In a nutshell it should.
a. represent all sectors of the aviation community, business owners, pilots, engineers.
b. be non political
c. not be interested in union issues (trying to represent both owners and pilots/engineers here)
d. have an effective voice to CASA, media and the Minister
It could also have a secondary role in sharing information.
RAPAC has been doing all this for years, and just about all aviation representative groups, companies and organisations are members, either directly or via a rep group.
CASA only provide the secretariat and pay for the venues.
Civil Aviation Safety Authority - RAPAC
The problem seems to be that individuals or organisations are not members of a representative body, and therefore don't have input to or be aware of things going on. But that is their fault, not the representative body .......