APU Flashcards
1
Q
Min temperature for cold-soaked APU start on ground
A
-40c
2
Q
APU starter duty cycle
A
Not more than 3 starts in 1 hour with a 2 minute delay between start attempts
3
Q
Max starting altitude
A
37.000 feet
4
Q
Maximum Operating altitude
A
41.000 feet
5
Q
Bleed air extraction from APU is not permitted:
A
Above 25.000 feet
6
Q
Engine relight in flight: Starter assisted main engine start using APU bleed permitted:
A
21.000 feet or below
7
Q
APU door not closed or position unknown
A
Airspeed max 220 KIAS or APU must remain in operation
