Aviation English
Aircraft Systems

What is terrain awareness and warning system?

terrain awareness and warning system Advanced system alerting pilots of hazardous terrain or obstacles using GPS and a terrain database, supplementing GPWS.

Source: ICAO Doc 9432, FAA PCG

How is “terrain awareness and warning system” Used in Practice?

Terrain Awareness and Warning System activated, caution for high terrain ahead.

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 systemSafety alertGround Proximity Warning System

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Frequently Asked Questions

What is terrain awareness and warning system?

Advanced system alerting pilots of hazardous terrain or obstacles using GPS and a terrain database, supplementing GPWS.

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