jb747
Enthusiast
- Joined
- Mar 9, 2010
- Posts
- 12,959
If it's available. we'll use it. Most of the time on the 380, we'd transfer to ground services.Question: at airports how often is ground power used, versus the jet's APU?
I liked to go back to aircraft power at about 15 minutes to go, so depending upon the turnaround time, that leaves a fair bit of time to have the aircraft using ground power. The APU may still be kept running though. It also provides air for the cabin air conditioning, and if ground air isn't available, or isn't up to the task (which is most of Australia in summer), then you can keep the APU running just for the air. Unloading the generators from it still provided a burn saving, so it wasn't pointless.