Page 4 - Event Recorders News Today : Breaking News, Live Updates & Top Stories | Vimarsana

They're looking at, you know where the curve was, trying to determine the point at which the train actually went off the tracks. so that responsibility is actually left to local law enforcement in this particular case. it's not a matter of ntsb not talking to this particular individual. it's not in their protocol at this moment. that's left to the local authorities. this gentleman is going to hurt himself if i don't -- >> i wonder if you could -- >> name and location. >> abc tv in new york. do you have a general number of how many people are unaccounted for and what kind of progress you've mad...

Tracks these will be things investigators are going to look for. they will look for critical event recorders. that will tell them how fast the train was going, and did anybody press the brakes, and when did they step on the brakes. those are all little pieces of information that will form this big picture as they try to figure out what went wrong. we know as sarah said as this train, according to passengers onboard, people said they felt the train slow down and get rocky and that's when we know some of the cars jumped the tracks carol. >> i know the fbi was sent to the scene, so i want to get ...

Your hand, state your name and affiliation, once we call on you, that will make it a little more organized. the question is, what can we get from those event recorders? we can get a lot of information. my understanding people already recovered those. they will be read out. we have a forward-facing video camera in the head and the locomotive the front end of the train. we'll be looking at that. the recorders themselves can give you information about the speed of the train, any brake applications, any throttle applications the engineer could have made. it will give us a lot. that will be key for...

Preliminary information about that. no. our purpose for being here on site is to collect the perishable evidence. the information that will go away with passage of time. so we're going to go and very methodically start collecting information and what was the train speed and speed limit on that curve? that's part of our investigation is to very carefully document that. >> reporter: what will the black box give you? what information will you have when you get -- >> here's what we do. it's the mayor's press conference. if you will when you have a question raise your hand and state your name and a...

Commercial and residential area and that's relevant, right? >> absolutely. as you mentioned it can go up to 100, 110 miles per hour. but when you're coming through an area like this it's residential mixed with commercial you're going to have a speed limit that is well below 100 miles per hour. >> and they weren't at a dead run either, right? i mean they hadn't left the station that long ago in terms of building up speed. that will be relevant also right? >> right. that will also be relevant. and what's going to be key when these investigators are able to pull out those event recorders, very si...