Aviation English
Aircraft Systems

What is ground proximity warning system?

ground proximity warning system An aircraft safety system that warns pilots if the aircraft is at risk of controlled flight into terrain or obstacles.

Source: ICAO Doc 9432, FAA PCG

How is “ground proximity warning system” Used in Practice?

Ground Proximity Warning System alert, executing immediate climb to avoid terrain.

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

terrain awareness and warning systemGround Proximity Warning SystemTerrain Awareness WarningSafety alert

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Frequently Asked Questions

What is ground proximity warning system?

An aircraft safety system that warns pilots if the aircraft is at risk of controlled flight into terrain or obstacles.

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