CNN Forensic Files April 10, 2014 06:09:00
Of putting the vehicles in the water, until they can be absolutely certain that there's no more life. >> all right. mike, to you now. how long do you think they'll continue with the tow pinger locator knowing the battery life is roughly 30 days and that it is almost over? >> sure. we've seen batteries last 35 and perhaps as long adds 38 days. i would expect they would continue on that track for a few more days until they hit one of the 35, 38 days and then likely not had a signal in 48 hours before they discontinue the tpl. that's the ur genergency. you don't want to switch over only to go dow...
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