Limitations - APU Flashcards
(9 cards)
1
Q
APU Starter limits
1st and 2nd start attempts
3rd start attempt.
A
Start/on followed by 60 seconds off.
Start/on followed by 5 min. Off.
2
Q
Max and min APU temps
A
Max- ISA +35*C
Min- -54*C
3
Q
Max Altitude to Start APU
A
30,000’
4
Q
Max Altitude for APU Operation (electrical)
A
33,000’
5
Q
Max Altitude for APU Operation (Bleed)
A
15,000’
6
Q
Max Altitude for APU (assist engine Start)
A
21,000’
7
Q
Max APU rotor speed
A
108%
8
Q
Max start APU EGT
A
1,032*C
9
Q
Max APU continuous EGT
A
717*C
