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Old November 7th 11, 11:05 AM posted to uk.transport.london,uk.railway
Roland Perry Roland Perry is offline
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First recorded activity at LondonBanter: Aug 2003
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Default London Hub proposal published by Halcrow/Foster+Partners

In message , at 11:02:14 on Mon, 7 Nov
2011, d remarked:
That only goes back 12 years, go back to the mid 80's and the
improvement in the noise signature seen today is staggering.


Except there are probably 3 times as many plane movements now which rather
offsets any reduction in engine noise.


Heathrow was operating at 35% of capacity 12 years ago? Pull the other
one.
--
Roland Perry