Originally Posted by
43Inches
To be fair self regulation does not mean it has to have an investigation arm when an independent transport safety investigation bureau already exists.
Quite. That's been AOPA's point for some time. It's taken a little longer for RAAus to catch up.
Originally Posted by
43Inches
CASA defers to the ATSB or Police for investigations beyond a certain scope and as mentioned before having the facilities and equipment to properly test and evaluate materials and data would not be feasible for such operations.
CASA doesn't 'defer' to the ATSB or police on accident investigations. CASA doesn't do them.
Originally Posted by
43Inches
On the other hand, what more is there to learn here, the aircraft either met unintentionally being unaware of each other or intentionally where one party rammed the other.
So you've ruled out any potential airworthiness issue from your armchair. You're probably correct, but we don't know. That's kinda the point.
And out of the two alternatives you've posited, different responses flow.