APU Flashcards
1
Q
When will the APU automatically shut down in flight?
A
Under speed, the loss of speed data, or an ESU failure
2
Q
What is the proper way to shut down the APU?
A
Press the stop button
3
Q
What happens if you get an APU fail caution message on EICAS
A
Do not try to restart the APU
4
Q
When does the ESU command EPU fuel and ignition?
A
3% APU RPM on the ground and 0% in Flight
