Chapter 7 - Environmental Control Systems Flashcards
When is the emergency pressurization activated?
9500-ft cabin altitude
When is the auto pressurization control disabled?
8600-ft cabin altitude
When do the cabin altitude limiters close?
13, 700-ft cabin altitude
When does the cabin altitude warning horn sound?
10, 100-ft cabin altitude
What automatically turns the auxiliary cabin heat off?
Turning the cabin air switch ON
While on the ground, what automatically removes power from Freon air?
Engaging a starter
What happens when the DUCT OVHT annunciator illuminates?
Temperature control valve closes
What is the maximum cabin differential pressure?
9.8 psi
What does pushing the EMER DEPRESS switch do?
Causes both overflow valves to open until the cabin altitude reaches 13, 700 ft
What differences occur during a takeoff or landing above 8000 ft?
Pressurization warning and safety features to reschedule to 13, 700-ft cabin altitude