Interesting analysis, although your ATM figures are a bit flaky:
Originally Posted by
OzzyOzBorn
* With R3, Heathrow will be capped at 480000 movements per annum. Even if government agreed to lift this cap (unlikely) only a further increase of around 5% would be deliverable.
No - 480,000 ATMs pa is the current cap with two runways. Clearly R3 isn't just intended to provide 5% more capacity.
Originally Posted by
OzzyOzBorn
* Will increase Heathrow capacity by approximately 140000 movements annually.
Various figures are being bandied around, but the consensus seems to be that R3 will increase capacity to between 700,000 and 740,000 ATMs pa, ie an increase of between 220,000 and 260,000. The lower figure appears to be more realistic as you don't automatically get 50% more capacity by adding 50% more runways, even if one will now be operating in mixed-mode.