Originally Posted by
treadigraph
...I'm not sure why the expansion would entail more arrivals flying over Richmond Park - so far as I'm aware the additional runway will be north of the airport? Might be additional Dover departures from 09R when on Easterlies.
I read it as LHR wanting to gain approval for more arrivals overall by spreading noise in general and one way to do that is reduce the frequency of traditional straight in approaches to the 27's.
Sounds to me as if the "problem" being discussed with regards to Richmond Park is one that that would be caused by curved or offset approaches to e.g. 27 Left where (I haven't plotted this, so I'm just guessing at the numbers to give a picture) you could head towards a 2 mile final on a track of e.g 300 degrees and only then at 2 miles align with the runway, something eminently technically doable with today's technology and probably permissible even with a cloud base down at perhaps 700 or 800 feet.