In such a case, they would switch to "lock" - effectively activating the additional three bolts. As soon as the door is closed again, the setting reverts to "norm."Īnybody trying to enter the cockpit without using the telephone - either by knocking or hammering on the door - would raise the pilots' suspicions. The pilot then has to move the switch to "unlock" for the person to enter. The control lever setting is "norm" - which means the three additional door bolts are not activated.Īny flight attendant who wants to access the cockpit must first ring the bell on the control panel. It can't be opened manually from outside, because there is no handle. Usually, both pilots remain in the cockpit and the door is locked. The cockpit has an emergency buzzer and pressure sensor that responds in the event of a pressure loss in the cabin. There is also a keyboard panel in the cabin area with a green and red light, as well as a telephone for the crew to talk to the pilots. There are three settings: norm, lock and unlock.
The pilots can operate the door with a lever on a control panel. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Aviation expert Tim van Beveren on the latest findings
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