4. APU Flashcards by Andy Wildman

Q

APU Start Limitations

A

After 3 consecutive start attempts - 60 min before a new start attempt.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

APU START/SHUTDOWN during Refueling/De-fueling

A

During Refueling / De-fueling - APU Shutdowns are permitted with the following restrictions:

if the APU failed to start or following an automatic APU shutdown, do not statrt the APU
if a fuel spill occurs, perform a normal shutdown

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

APU Bleed

Max Altitude to assist engine start

A

20 000 ft

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

APU Bleed

Max Altitude for airconditioning and pressurisation (single pack)

A

22 500 ft

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

APU Bleed

Max Altitude for airconditioning and pressurisation (dual pack)

A

15 000 ft

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Use of APU bleed air for wing anti-ice

A

Not permitted

How well did you know this?

1

Not at all

2

3

4

5

Perfectly