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Transcripts for CNN Anderson Cooper 360 20140329 06:23:00

with cnn safety analyst david soucie and david gallo co-leader of the search for air france flight 447. and david soucie, how does this work? explain what you have here. a duquesne tester. inside we have that s the pinger. $750 unit. doesn t look very dramatic, does it? that would be in the so-called black box? yes. both in the cockpit voice recorder and the flight data recorder. there s two of them in here. every sea check on the aircraft, which is every 1,000 hours, this is removed and rebolted back in and replaced. the pinger includes the battery and signal transducer. inside of it if you look at this end, i don t know if you can get close enough to see that, but there s a plastic lip or plastic ring that separates the case which is the grounded area from

Transcripts for CNN Anderson Cooper 360 20140329 00:23:00

flight 447. and david soucie, how does this work? explain what you have here. a duquesne tester. inside we have that s the pinger. $750 unit. doesn t look very dramatic, does it? that would be in the so-called black box? yes. both in the cockpit voice recorder and the flight data recorder. there s two of them in here. every sea check on the aircraft, which is every 1,000 hours, this is removed and rebolted back in and replaced. the pinger includes the battery and signal transducer. inside of it if you look at this end, i don t know if you can get close enough to see that, but there s a plastic lip or plastic ring that separates the case which is the grounded area from this little electrode in the mid gel what happens when you actually put anytime the water? what we have here is a tester. it s 37 kilohertz which is too high for the ear to hear. so we have this little device

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