If MH370 was hijacked, it won't be fleeting from radar screens even will cut local signals. Signals from the ground, it can also make tracking the plane by radar signals as usual in other categories.
MH370 was hijacked if it will not disappear from the radar. Despite the signs on the Signals from the ground, it can also monitor the aircraft normally using radar signal types.
If MH370 being hijacked, it will not disappear from the radar screen, even cut off on the plane The signals from the ground, it can also trace the plane as usual with the use of radar signal another category