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

There is a lot of land which planes fly over that has no wireless connectivity, and satellite data is expensive.