The weak link in Australia, with regards to low visibility operations, is the airports. With a couple of recent exceptions, the required equipment simply does not exist. I would expect that pretty well all of the jet aircraft would be capable, though I don't know if the domestic operators would bother qualifying pilots for operations that simply don't happen....it wouldn't seem to be a good way to spend training dollars.
Beyond that though, there is another issue. Any time we operate in foggy conditions, we also require an alternate that isn't affected. In Europe acceptable alternates are pretty common, and not normally all that far away. In Australia most alternates for heavy operations are in excess of an hours flying time away...and that is fuel that ultra long haul ops simply won't have. So, quite often, even though the conditions at my destination would allow me to fly an approach and land, unless I can find the fuel for that alternate, I can't continue. That's why, every now and then, you'll see flights like QF94 turn back to Sydney from around Albury.
