CS 25.772 Pilot compartment doors

For an aeroplane that has a lockable door installed between the pilot compartment and the passenger compartment: -

(a)For aeroplanes with passenger seating configuration of 20 seats or more, the emergency exit configuration must be designed so that neither crewmembers nor passengers require use of the flight deck door in order to reach the emergency exits provided for them; and

(b)Means must be provided to enable flight-crew members to directly enter the passenger compartment from the pilot compartment if the cockpit door becomes jammed.

(c)There must be an emergency means to enable a crewmember to enter the pilot compartment in the event that the flight crew becomes incapacitated.