Driver Override Systems Market Size, Top Countries Data, Industry Share, Company Overview, Industrial Statistics, Regional Economy,
speed the speed limit at that section of the track. at the curve, it was 50 miles an hour. the train was going 106 miles an hour. another thing they are telling us is this section of the track near philadelphia did not have positive train controls. that is an expensive piece of technology but mandated by congress to be placed on all rail lines in the united states by the end of 2015. it was not placed in this section of the track near philadelphia. what is positive train control? an automatic override system to warn the engineer if the train is too fast for a section of track. if the engineer does not heed that warning, the on-board system kicks in. that was not placed in the portion of the track. the ntsb says if it had been this crash may not have happened. we are learning the identity of the engineer. 32-year-old brandon bostian of new york. what we re told is he made an initial appearance before the philadelphia police.
the ntsb is looking at the signals and mechanisms involved. they are saying the key component is speed. they say the train was going twice the rate of speed it should have been going at that section of the track. at that curve, the limit was 50 miles an hour. another thing they are telling us this section of the track near philadelphia did not have positive train controls. that is an expensive piece of technology but mandated by congress to be placed on all rail lines in the united states by the end of 2015. it was not placed in this section of the track near philadelphia. what is positive train control? an automatic override system. designed to warn the engineer. if the engineer does not heed the warning, the computer system on the train kicks in and stops the train. that was not placed in the
at a huge bone yard in california s mojave desert. here s what he discovered about the doors and what the captain was up against. reporter: stores airplanes no longer being used here but this boeing 737 was flown after 9/11 so it has a reinforced cockpit door. we want to give you a close up look at how it works. the 737 was moth balled less than a year ago. the locking system on these reinforced doors is very similar to the locking system you would have in an airbus a 320 that crashed in france. he s the director of southern california aviation. what is this door made of? this reinforcement? this is an inch and a half thick of kevlar with some steel. it s a kevlar door. reporter: unlike the airbus this is a key lock? this is a key override system. reporter: but it has what the airbus has. a numbering system. what is that for? a key pad to punch in the