Aviation English
Ground Ops

What is Air start unit?

Air start unit A device used to start an aircraft's engines by supplying high-pressure air.

Source: ICAO Doc 9432, FAA PCG

How is “Air start unit” Used in Practice?

Request air start unit support for engine number two before pushback.

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

Auxiliary Power Unit Dispatchauxiliary power unitAPU fuel feedbleed air

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Frequently Asked Questions

What is Air start unit?

A device used to start an aircraft's engines by supplying high-pressure air.

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