"For a start QF and VA are not FAA 121 operators, they have to comply with CASA requirements"
Very true. However, full to the gunwales is full to the gunwales regardless of who is providing oversight? No?
Exactly, when it is basic Part 25 Performance Limits.
Can't speak for B777, the the B747-400 is very sensitive to tyre speed limits with any tailwind component at max brakes release weight.
Tootle pip!!