A passenger aircraft with a passenger cabin is described, wherein the passenger aircraft comprises a fully functional door, which is openable and closable and which is adapted for an entrance and an exit of passengers, and en emergency exit door, which is exclusively adapted for an emergency exit of passengers from the passenger cabin. Therein, the emergency exit door is arranged in an area of a fuselage of the passenger aircraft, which is arranged ahead of and/or behind of wings of the passenger aircraft.

An explosive bolt system includes an explosive bolt and an initiator device. The explosive bolt includes a shank having a first longitudinal end, an opposed second longitudinal end, and a longitudinal axis. The explosive bolt is configured for securing two elements together between the first longitudinal end and the second longitudinal end. The shank includes an internal chamber accommodating a first layer of a high density first secondary explosive material, and further accommodating a second layer of a low density second secondary explosive material in arming communication with the first layer. The initiator device is positioned with respect to the explosive bolt such that the initiator device is in arming communication with the explosive bolt.

A screw includes a screw head, a threaded shaft, and a force release component connecting the screw head to the threaded shaft. The force release component releases the screw head from the threaded shaft in response to a specified force. The specified force is substantially along a screw axis in-line with the threaded shaft.