Escape Path
- true that wrt to zone duct temps. No cockpit indications of external air connected. I also look out the left window and see if the hose is inflated, if it's deflated I feel as if I am at home.....
That said, if the galley wants H2o pressure (no potable water electric pumps on our AC) we fire up the APU, pack off, APU bleed on for 90 seconds and make that €135 cup of coffee!