The term 'pressure cabin' applies when an aeroplane: - ATPL

Question id 156 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Is Only Pressurised In The Area Of The Control Cabin.

Has the ability to maintain a constant cabin differential pressure at all flight altitudes.

Has the means to maintain cabin pressure higher than ambient pressure.

Has The Ability To Maintain A Constant Cabin Altitude At All Flight Altitudes.