CX VOL 2 PT 2 says we can operate outside controlled airspace at the commanders discretion provided the TCAS operates normally.
So I assume CX would just check to see the RFF was available, make the required CTAF calls and land on an appropriate rwy. I can't see any problem doing that. Sounds like fun to me.
"Traffic Melbourne Cathay 123........................blah blah blah"
Something different