APU Limitations Flashcards
1
Q
Max altitude to use the APU for both Bleed and Electric Load
A
10,000 ft.
2
Q
Max altitude to use APU for Bleed Only?
A
17,000 ft.
3
Q
Max altitude to use the APU for Electric Only?
A
41,000 ft.
4
Q
Max operating altitude for the APU?
A
41,000 ft.
5
Q
Ensure APU Bleed air switch is closed for 2 minutes ______ and for 1 minute _________.
A
APU BLEED air switch is closed for 2 minutes AFTER START and for 1 minute PRIOR TO SHUTDOWN.
6
Q
APU Bleed valve may be open during engine start but avoid engine power ______.
A
above idle.
7
Q
Except for engine start, the APU bleed valve must be closed when another is pressurizing _______.
A
the left bleed air duct.
