NTSB investigators have recovered the engines and cockpit voice recorder (CVR) of the Learjet 55 that crashed on Jan. 31 in ...

Days after a Learjet 55 air ambulance crashed in a Philadelphia neighborhood, the NTSB has recovered avionics that could help explain the cause of the devastating accident. The safety board said Feb.

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