Insidea 777 News Today

Were going to talk with an aviation reporter in australia monitoring the search effort. what his sources are telling him. he has serious questions about some of the copilots signoff with air traffic controllers. as youve heard most other pilots we talked to say theres nothing unusual about it. plus inside a 777 simulator. exploring one of the new theories about what may have happened on board. trouble that may have been coming from the cargo hold. well tell you about what was in the cargo hold a...

About 25 square miles. thats not a lot of turf. so you would be burning out a team. these teams workday and night for weeks and months on end. and youre end up with a lot of burnout. so almost not worth just -- just be taking a shot in the dark. so we need a little bit more to go on than just get in the water and turn the vehicles loose. >> and were showing animation of what these vehicles from wood hull can do. invented by woods hull ocean graphic institution. its a good reminder the technology...

We cant see right now. all this week, cnns martin savidge has been trying to give us perspective, reporting from inside a 777 flight simulator. he joins us again tonight with flight instructor mitchell casada. i understand this plane can fly 16 to 18 hours on a full tank, but it was heading to beijing and only had about seven hours of fuel. so could it have reached the area where this debris was found? >> reporter: thats the same question had. thats why early today we programmed everything that ...