Aviation English
Meteorology

火山灰重要気象情報とは？

火山灰重要気象情報 A SIGMET concerning volcanic ash clouds that may affect en‑route flight safety.

Source: ICAO Doc 9432, FAA PCG

How is “火山灰重要気象情報” Used in Practice?

ATC：NORTH FIRセクターのFL200で灰雲観測のため火山灰SIGMET12を発行。

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

重大気象情報熱帯低気圧に関する重要気象情報（SIGMET）火山灰ルート視程

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Frequently Asked Questions

火山灰重要気象情報とは？

A SIGMET concerning volcanic ash clouds that may affect en‑route flight safety.

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