APU Flashcards
1
Q
Max operating alt
A
FL 450
2
Q
Max guaranteed start alt
A
FL 370
3
Q
Max alt for starter assist
A
FL 300
4
Q
If APU inop or can’t start an engine
A
FL 300
5
Q
Max EGT for start
A
1050 c
6
Q
Max EGT running
A
732 c
7
Q
Min temp for gnd start
A
- 40 c
8
Q
Max start alt
A
FL 390
9
Q
Max RPM
A
106%
10
Q
Check oil levels when
A
10 - 30 minutes after shutdown
11
Q
Starter limits
A
Max of 3 consecutive start attempts with a 1 minute cool down between
1 hour cooling before next full starter cycle
Or
6 successful starts with 10 min interval between starts
12
Q
Min temp for ground start
A
- 40 c