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Meteorology

International Standard Atmosphere Deviation

The difference between the actual atmospheric temperature and the standard temperature defined by the International Standard Atmosphere at a given altitude.

Quick answer: The difference between the actual atmospheric temperature and the standard temperature defined by the International Standard Atmosphere at a given altitude.

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Quick answer

The difference between the actual atmospheric temperature and the standard temperature defined by the International Standard Atmosphere at a given altitude.

Why it matters

International Standard Atmosphere Deviation 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 International Standard Atmosphere Deviation?

In this glossary, International Standard Atmosphere Deviation refers to: The difference between the actual atmospheric temperature and the standard temperature defined by the International Standard Atmosphere at a given altitude.

How is International Standard Atmosphere Deviation used in aviation?

In aviation communication, this term appears in contexts such as: "Report ISA deviation in degrees Celsius at flight level three five zero."

Why does International Standard Atmosphere Deviation matter in aviation?

International Standard Atmosphere Deviation 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 International Standard Atmosphere Deviation?

International Standard Atmosphere Deviation is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does International Standard Atmosphere Deviation belong to?

In this glossary, International Standard Atmosphere Deviation 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

The difference between the actual atmospheric temperature and the standard temperature defined by the International Standard Atmosphere at a given altitude.

Operational example

Report ISA deviation in degrees Celsius at flight level three five zero.

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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