Aircraft Systems

outside air temperature

The temperature of the air outside the aircraft, used in performance and anti-ice calculations.

Quick answer: The temperature of the air outside the aircraft, used in performance and anti-ice calculations.

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Languages

Quick answer

The temperature of the air outside the aircraft, used in performance and anti-ice calculations.

Why it matters

outside air temperature matters because it supports clear communication in Aircraft Systems 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 outside air temperature?

In this glossary, outside air temperature refers to: The temperature of the air outside the aircraft, used in performance and anti-ice calculations.

How is outside air temperature used in aviation?

In aviation communication, this term appears in contexts such as: "Outside Air Temperature at cruise is minus 50 Celsius, anti-ice systems remain on."

Why does outside air temperature matter in aviation?

outside air temperature matters because it supports clear communication in Aircraft Systems 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 outside air temperature?

outside air temperature is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does outside air temperature belong to?

In this glossary, outside air temperature is grouped under Aircraft Systems. 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 temperature of the air outside the aircraft, used in performance and anti-ice calculations.

Operational example

Outside Air Temperature at cruise is minus 50 Celsius, anti-ice systems remain on.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Aircraft Systems

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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