chazpooh339 chazpooh339
  • 02-04-2019
  • Computers and Technology
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How long can a black box survive underwater

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unknown1324144 unknown1324144
  • 02-04-2019

They work to a depth of just over four kilometres, and can "ping" once a second for 30 days before the battery runs out, meaning MH370's black box stopped pinging around April 7, 2014. After Air France flight 447 crashed into the Atlantic Ocean, it took search teams two years to find and raise the black boxes.

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