X-Nico

unusual facts about Beaudouin's Snake Eagle


Black-chested Snake Eagle

It resembles other snake-eagles and was once believed to be conspecific with the Short-toed Snake Eagle and Beaudouin's Snake Eagle.


Flight data recorder

One of the earliest attempts to record flight data was made by François Hussenot and Paul Beaudouin in 1939 at the Marignane flight test center, France, with their "type HB" flight recorder.

Flight recorder

One of the earliest and proven attempts was made by François Hussenot and Paul Beaudouin in 1939 at the Marignane flight test center, France; they were essentially photograph-based flight recorders since the record was made on a scrolling photographic film.


see also