Uses what air
4th stage and 7th to supplement if 4th stage pressure insufficient
Normal Bleed Air pressure
14 psi - 52 psi
Single Pack pressure
35 psi
Max temp at precooler inlet with WAI on
630 F
Temp at Precooler outlet at normal Ops
400 F
Temp at Precooler outlet at WAI on and single Pack
500 F