Aviation English
Aircraft Systems

What is variable stator vanes?

variable stator vanes Adjustable compressor guide vanes that control airflow angle and optimize engine efficiency across operating conditions.

Source: ICAO Doc 9432, FAA PCG

How is “variable stator vanes” Used in Practice?

Engine parameters indicate the variable stator vanes are stuck, affecting acceleration and engine stability.

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

autothrottle systemengine instrument displayengine anti‑iceengine pressure ratio

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Frequently Asked Questions

What is variable stator vanes?

Adjustable compressor guide vanes that control airflow angle and optimize engine efficiency across operating conditions.

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