APU

Question 1

MAX N speed

Answer 1

107%

Question 2

MAX EGT for APU running

Answer 2

675°C

Question 3

MAX EGT for APU start [below 35000ft]

Answer 3

1090°C

Question 4

MAX EGT for APU start [above 35000ft]

Answer 4

1120°C

Question 5

MAX ALT to assist ENG START

Answer 5

20000ft

Question 6

MAX ALT for A/C & PRESS [single pack]

Answer 6

22500ft

Question 7

MAX ALT for A/C & PRESS [dual pack]

Answer 7

15000 ft

Question 8

During refuel/defuel procedures APU starts or shutdown are permitted with restrictions:

Answer 8

▪️If APU failed to start or following an automatic APU shutdown, do NOT start the APU.
▪️If a fuel spill occurs, perform a normal APU shutdown.