a CASA FOI was bragging to me the other day that they are using Flight Aware to monitor operations at places within radar coverage
In the Melbourne area at least CASA have observed general aviation aircraft doing instrument approaches and holding patterns as part of instrument rating tests. Remember CASA have 24 hours notice of tests.
One aircraft spotted making a great hash of holding pattern entry yet the ATO gave the candidate a pass. ATO pulled in by CASA for please explain. ATO approvals have been pulled in some cases. Fair enough, too.