Black boxes store flight audio recordings. It is built to survive crashes, deep-sea pressure, and heat. With locator beacons and tough data protection, it helps investigators learn what happened in plane accidents.


How long can black boxes survive underwater? Discover more about depth, pressure resistance, and battery life.

World: South Korea's Deputy Minister for civil aviation said the initial data had been extracted from the cockpit voice recorder, and the contents are being converted into audio file.

S Korea plane crash: Data extracted from one black box, the other being sent to US for analysis

Iran says it is sending black boxes of downed plane to Ukraine

News brief: Big stories of the day

Next step will be to find the black boxes. It will be a race against time -- the signals from them are expected to die within a week

Debris of Egypt Air plane that went missing last month found in the Mediterranean

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