Depds on the HHG. There is a A1 PTY WRTCL which applies only (!) to ETOPS regulated B777 on FTGH long routs RTWY.
So, in the end I think P5 belongs definitely to VX and also to GHW if I like to call it. LLK is alos fun especially on LOAPP's in the evening.
Any questions? Email me.