Systems - APU Flashcards
1
Q
Max altitude for APU electrical only
A
41,000 ft
2
Q
Max recommended altitude for APU start
A
25,000 ft
3
Q
Max altitude for APU bleed air
A
17,000 ft
4
Q
Max altitude for APU bleed and electrical
A
10,000 ft
5
Q
What’s happens to APU if battery is turned off while running APU?
A
Automatically shuts down due to power loss to its ECU
6
Q
How long do you run APU before turning bleed air on?
A
60 sec
7
Q
How long to wait after APU GEN BUS light extinguishes to turn off Battery
A
2 min 15 sec
