A passenger aboard a Frontier Airlines flight to Houston had a violent outburst on Wednesday after being asked to move, punching and kicking in his seat until he cracked one layer of the plane’s window mid-flight.

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