CNN CNN Newsroom January 3, 2015 21:57:00
Now, these black box pingers don't always work. they didn't work in the case of air france 447. >> it took two years. >> and that's why it took two years. >> yeah. >> we can't assume that they work but you should be listening. so yes, 30 days is the lifespan of these -- the batteries, the power of the batteries. >> got about three weeks left. >> should be plenty of time. it can't be very far. >> jeff les, good to have you on. thank you for being here. thank you for joining me. i'm poppy harlow in new york. coming up a reported sighting of a tornado in mississippi. a lot of treacherous weat...
Source: archive.org