APU Limitations Flashcards
1
Q
Minimum Temp Start
A
-40 Degrees C
2
Q
Max Start Altitude
A
30,000 ft.
3
Q
Max Altitude Bleed Air Use
A
15,000 ft.
4
Q
Max Altitude Engine Start
A
13,000 ft.
5
Q
Recommended Delay Time Between Cranking Attempts
A
2 minutes
6
Q
Maximum Starts/Start Attempts In One Hour
A
3
7
Q
APU Starter Duty Cycle Max Time On/Time Off
A
- 30 Seconds on/No time off
- 30 Seconds on/20 minutes off
- 30 seconds on/No time off
- 30 seconds on/40 minutes off
