At Gatwick the move could allow for planes to take off every minute of less according to information revealed today.
The changes will affect every airport in our region by 2020 but today consultation was launched at Gatwick, London City and Southend.
Proposed by National Air Traffic Services (NATS) and Gatwick Airport it lasts for 14 weeks and they want to hear from people about where the new routes should go and areas that should be avoided. After that the new specific routes will be developed and published next summer.
Under the plans stacking areas, where planes circle waiting to land, when there are delays will be moved from Kent and Sussex to the sea south of Brighton and to the Essex or Kent Coast.
New technology will by used to allow planes to fly higher for longer again reducing noise below.
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