Aviation English
Flight Planning

What is unchanged?

unchanged Minimum vertical profile flown after take‑off, reduced from gross climb to ensure obstacle clearance following critical-engine failure

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

unchangedtaxi‑out fuelunchangedunchanged

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Frequently Asked Questions

What is unchanged?

Minimum vertical profile flown after take‑off, reduced from gross climb to ensure obstacle clearance following critical-engine failure

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