Aviation English
Meteorology

ローター雲とは?

ローター雲 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 “ローター雲” Used in Practice?

飛行場西側のローター雲付近で激しい乱気流を報告、進入時は注意してください。

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

ローター雲とは?

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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