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Cockpit? >> i'm in favor of anything that enhances safety. and i'm with richard on a lot of his points. however, a camera can be subject to misinterpretation. i mean we saw what happened with various police videos what really we saw and what really happened cowl be two different things. so the other part of it is here's our fear mostly is pilots is that it can be used as disciplinary type actions rather than something to enhance safety down the road. and then as richard said it becomes what we call tombstone technology. once you utilize that unless it's live streaming data tax all it does it e...

Sonar to record what it senses on the ocean floor. when the bluefin surfaces the operator can download the data and see images like these. how do i know if i'm looking at a rock or a black box? >> you have to be a trained sonar analyst. one of the things that's amazing about this technology is over the years the resolution of the system has increased. quite a lot of detail. as you can see right there that's a field of rocks on the left. as the resolution improves and technology gets more efficient and systems get better at differing high quality data interpretive risk goes down. >> stls an emo...

Civilian-based, trained pilot what i'm seeing, but that still being said they can wouldn't have been able to do anything to evade it >> do you want to see the regulatory system changed now in terms of regulating global aviation? do you want to see changes made in the wake of this? >> you know, i mean, any time we have an accident, unfortunately, we still use the adage, tombstone technology, and now, we have got a new threat that we have got to deal. now, we've lost lives and, yes, indeed, of course, there's something that now we have to consider. in our own flying at this point. >> i appreciat...

>> reporter: the ntsb determined an explosion in the fuel tank caused the crash, blaming it on a wire that short-circuited. the faa later mandated changes to reduce sparks from faulty wiring. randi kaye, cnn, new york. joining me once again is safety analyst david souci, author of "why planes crash" and les abend. does it seem like change only occurs in the wake of a tragedy, or is the industry proactive? >> i think dave will agree with me this is what we call tombstone technology unfortunately. >> tombstone technology. >> yeah. when something tragic happens, then these changes occur. it's t...

And joining me now, author of why planes crash, and les amend. les, does it seem like changes only occur after a tragedy, but -- >> dave will agree with me. this is called tombstone technology? >> tombstone technology? >> yeah, when something tragic happens then the changes occur. it is traditional for the ntsb and the faa to be at odds once the regulatory agency finds there is probable cause on what happened. >> you agree with that tombstone technology? >> yeah, it is a term that has been used. and that is what the faa has been walking away from, over the last years, the airplane matter was n...