Some have suggested that it stems from Hussenot's device because it used film and "ran continuously in a light-tight box, ...
WASHINGTON (7News) — The National Transportation Safety Board (NTSB) released a minute-by-minute report from the flight data and audio recorders ... of the U.S. Army Black Hawk helicopter ...
It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box ... cockpit voice recorder do?The cockpit voice recorder collects radio transmissions ...