Aviation English
Meteorology

涡流云 是什么?

涡流云 A turbulent, low-level cloud formation found downwind of mountain ranges, forming in the rotor zone beneath and near mountain waves; indicative of severe turbulence and hazardous for aviation.

Source: ICAO Doc 9432, FAA PCG

How is “涡流云” Used in Practice?

报告机场西侧涡流云附近有严重颠簸,进近时请保持警惕。

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

涡流云 是什么?

A turbulent, low-level cloud formation found downwind of mountain ranges, forming in the rotor zone beneath and near mountain waves; indicative of severe turbulence and hazardous for aviation.

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