1 Decide what outcomes you want to achieve.
It’s amazing how much easier it is to achieve outcomes if you know what outcomes you’re trying to achieve.
2 Work out what options there are for achieving the outcomes you want to achieve.
Include every option, whether obvious or obscure, weird or wild.
3 Exclude the options that will be patently unacceptable.
Some options may be patently impossible from a technical perspective, or patently unacceptable from a political perspective due to cost.
4 Conduct a rigorous and objective analysis of the risks and rewards of each option.
Publish them
5 (and here’s where the Australian airspace ‘reform’ process always goes wrong) Get the politicians to make the decision as to which option to take
Each airspace model will have an opportunity cost. A airspace from the ground up, across the entirety of Australia and associated oceanic airspace, would be comparatively safe but expensive in the short term. G airspace from the ground up, across the entirety of Australia and associated oceanic airspace would be comparatively unsafe but cheap in the short term. There’s an infinite combination of risks and rewards in between. The decision as to which opportunity cost to pay is a political one, not a technical.
You keep stuffing it up because you have a never ending line of technical experts who, for a few pieces of silver, are prepared to take the political decisions and dress them up as technical decisions.
6 Start the hard work of proper implementation