Data from a cockpit voice recorder of the Black Hawk helicopter that collided with an airliner near Washington, D.C, last week suggests the crew was wearing night-vision goggles. "Please remain seated" is a common announcement heard over a plane's loudspeaker after landing — and it's oft ignored.

After the man began to have what other passengers called a mental health crisis several male passengers moved in and restrained the man sand guarded him for nearly two hours until the flight landed in

A passenger who appeared to be experiencing a mental health crisis punched out the plexiglass of a window mid-flight.