I have a suggestion from left field.
Why don’t we follow the simple recommended procedures as used in Canada and the USA?
I forgot. Could never work here. So little traffic we need far more onerous procedures preferably with HUGE fines for non compliance.
No wonder CASA has a $180 m budget. This disaster would have cost a lot.
Imagine. Designing airspace procedures by vote. Could design the next Nomad this way.