Cvr atc audio12/8/2023 In this case, even that is impossible: the flight data recorder is reportedly yet to be found. How does a black box work? – video animation Guardian Just recovering it from damaged units is a skill – undressing it from the box.” “Sometimes the damage means you can’t reach it the normal way. ![]() “You’re trying to put a data jigsaw puzzle together,” says Anne Evans, a 23-year veteran of the AAIB who spent a decade analysing both varieties of recording. And they are very good at telling you what happened, but often not very good at telling you why.”Īnd yet sometimes they are all we have – and so they are worth accessing. “They may not work, or they may not have the parameters you need. ![]() “It’s a big mistake to assume you’re going to get readouts from either recorder,” says Cable, who spent 32 years working for the UK Air Accidents Investigation Branch (AAIB). They can survive an hour of 1,100-degree Celsius fire, or a weight of 227kg.īut they can still be damaged, and they can still go wrong. They are stored in the back of the aircraft, which has the best chance of surviving a crash, and are wrapped in titanium or stainless steel. ![]() The black box recorder is actually two separate components: a flight data recorder, which stores technical information – some 2,500 different measurements on a modern device – and a cockpit voice recorder, which keeps a tape of every word the pilots say. In this case, it is only a very limited sort of sense.
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