Meteorology

prevailing visibility

Greatest visibility value equaled or exceeded for at least half the horizon.

Quick answer: Greatest visibility value equaled or exceeded for at least half the horizon.

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Quick answer

Greatest visibility value equaled or exceeded for at least half the horizon.

Why it matters

prevailing visibility matters because it supports clear communication in Meteorology contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Editorial context

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Questions and answers

Questions and answers

What is prevailing visibility?

In this glossary, prevailing visibility refers to: Greatest visibility value equaled or exceeded for at least half the horizon.

How is prevailing visibility used in aviation?

In aviation communication, this term appears in contexts such as: "What is the prevailing visibility reported at the field for our approach?"

Why does prevailing visibility matter in aviation?

prevailing visibility matters because it supports clear communication in Meteorology contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Who uses prevailing visibility?

prevailing visibility is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does prevailing visibility belong to?

In this glossary, prevailing visibility is grouped under Meteorology. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

Greatest visibility value equaled or exceeded for at least half the horizon.

Operational example

Pilot: What is the prevailing visibility reported at the field for our approach?

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Meteorology

Exam relevance

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

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

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