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Problem, the navy pulls the equipment out and brings it here. >> each component of this system is evaluated for its own performance. the lab will put all of them together to see how it did as a system. >> they can replicate the exact flight profile where a problem was reported to determine what went wrong with the system. >> so this chamber is the simulated cockpit. so this chamber would be the pressurized portion of the aircraft. this chamber, as you'd can see, has two breathing simulators, mechanical breathing simulators. >> we have selected a lot of data. now we're getting into the analysis...

Another. what effectively happened pilots put the aircraft into catastrophic storm, lots of lift over the wing and the aircraft descended into the sea. >> not knowing the information was wrong because it was frozen over. >> they weren't aware what was going on in the cockpit. when we talk of this notion of the crew being unaware incapacitated may be one, but also an interesting case study of a flight profile they weren't aware of because of automated systems. >> correct me if i am wrong, that case they were flying over the ocean, since they didn't know they were experiencing the problem, didn'...

One i think will be resolved fairly quickly, because they have found the data box, and there's no reason why they shouldn't find the voice recorder. once we have typically the voice recorder, we know the flight profile, then the only question remains is what system may have failed or what would have incapacitated those pilots. there's a number of theories floating around but until we get our hands on the facts, we won't really know. >> captain rollins, stay with me. steve wallace, thanks for your time tonight. >> thank you. still ahead, what we know about this plane that went down in the alp...

Close enough to hear them at this point but we're predicting that by mid next week you'll see them switch operations, reel in the towed pinger locator and go to the underwater submersibles, the bluefin. >> the bluefin-21. how fragile is that equipment given the nature of the water? it's going to be going down two, three, maybe four miles. >> well, it's built to withstand the pressures at depths, but it's not built to ram into rocks. there is a need to understand what's on the bottom before you put this submarine down there. they would typically map the bottom to get a good idea of what kind of...

Kind of pitiful three weeks in to be at this stage of the investigation. the investigation finally getting organized, the international rules applying. but, boy, what a loss of potential time, let alone the anguish of the families waiting and turning on every aspect of this. >> plenty of criticism to go around. can i ask you, though, this report of 40-some-odd,000 feet in the air, is the 777 definitely able to fly at that altitude? i've heard conflicting reports. >> i think when they said 45, that breaks the flight envelope of the 777. that's really pushing it higher than it was meant to fly i...