Complaints about the noise affecting the neighbours is a non-argument. Things shouldn't change from the current state of play too much, plus pollies don't really care unless you are from Ascot.
Where on earth did you get that idea?
Airports are more scared of noise complaints than large flocks of birds and LCC ground handlers
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Noise complaints = community action groups = political pressure = curfew =- loss of flexibility for the airport = grumpy shareholders.
It doesn't matter how posh the affected area is, either, although the margin the relevant federal member holds his/her seat by can be a factor. If the relevant federal member is also the Prime Minister be afraid, be very afraid, although that's not such an issue now.
Ask your mate if you don't believe me.
So no, the plan leaves no options for helicopters whatsoever, no matter the wind.
Really? That doesn't sound bright. I thought helicopters were a big part of the training scene at Archerfield, didn't there used to be three chopper training schools there?