Makinga Mistake News Today

Other things. so it is very concerning. >> a lot of travellers this weekend. for the memorial day holiday. bottom line how worried should they be? >> well, at this point you know it is no more worrisome than it ever was. and that is probably not very comforting for people to hear. but nonetheless it is important to remember that on board each aircraft they have collision-prevention systems. what it tells the pilot if he is in danger and they will take care of it. and make the corrective action. ...

Assigned them, they had to plunge fast. >> this would be the same as a pilot making a mistake. but remember, there is avionics on board, one is collision assistance. >> the nations skies are under stress with increasing air traffic and a potential shortage of controllers. the faa says it has taken steps to prevent any similar occurrences in the future but would not elaborate. renee marsh, cnn, washington. joining us now, cnn safety analyst david souci, the author of "why planes crash" and inve...

Error, through a pilot making a mistake, but remember, theres avionics on board, particularly one called tcas, collision avoidance assistance. >> reporter: the faa has taken steps to prevent occurrences in the future but didnt say what the steps are. the faa also telling us an instructor was there at the moment of this incident ready to step in if necessary. however, the faa saying that this trainee was able to correct the problem immediately. we want to point out one other thing, wolf. ever sin...

Through a pilot making a mistake. but remember, there is avionics on board, particularly one called collision avoidance assistance. >> reporter: the faa says it has taken steps to prevent any similar occurrences in the future but they didnt say what those steps were. these air traffic controllers are trained in real-time. we do know an instructor was there at the moment this incident happened ready to step in, if needed. but the trainee realized the mistake immediately and corrected the problem ...

Yet, but thats the warning sign that one could happen, brianna. and thats how they analyze these circumstances where its all happening very, very quickly. >> certainly too close. you can see it when you put it that way, tom. what happens if two planes get inteach others space and the tower just for some reason doesnt notice, doesnt warn them? then what? >> well, interestingly enough, there is a system for that. lets say this happens. theyre getting into each others space and theyre getting deepe...

Theyre unacceptable. theyre worked on. but there is a backup system and people are safe. >> reporter: this is what can happen when planes get too close. in 1991, this usair 737 at l.a.x. landed on top of a skywest commuter plane preparing for takeoff. 34 people died. accidents like this are incredibly rare because of collision avoidance systems now mandated in planes. >> these mistakes can occur through a controller making an error, through a pilot making a mistake. but remember, there is avioni...