Originally Posted by
HeathrowAirport
A suggestion regarding the Cockpit Door Policy could be an exit code entered by the pilot to re-enter. What-ever code the Pilot leaving enters, he re-enters to get back in. How simple is that?
At the end of the day, if you devise a system that allows a crew member to re-enter a locked cockpit, you introduce a weakness to the system that could be exploited by others.