APU Limitations Flashcards
1
Q
What is the maximum altitude to use the APU for a Bleed and Electric Load?
A
10,000’
2
Q
What is the maximum altitude to use the APU for Bleed Only?
A
17,000’.
3
Q
What is the maximum altitude to use the APU for Electric Only?
A
41,000’
4
Q
Ensure APU BLEED air switch is closed for 2 minutes ________ and for 1 minute ________.
A
After start
Prior to shutdown.
5
Q
APU bleed valve may be open during engine start but avoid engine power ________.
A
Above idle.
6
Q
Except for engine start, the APU bleed valve must be closed when another source is pressuring ________.
A
The left bleed air duct
7
Q
What is the maximum operating altitude for the APU?
A
41,000’
