The flloodplain north of Richmond can never be built on for reidential housing, so a perfect spot for an airport.
Newcastle, Canberra will eventualy become international airports in their own right, serving their local population bases. But not as a 2nd sydney airport.
Fog at Richmond, cat 3 ILS solves that problem, only been doing that for 40 years in Europe and the USA.
Terrain around richmond, cant see that as a big problem, an annoying one for sure. Have a look at the IFR letdowns into Innsbruck. Right down a narrow valley with mountains 8,000 above airport elevation 4nm either side.
RAAF not allowing civies into their airports.......who the bloody hell runs the country, tha RAAF????.........I sure as hell didnt vote for Wing Commander such and such.
Sydney needs a 2nd airport in the Sydney basin, no where else.
Badgereys Creek is right in the middle of the expansion are for houses, non sensical to put an airport there.
Wilton, thats a red herring staight out of the script of yes Minister. Sir Humprey Appleby would be most impressed.
The Egyptians (and others) built the Suez Cannal 150 years ago. we cant even dam off a floodplain. Kinda sums up Australia.