Aviation English
Ground Ops

What is CG shift?

CG shift Change in the aircraft’s centre of gravity caused by fuel burn, cargo movement or passenger redistribution, potentially affecting stability limits.

Source: ICAO Doc 9432, FAA PCG

How is “CG shift” Used in Practice?

Dispatch, forward CG shift two percent MAC after taxi fuel burn; please verify.

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 CG shift?

Change in the aircraft’s centre of gravity caused by fuel burn, cargo movement or passenger redistribution, potentially affecting stability limits.

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