Emirates? Clark Sees MH370 Investigation Deficiencies | Commercial Aviation content from Aviation Week
“We have never lost an aeroplane in 50 years, we have always known where they are. Whoever was clever enough to interdict the system, will be able to interdict this one as well.” To [Tim] Clark, tracking is not the main issue: “the first thing you need to do is do not allow anybody on board to disable ACARS – job done.”
I don't think Clark understands probability and luck. There but for the grace of God ...
So, is the answer pilotless airliners?
You can only go on the information you have, and that's not much. But there's no indication anyone but the PIC had the knowledge or opportunity to deliberately disappear.