Aviation English
Aircraft Systems

What is avionics fan?

avionics fan A fan dedicated to cooling avionics equipment by circulating air through the electronics bay.

Source: ICAO Doc 9432, FAA PCG

How is “avionics fan” Used in Practice?

Avionics fan is showing a fault light, please monitor temperatures in the electronics bay closely.

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is avionics fan?

A fan dedicated to cooling avionics equipment by circulating air through the electronics bay.

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