. >> scott updating us on the situation from kooum bur. >> tom valentine joins us, the chief correspondent from orient aviation, a commercial aviation magazine. first of all, looking at the latest evidence that has arisen so far, what scenarios does the evidence point to? >> well, it probably points to one of two things - either a hijacking where someone took control of the aircraft and coerced the pilots to do what they did, or that something happened in the cockpit, that either one or both of the pilots - there was some sort of issue, a psychological thing. they decided to take this plane off to do whether they wanted to do with it. i think it's quite significant though that there has been some take of pilot suicide, for instance, one would have thought if that was the aim, then they would simply have crashed the plane in the south china sea, rather than flying for hours in the other direction. my feeling is that we are looking at some sort of a hijack, a taking over the aircraft. what the purpose was, until we get the physical data from the wreckage, from the black box is we are simply