APU

Question 0

APU starting limits ?

Answer 0

A 2-minute cool down period must be observed between shutdown and next APU start. After 3 attempts a 30 minute cool down period must be observed.

Question 1

When is APU Generator available ?

Answer 1

4 seconds after APU RPM exceeds 95%

Question 2

What is max altitude limit operating limit for the APU ?

Answer 2

FL400