Some have suggested that it stems from Hussenot's device because it used film and “ran continuously in a light-tight box, ...

hence the name 'black box,'" according to Airbus, which noted that orange was the box's chosen color from the beginning to make it easy to find.Other theories include the boxes turning black when ...

hence the name 'black box,'" according to Airbus, which noted that orange was the box's chosen color from the beginning to make it easy to find.Other theories include the boxes turning black when they ...