Aviation English
Aircraft Systems

What is above ground level?

above ground level An altitude or height measured with reference to the underlying ground surface directly beneath the aircraft.

Source: ICAO Doc 9432, FAA PCG

How is “above ground level” Used in Practice?

Maintain altitude 2,000 feet above ground level until established on approach.

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 above ground level?

An altitude or height measured with reference to the underlying ground surface directly beneath the aircraft.

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