[rdl6989]

And why not give little things called “keys” to those who might need to run to the john during a long flight, just in case.

[dragnet2]

The bad guys might overpower the pilot and obtain access to the flight deck?

Makes sense to me.

[Shelayne]

They have access keypads to override the locked door, but people in the cockpit have the ability to block that.

[okie01]

And why not give little things called “keys” to those who might need to run to the john during a long flight, just in case.

Except there is one setting of an Airbus door for which there is no key, only a time lock. And it is set from inside the cockpit -- to keep the terrorists out.

In this case, it may have kept the terrorist in...