Pressurisation when landing at extreme elevation
A curious question. recently flew from Lima elev. 13M, to Cusco elev. 3310M, courtesy of Star Peru and their fleet of 146īs (very noisy flap retraction after departure as someone pointed out on another thread!) anyway the question: how does the pressurisation system allow for such an extreme landing elevation? I know on (most?) systems you can physically set the landing altitude, and to my knowledge the cabin during cruise is something like 7000ft? so does the system command a gradual reduction in pressure as the aircraft descends until the aircraft and cabin Altīs meet at the treshold?
Thanks in advance!