Pneumatic-Vacuum System Flashcards
1
Q
What is the source of air for the pneumatic system?
A
P3 air.
2
Q
What is pneumatic 18 psi air used for?
A
The engine bleed air warning system.
3
Q
Vacuum pressure is used for?
A
The air-driven gyro instruments.
4
Q
Normal pneumatic system pressure is?
A
12-21 psi
5
Q
What is the indication to the pilot in the cockpit of a total malfunction of the vacuum system?
A
Gyro suction gauge indication of 0 inches of Hg and uncontrollable cabin climb.
