CNN CNN Newsroom January 4, 2015 19:47:00
Fairly competent that these with as long as they have been. >>. >> they are 3,400 g's. temperatures that would be unimaginable for sur vifl of individuals, and certainly a submergion under water. the air france 447 recorders were found years later and would still contain usable data. i would expect that these flight data recorders and cockpit voice recorder would be found and would be in good condition when they are found. >> technology and expertise is such that a lot can be learned from just the visual examination of the wreckage of even the bodies to try and get a better idea of what happen...
Source: archive.org