Aviation English
Flight Planning

What is Unchanged?

Unchanged Length Of The Designated Area Beyond The Runway End That Can Be Used To Decelerate During A Rejected Take‑Off, As Part Of ASDA.

Source: ICAO Doc 9432, FAA PCG

How is “Unchanged” Used in Practice?

Unchanged

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

stopway lengthUnchangedHold shortSnow accumulation

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Frequently Asked Questions

What is Unchanged?

Length Of The Designated Area Beyond The Runway End That Can Be Used To Decelerate During A Rejected Take‑Off, As Part Of ASDA.

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