B757 Pressurization Flashcards
1
Q
Max Differential Press
What alt is this reached?
A
8.6 PSI
35,000
2
Q
Cruise mode occurs when?
A
Level for one minute
3
Q
Cruise mode used what ALT?
A
Selects Higher of Ldg ALT or scheduled cabin ALT and climbs at 1/2 rate.
4
Q
When does cabin enter descent mode?
A
Descent of more than 1000 ft.
5
Q
How is MANUAL mode powered?
A
DC power from DC STBY BUS
6
Q
When does CABIN ALTITUDE msg and wanting light cancel?
A
Cabin altitude descends below 8500 feet
7
Q
When are normal ops of outflow valve restored?
A
Descending below 9500 feet
