Page 7 - BP3Z 009 Airplane Black Box

The first FDR was designed

in 1939 by Francois Hussenot

and Paul Beaudouin.

They created a device that took

photographs to record flight

parameters at the Marignane

flight test center in France.

Since their device used

photographic film, the first FDRs

were designed to be used

only once.