Aviation English
Emergencies

What is Ground Proximity Warning System?

Ground Proximity Warning System An onboard system that alerts pilots if the aircraft is in immediate danger of flying into the ground or an obstacle.

Source: ICAO Doc 9432, FAA PCG

How is “Ground Proximity Warning System” Used in Practice?

Ground proximity warning activated. Pull up immediately. We're executing terrain avoidance.

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 Warningground proximity warning systemFire WarningCargo Compartment Fire

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Frequently Asked Questions

What is Ground Proximity Warning System?

An onboard system that alerts pilots if the aircraft is in immediate danger of flying into the ground or an obstacle.

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