What is 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?
After landing, exit Runway 12 via Sierra and contact ground on 121.9 for taxi to the stand.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is 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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