eli5 Why can’t black boxes in Aeroplanes update data to a cloud throughout a flight or after a crash has occured? why do we need to find the physical box?

Question

eli5 Why can’t black boxes in Aeroplanes update data to a cloud throughout a flight or after a crash has occured? why do we need to find the physical box?

In: 846

Answer 1

I always thought it would be nice to have those inflatable balloons on the plane like they use on rovers dropped on Mars.
If the plane goes down it just opens up a parachute and inflates a ball around itself and falls to earth no problem.