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What is Upper ATS Airway?

Upper ATS Airway A designated corridor in controlled airspace, typically above a specified flight level (e.g., FL245), for use by aircraft under Air Traffic Services, forming part of the upper air route network.

Source: ICAO Doc 9432, FAA PCG

How is “Upper ATS Airway” Used in Practice?

After passing TUNEL, climb and join the UN858 Upper ATS Airway at flight level three one zero.

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 Upper ATS Airway?

A designated corridor in controlled airspace, typically above a specified flight level (e.g., FL245), for use by aircraft under Air Traffic Services, forming part of the upper air route network.

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