11 terrorist attacks airlines in the u s.
Pilot cockpit door is locked.
The final 30 minutes of the germanwings jet one of the two pilots of the germanwings plane that crashed in the french alps was locked out of the cockpit according to reports.
Unlocked mode is what a pilot would use to.
The pilot of a delta air lines flight from minneapolis to las vegas found himself on the wrong side of the cockpit door on thursday.
Paris afp systems that lock a cockpit door have existed since the 1980s and strict procedures became standard after september 11 2001 to prevent attackers from taking control of civilian.
Don t leave one pilot alone in the cockpit.