Pressurization Flashcards
How is the pressurization system controlled?
Buy two pressurization controllers
Which areas of the aircraft and not pressurized?
- Radome
- landing gear bay areas
- Pack bay area
- tail area
When do the cabin pressure controllers switch operations between each other?
- Shortly after landing
- Or if manual mode is selected and deselected
What happens if one pressure controller fails?
The other automatically takes over all functions
What happens if both pressurization controllers fail?
Manual mode may be used to control the pressurization.
How many outflow valves are on the A320?
1 outflow valve
How many motors drive the outflow valve?
2 motors (auto)
1 motor (manual)
If the MAN V/S CTL switch is selected to up, what happens to the outflow valve? And if selected to down?
Up opens the valve
Down closes the valve
How many safety valves does the A320 have?
2
When the ditching pb is pressed, what valves close?
- outflow valve
- emergency ram air inlet
- avionics ventilation inlet valve
- avionics ventilation extract valve
- pack flow control valves