Aviation English
Aircraft Systems

What is pack valve?

pack valve A valve that regulates the flow of bleed air into the air conditioning pack.

Source: ICAO Doc 9432, FAA PCG

How is “pack valve” Used in Practice?

Cabin, we are closing the left pack valve for maintenance, expect slight temperature variation.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

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Frequently Asked Questions

What is pack valve?

A valve that regulates the flow of bleed air into the air conditioning pack.

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