General OPS: AC Power/APU Flashcards
When should External AC Power be used?
When aircraft is at the Gate.
At what point should External AC power be removed?
10 minutes prior to pushback
A powered aircraft should not be left unattended for how long?
5 minutes
When should the APU be started on the ground?
10 minutes prior to pushback
When should the APU be started after landing?
- Time until departure is less than 30 minutes
- Environmental conditions require APU Bleed air
- External AC power is unavailable at the gate
How long should you wait before establishing APU Bleed air on the ground?
2 minutes
What APU starting procedure is used under extremely cold temps?
Momentarily select START/STOP first, then momentarily select PWR/FUEL. Resume normal start procedures
What is the required bleed configuration for FFOD takeoffs?
Engine bleeds shall be closed
When would you operate the APU in flight?
- PAX comfort
- CRJ200 Missed approach perf with wing/cowl anti-ice ON
- Abnormal or Emergency procedure
How are bleeds established with the engine off?
- L 10th Stage: Closed
- APU LCV: Open
- 10th Stage ISOL Valve: Open
- R 10th Stage: Closed
When APU shutdown, when can the APU GEN remain in the ON position?
Engines operating
