CNN CNN Newsroom With Brooke Baldwin January 2, 2015 19:31:00
Searchers locate a crash site. then there's the flight data recorder. it gathers 25 hours of technical data from airplane sensors recording several thousand discreet pieces of information. data about the air paid all ti institute, pitch, acceleration roll fuel and the list goes on and on. but to make sense of the data first you have to find it. not an easy thing to do when a plane crashes in to the ocean. both black box extents are outfitted with under water beacons. they send pings once per second and can transmit data from as deep as 20,000 feet for up to 30 days. when their batteries run ou...
Source: archive.org