塞拉是什么？

塞拉 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 “塞拉” Used in Practice?

着陆后，通过Sierra离开12号跑道，并用121.9联系地面滑行至停机位。

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

塞拉是什么？

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

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Last updated: March 09, 2026

塞拉 是什么？