APU Flashcards
(4 cards)
1
Q
What is the maximum operating altitude for the APU? Max altitude for bleed and electric load? Bleed only? Electric only?
A
Bleed and Electric 10000ft
Bleed only 17000ft
Electric only 41000ft
Maximum operating altitude 41000ft
2
Q
Ensure the APU BLEED air switch is closed for 2 minutes _____ and for 1 minute _____.
A
2 minutes after start
1 minute prior to shutdown
3
Q
The APU bleed valve may be open during engine start, but avoid engine power _____.
A
Above idle
4
Q
Except for engine start, the APU bleed valve must be closed when another source is pressurizing ____?
A
The left bleed air duct
