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

It’s not 6 months to computationally decrypt the data from the device. But the data is pretty raw. When they make a plane they don’t know what might go wrong with it so they record as much as possible of every instrument possible. The data is raw and there’s a lot of it. Piecing through that forensically to reconstruct what happened and actually pinpoint the cause of the crash, and then cross check that against all other available data so you can be confident you know the story of what occurred… that takes time.

This process isn’t performed a hundred times a week, either. It’s a rare event and so it’s not like pumping out an electric car which people have been tuning a factory to do, making small improvements over and over day in and day out until it’s fast and reliable. Every crash is different.

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