trial - Changes in Operating Procedures	11/01/12 08:37:00	Tim Henderson
Re:Re:Re:Heathrow Trial - Changes in Operating Procedures	15/01/12 08:13:00	Nic Doczi
Re:Re:Heathrow Trial - Changes in Operating Procedures	12/01/12 12:18:00	Tim Henderson
CAA Interim Report on Heathrow Trials	22/02/12 09:05:00	Tim Henderson
Re:CAA Interim Report on Heathrow Trials	22/02/12 18:36:00	Dave Robertson
Re:Re:CAA Interim Report on Heathrow Trials	23/02/12 10:33:00	Tim Henderson

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