CABIN Caution Light
> 21,000 +/- 1,100ft
Crossbleed Min Rpm
80%
Best Cooling Rpm
74%
Bleed Air Off
Lose OBOGS ECS Press Ext Fuel Transfer Crossbleed Start Anti-G Protection Windshield Anti-Ice Rain
AUG Pull
Augments ECS air for avionics cooling, overrides APU shutdown
ECS Auxiliary Duct Doors
On Ground
- Open if bleed air knob in any position but OFF
In Flight:
Cabin Pressure Schedule
0-8,000ft - Equal Pressure
8,000ft-24,500ft - 8,000ft cabin press
>24,500ft - Alt x .4