Aviation English
Phonetic Alphabet

Was ist Sierra?

Sierra The letter 'S' as spoken in the ICAO phonetic alphabet, used in ATC phraseology to identify taxiways, holding points, and aircraft callsigns.

Source: ICAO Doc 9432, FAA PCG

How is “Sierra” Used in Practice?

Nach der Landung verlassen Sie Piste 12 über Sierra und kontaktieren Boden auf 121.9 für das Rollen zur Parkposition.

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

Was ist Sierra?

The letter 'S' as spoken in the ICAO phonetic alphabet, used in ATC phraseology to identify taxiways, holding points, and aircraft callsigns.

Where can I learn this term for free?

Termify is a 100% free professional English app that teaches Sierra 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.

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