5 Surprising Facts About Black Boxes

Here are 5 facts you may not have known about flight data recorders or “black boxes,” including the history, invention and function of these devices.

Source: Black Box Encyclopedia, The Evolution of Flight Data Analysis, Cockpit Voice Recorders & Flight Data Recorders National Transportation Safety Board, Cockpit Voice RecorderAirAsia flight QZ8501: 6 things about 'pings' that may lead to the black box andWhat is Black Box

Photo Credit: Getty Images unless otherwise noted

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