in reply to Arm the flight attendants and lock the cockpit.
Sibling Hanamaki is correct.
In addition, access to the cockpits is not permitted by both FAA rules and airline policy. But, if you're a pilot and I said "Let me in or I start killing passengers!" ... what would you do? Even if the cockpit was locked.......
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We are the carpenters and bricklayers of the Information Age.
Don't go borrowing trouble. For programmers, this means Worry only about what you need to implement.
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The Monastery Gates