have been talking to. if it is wiped clean, that would be a troublecome indicator for sure. when you look at the very dramatic higher altitude, you have done a lot to study highjacking, what kind of work might have been at hand in those mo moves? it looks intentional and preplanned. it doesn t look like someone experimenting or even a struggle in the cock pit. so the more planning the more that tells you to look for plans of the planning. it shows expertise for flying.