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Basing this information on things like satellite data, radar data, and aircraft performance to kind of guess where the plane may have ended up. >> it is a guessing game. thank you. >> as you probably know, laws require commercial planes with pingers in the black boxes so that searchers can locate them in case of any crash like this. but it's not a miracle device. the battery there lasts for only so long. about 30 days, sometimes as much as 45. and weather, boat noise 0, silt on the bottom of the sea, can drown out the sound of the pings. but even if it does die search teams could fine it. crew...

Spent it doing proactive things. >> like what, david? >> like funding the next gen program. it's an air traffic system. it's updating the system that we've had in plates since the '50s. it needs to very much be done because the air spaces are getting more and more crowded. you can see it at airports. in the addition, the amount of fuel. billions and billions of dollars are being spent unnecessarily routing around airports. under next gen that doesn't have to happen. it's only for the united states air space, but it should propogate into other air spaces eventually. it would be in this scenario...

Questions answered. but it's closed doors, so it's really not clear precisely what they're going to learn and then what we may learn from that, don. >> thank you very much. we appreciate it. i want to bring in now cnn's richard quest. the malaysian authorities made it clear that they believe the airliner's movement reflect a deliberate action. what do you make of that? but still no clear evidence of that, especially in the recordings. >> no evidence in the recordings, but the nature of the actions leads them, and the radar data, and the way they said that, it was really interesting, don. when ...

From the cockpit resivising it from all right, good night, to good night, malaysian 370. we are also learning that malaysian investigators are convinced someone in the cockpit or on board the plane was responsible for that sudden turn off course. a government source tells cnn authorities consider the plane's turn a criminal act. >> then, there is this development. a new "wall street journal" report saying that search teams were looking in the wrong place for three days, because of poor coordination. there was one group analyzing radar data. the other, the satellite pings. it took them that lon...

We can't tell you what is the data it's based on, we can't tell you. >> and we won't tell you. it's not we can't tell you. that leads us to something that is not about the mansions but is about z malaysians. it is so difficult for so many to accept the notion that in today owes surveillance society, nobody saw this plane. diego garcia, this huge u.s. outpost that's in the region, how could nobody have seen this plane? aren't you pretty suspicious about this, about why didn't anybody see it? >> remember how thailand came out with the radar data very