APU Flashcards
1
Q
Bleed air extraction from APU is not permitted above what altitude?
A
25,000 ft.
2
Q
Can you use APU bleed air to start engine?
A
Yes
3
Q
If the APU door is not closed or the door position is unknown, what’s the max air speed you can fly?
A
220 KIAS, or the APU must remain in operation.
4
Q
What’s the highest altitude you can operate the APU
A
41,000 ft.
5
Q
What’s the max altitude allowed to start the APU?
A
37,000 ft.
6
Q
Maximum altitude for using APU bleed air?
A
25,000 ft.
7
Q
What is the APU starter motor duty cycle limit?
A
3 start attempts in 1 hour, with a 2 minute delay between each attempts
