APU General Flashcards Preview

SkyWest CRJ Upgrade 2019 > APU General > Flashcards

Flashcards in APU General Deck (11):
1

What does the ECU do for the APU?

Control fuel scheduling, temp monitoring, and automatic shutdown

2

What is the min temp to start the APU?

-40*C

3

What is the max ops alt?

FL 370

4

What is the max start alt?

FL300

5

What is the Max Alt for bleed use?

15,000

6

What is the max alt for Eng Start?

13,000

7

What is the max speed with door open APU not operating ?

300 Kias

8

What is the APU starter duty cycle?

30 sec on 2 min off
30 sec on 20 min off
30 sec on 2 min off
30 sec on 40 min off

9

When will the LCV interlock protection command the LCV closed?

L 10th stage open
OR
R 10th and 10th ISOL OPEN

10

What does APU SOV CLSD advisory msg mean?

APU fuel SOV is closed during a fire condition

11

APU IN BITE will be displayed how long?

5 seconds