Aviation English
Meteorology

視程とは？

視程 Greatest distance at which prominent objects are visible and identifiable by day.

Source: ICAO Doc 9432, FAA PCG

How is “視程” Used in Practice?

視程が1.2マイルに低下しています。滑走路周辺を視認しているか確認してください。

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

優勢視程滑走路視程運用最小基準滑走路視程七十五メートル

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Frequently Asked Questions

視程とは？

Greatest distance at which prominent objects are visible and identifiable by day.

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