Limitations - APU Flashcards
1
Q
APU Starter Duty Cycle
A
1 & 2 - 60 seconds OFF
3 - 5 minutes OFF
2
Q
APU Start Temperature Range
A
-54C - ISA + 35C
3
Q
APU Maximum Start Altitude
A
30,000 ft
4
Q
APU Operating Temperature Range
A
-54C - ISA + 35C
5
Q
APU Continuous Operating Altitude
A
33,000 ft
6
Q
APU Continuous Electrical Generator Use Altitude
A
33,000 ft
7
Q
APU Engine Start Altitude
A
21,000 ft
8
Q
APU Bleed Use Altitude
A
15,000 ft
9
Q
Max time to leave unattended with APU running.
A
5 minutes
10
Q
Is simultaneous use of APU bleed air and HP cart air authorized?
A
No
11
Q
APU Start Wait Time
A
30 seconds after EICAS is energized
