APU Flashcards
1
Q
What does the APU provide?
A
Pneumatic power for the main engine start, cabin heating, electrical power for the ground/emergency
2
Q
When should you check the APU oil?
A
After 30 minute cooling period
3
Q
How could you emergency override the APU start switch?
A
Cycling the APU start switch 5 times in 5 seconds
4
Q
How is fuel supplied to the APU?
A
Left main fuel tank
5
Q
How long does the back up pump run after the accumulator pressure switch?
A
90 seconds
