Boeing 777 Air Systems
Boeing 777 Air Systems Revised 10/7/24
1 / 15
Why does the flight deck receive air from the left pack at a higher pressure than the passenger cabin?
2 / 15
During preflight, what position should the FWD and AFT OUTFLOW VALVE switches and LDG ALT selector be in?
3 / 15
What landing altitude is displayed on the EICAS pressurization system indications when the airplane has traveled more than 400 miles or has passed the halfway point?c
4 / 15
What does a PACK MODE R EICAS message indicate?
5 / 15
What is the normal position of the aft outflow valve after landing?
6 / 15
What does the PACK MODE R EICAS message indicate?
7 / 15
Why should you minimize flight time at low altitude when the EQUIP COOLING OVRD message is displayed?
8 / 15
Which system(s) supply trim air to the flight deck?
9 / 15
Which trim air valve can be moved directly by the flight crew, and how is it monitored?
10 / 15
11 / 15
What happens when you select the FWR CARGO A/C control to AUTO?
12 / 15
If a pack overheats or fails the pack shuts down and an air conditioning may be needed.
13 / 15
Which of the followings are bleed air sources?
14 / 15
How are zone target temperatures selected, and what is the temperature range?
15 / 15
How does the trim air system meet zone temperature requirements?
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