Aviation English
Flight Planning

What is Unchanged?

Unchanged Wind Blowing In The Same Direction As Aircraft Movement, Reducing Lift And Increasing Required Take‑Off Or Landing Distance.

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

UnchangedUnchangedhead‑wind componentrunway‑length correction for slope and temperature

Learn “Unchanged” Free with Termify

Master Unchanged and 4,071+ professional terms with native pronunciation, IPA transcriptions and career quizzes. 100% free, forever.

Download Free for iOS

Frequently Asked Questions

What is Unchanged?

Wind Blowing In The Same Direction As Aircraft Movement, Reducing Lift And Increasing Required Take‑Off Or Landing Distance.

Where can I learn this term for free?

Termify is a 100% free professional English app that teaches Unchanged and 4,071+ other industry terms with native pronunciation, IPA transcriptions and career quizzes. Available on iOS in 23 languages. No subscription, no credit card required.

Last updated: