Wasnt Pinging News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> or maybe it wasn't pinging at all. that is a possibility. in the case of the famous sully flight into the hudson river. the pinger attached to the cockpit voice recorder came into contact with water and was easily recovered because it was still in the aircraft, never operated. we don't know for sure. >> that gets to your point of keeping it in a cool dry place. it's important that it be stored correctly for the battery life to continue? >> it's critically important for that, as it gets hotter, it has less life. as much as half life, which we have worked from an auditor which audited malaysi...

A day. that's a big challenge for searchers. >> it's a very big challenge for searchers, unless they get additional information. they're going to have to rely on luck. at this rate it would take a week or so to cover the area. they only have a week left. >> david gallo saying before that, early on in the air france search, 447, the listening devices went over the area where the black boxes were and heard nothing. debris and silt can make it harder for the pingers to be detected. >> or maybe it wasn't pinging at all. that is a possibility. in the case of the famous sully flight into the hudson ...