Actually, you can do both Reviews together provided the checking instructor is current in both GA and RAAus. happy days,
Unless I am mistaken, not quite..... the GA AFR covers you for RA-Aus
You are probably referring to doing a GA AFR in an RA-Aus aircraft, whereas we are discussing using a GA AFR for RA-Aus.
Oh and don't forget that if you want fly your mate's tecnam that's ultralight regod, you'll need to do another BFR (although this has always been the case).
Covered above.