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Old 5th May 2018, 03:18
  #46 (permalink)  
wasbones
 
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The most efficient use of runway would be to have everyone go as fast as possible into low level holds close to the field where they are then vectored out in trail for a short downwind ie. EGLL.

In sacrificing runway efficiency by using feeder fix times you typically get to slow down in the cruise and or hold at higher levels. I’m guessing that would result in less fuel burnt for the same time delay?

But conversely overall delays increase because of opportunities missed. Number 1 on a max makes up 1 minute more than bargained for and suddenly you’ve waisted 20 minutes of the networks time by slowing down the rest of that sequence by an unnecessary minute each. Its all a balancing act.

Theres definitely room for improvement. Airspace changes to have the feeder fixes closer to the airfield and thus have more predictable time intervals would be a good start.

Runway selection is another issue dictated by the rules we have to work if. I don’t think anyone enjoys delays, including ATC. Changes to runway nomination would only really come from pressure from the airlines on Airservices / CASA / the government (noise).
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