Aircraft is 9M-MRO
Three screen grabs from FR24 -
1. The same aircraft operating the same flight 24 hours before, shown in the cruise FL370 all the way to Vietnam.
2. The aircraft last night in cruise at FL350, then it just drops to 0 feet just off the coast.
Two things in the MAS statement contradict each other.
"lost contact with Subang Air Traffic Control at 2.40am"
By 2.40 am the aircraft would have been 2 hours into flight and well north of Malaysian airspace (which ends close to where the aircraft looks to have gone down)