APU Flashcards
The APU is limited to ( ) only.
Ground use.
PTM 6-1
The APU provides ( ) and ( ).
Electrical power and pneumatic bleed air.
PTM 6-1
What 3 things will automatically happen in the event of an APU fire?
- Horn will sound
- APU will shut down
- Halon fire extinguisher will disperse
PTM 6-7
Will the APU Fire Push switch work with the aircraft batteries off?
Yes, because it’s wired directly to the Right Emergency Hot bus.
PTM 6-8
After pressing the APU Master switch, how long must you wait prior to starting the APU.
10 seconds so it can complete its self test.
PTM 6-8
After selecting the APU Bleed switch “ON”, there will be a ( ) before the white “ON” is illuminated.
several second delay
PTM 6-9
If the APU Fan Fail light in the tail cone illuminates, can the pilot attempt to reset it?
Yes
PTM 6-5
If the APU Fan Fail light in the tail cone is illuminated and cannot be reset, can the APU be used?
Yes, but only if the ramp temperature is 100° F or less.
PTM 6-5
After normal APU shutdown, should you wait to turn off the APU Master?
Yes, 30 seconds while it runs a “BIT” test
PTM 6-11
The APU burns approximately ( ) from the ( ).
100 lbs per hour
Right wing tank
PTM 6-6
Can the APU still be used if the blue APU FAIL/FAULT light is illuminated.
Yes
PTM 6-13
Can the APU still be used if the APU ADD OIL or APU OIL LOW lights are illuminated? What’s the difference?
Yes. Must add oil within the next 5 hours of APU usage if OIL LOW light is illuminated.
PTM 6-13
What actions are required after the APU performs an un-commanded shut down?
A visual inspection must be completed prior to takeoff.
AFM 4-12
Can you takeoff with an amber APU FAIL CAS message?
No
AFM 4-12
The ( ) will automatically activate and remain on while the APU is running.
Right STBY pump
PTM 6-8
