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Meteorology

Altimeter Setting

The current local atmospheric pressure value set in an aircraft’s altimeter to ensure correct indication of altitude above mean sea level, typically given in hectopascals (hPa) or inches of mercury (inHg).

Quick answer: The current local atmospheric pressure value set in an aircraft’s altimeter to ensure correct indication of altitude above mean sea level, typically given in hectopascals (hPa) or inches of mercury (inHg).

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Quick answer

The current local atmospheric pressure value set in an aircraft’s altimeter to ensure correct indication of altitude above mean sea level, typically given in hectopascals (hPa) or inches of mercury (inHg).

Why it matters

Altimeter Setting 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 Altimeter Setting?

In this glossary, Altimeter Setting refers to: The current local atmospheric pressure value set in an aircraft’s altimeter to ensure correct indication of altitude above mean sea level, typically given in hectopascals (hPa) or inches of mercury (inHg).

How is Altimeter Setting used in aviation?

In aviation communication, this term appears in contexts such as: "Copenhagen Tower, request altimeter setting for landing."

Why does Altimeter Setting matter in aviation?

Altimeter Setting 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 Altimeter Setting?

Altimeter Setting is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Altimeter Setting belong to?

In this glossary, Altimeter Setting 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 current local atmospheric pressure value set in an aircraft’s altimeter to ensure correct indication of altitude above mean sea level, typically given in hectopascals (hPa) or inches of mercury (inHg).

Operational example

Copenhagen Tower, request altimeter setting for landing.

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

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

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