Oral Bank - APU Flashcards
1
Q
When does the EICAS memo message APU RUNNING display?
A
- APU selector ON, AND
- APU N1 RPM exceeds 91%
2
Q
Is electrical power available from the APU in-flight?
A
No
3
Q
Can the APU be operated in flight?
A
Yes, when left running for T/O up to 20,000ft
4
Q
How long should you wait before turning the battery switch off after the APU selector is rotated to OFF and why?
A
- 2 minutes
- Allows for a complete shutdown sequence, with fire detection capability