49 APU

Question 1

What two types of power does the APU supply?

Answer 1

Pneumatic

Electrical

Question 2

What provides the system logic for the modes of APU operation?

Answer 2

ECB Electronic Control Box

Question 3

How many hours of operation can you do with APU LOW OIL LVL showing?

Answer 3

10 hrs

Question 4

What is the APU restart altitude limit when on batteries?

Answer 4

25000ft

Question 5

What does the green arrow mean on the ECAM SD page above the APU gen box?

Answer 5

APU GEN line contactor indication

Question 6

What is the limit for APU bleed use to start the engines?

Answer 6

FL200

Question 7

What is the limit for APU air conditioning and pressurisation (single pack)?

Answer 7

22500ft

Question 8

What is the APU limit for air conditioning and pressurisation (dual pack)?

Answer 8

15000ft