Why does it take half a year to decode an airplane’s black box?

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In light of the recent plane crash in Pakistan, reports suggest that it will take 6-7 months to decode the black box.
The company that made the black box surely knows how to decrypt their encryption, so why would it take so long?
Also, assuming the encyrption is super-complicated, what sensitive data would warrant such encryption? Is it just voice recordings, or something more?

In: Technology

20 Answers

Anonymous 0 Comments

The data is generally decoded quite quickly. The meaning of the results is tested and analyzed by many groups before the results are released.

It’s not about getting the data off, it’s about analyzing why the throttle was in a high power position, and the engines were spinning slowly. That can happen from fuel problems, engine damage, control problems, or other things.

So they don’t say “engines were not making power, we don’t know why”, but don’t publicly reveal the results until the meaning and cause is known.

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