447 in 2009. there are some similarities between the two. on the evidence we have so far, and of course nothing is confirmed as far as this is concerned. but the radar plot does show him climbing through 36,300 feet and traveling approximately 100 miles an hour an hour too slow to sustain flight. >> let me ask you this. we have the head of the indonesian national search and rescue agency now saying, it's his conconjecture that based on early data this plane is now at the bottom of the sea. how much confidence can we put in that early data? >> well the early data that i'm presuming he's working on is the fact that we have the radar plot for the last location, and we have no call for a mayday. therefore, we assume there was a catastrophic failure. of course if a plane gets into a serious upset, which has