Just look at the known flight track of the aircraft after they went NINC. What failure would cause an aircraft to fly accurately along FIR boundaries and lose transponder functions?
Get real.
Exactly. Add to that fact that no ELT's went off.
Dick's point about CASA is spot on but there should be no levy for MH370. It has nothing to do with Australia. The 777 is a tank just look at the two landing crashes it has survived and evrybody walked away literally.
You can't tell me the NSA/CIA don't have some sort of idea what happened. Those guys monitor everything these days so I am sure they could figure it out if they really wanted to.