APU Systems

Question 1

Where is the APU located

Answer 1

in the tail cone of the aircraft

Question 2

Three ways to start the APU

Answer 2

1. APU battery
2. external power source
3. engine operator power source

Question 3

APU supply on ground

Answer 3

supplies bleed air for starting engines and air conditioning

Question 4

APU supply During t/o

Answer 4

supplies bleed air for air conditioning, avoiding a reduction in engine thrust caused by use of engine bleed air for this purpose

Question 5

APU in flight

Answer 5

provides a backup for electrical system
provides a backup for air conditioning
can be used to start engines during engine fault