Flight Planning

相当対気速度

Indicated airspeed corrected for compressibility effects at altitude, used for performance comparisons.

Quick answer: Indicated airspeed corrected for compressibility effects at altitude, used for performance comparisons.

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Quick answer

Indicated airspeed corrected for compressibility effects at altitude, used for performance comparisons.

Why it matters

相当対気速度 matters because it supports clear communication in Flight Planning 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 相当対気速度?

In this glossary, 相当対気速度 refers to: Indicated airspeed corrected for compressibility effects at altitude, used for performance comparisons.

How is 相当対気速度 used in aviation?

In aviation communication, this term appears in contexts such as: "パイロット:FL250で計算された相当対気速度は構造制限のため270ノットです。"

Why does 相当対気速度 matter in aviation?

相当対気速度 matters because it supports clear communication in Flight Planning 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 相当対気速度?

相当対気速度 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 相当対気速度 belong to?

In this glossary, 相当対気速度 is grouped under Flight Planning. 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

Indicated airspeed corrected for compressibility effects at altitude, used for performance comparisons.

Operational example

Pilot: Calculated equivalent airspeed at FL250 is 270 knots for structural speed limitations.

Localized term

相当対気速度

Localized example

パイロット:FL250で計算された相当対気速度は構造制限のため270ノットです。

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Flight Planning

Exam relevance

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

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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