Page 2 - Trajectory Path News Today

A former senior ntsb investigator says a sudden loss of cabin pressure could have incapacitated the crew and passengers within seconds while the plane continued flying. >> you really have to start looking at a trajectory path, at a speed, at an altitude they were at, how far could this airplane go? it had 7 1/2 hours of fuel on it but you have to be realistic and come up with at least a rated descent. >> reporter: if a plane went down on land, a beacon should be sending a signal, but if the plan...

>> reporter: among the questions why would the plane turn back? and why didnt the crew radio air traffic controllers? a former senior ntsb investigator says a sudden loss of cab bin pressure could have incapacitated the crew and passengers within seconds while the plane continued flying. >> you really have to start looking at a trajectory path, at a speed, at an at tuled they were at how far could this airplane go? it had 7 1/2 hours of fuel on it but you have to be realistic and coming up with ...

I can tell you our radars are very advanced and they can negate a lot of the surface clutter. but it does present a challenge for this big international effort. >> reporter: the last reported location for the boeing 777 was over the water halfway between malaysia and vietnam. but with radar suggesting the plane may have started to turn back, the search zone is expanding to include malaysias mainland and now the waters to the northwest. among the questions why would the plane turn back, and why d...