Originally Posted by
Coupe84
On all the training material I’ve read, the literature says that the Pneumatic System is supplied with high pressure air from Engine, APU, or HP ground for Air Conditioning, hydraulic tank pressure, wing anti-ice, water tank pressure, and engine starting. But isn’t the Engine Anti Ice also bleed air? I’m curious why I never see that listed. Thanks!
Because it's a separate system, supplied by a different valve.