Bleed Air

Definition

Compressed air extracted from the engine compressor section used for cabin pressurization, air conditioning, anti-icing, and engine starting. Bleed air extraction reduces available engine thrust slightly.

Related Terms

Pressurization

The process of maintaining cabin altitude at a comfortable level while the aircr...

Auxiliary Power Unit(APU)

A small gas turbine engine in the aircraft tail that provides electrical power a...

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