Mandate transponders in MBZs (yes, renamed from CTAF Rs ).
I can't find any reference to MBZs in AIP. Am I missing something, Capn?
Maybe you mean Broadcast Areas (renamed from CTAF Rs renamed from MBZs renamed from MTAF renamed from..)?
Gawd, maybe CTAF Rs are back?
It's so hard to keep track of the humps on the Australian airspace camel.