Aircraft Systems

transponder mode S

An aircraft transponder providing selective, data-rich responses to ATC interrogations, supporting identification and surveillance functions.

Quick answer: An aircraft transponder providing selective, data-rich responses to ATC interrogations, supporting identification and surveillance functions.

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Languages

Quick answer

An aircraft transponder providing selective, data-rich responses to ATC interrogations, supporting identification and surveillance functions.

Why it matters

transponder mode S 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 transponder mode S?

In this glossary, transponder mode S refers to: An aircraft transponder providing selective, data-rich responses to ATC interrogations, supporting identification and surveillance functions.

How is transponder mode S used in aviation?

In aviation communication, this term appears in contexts such as: "Transponder mode S disetel ke IDENT, konfirmasi dengan ATC."

Why does transponder mode S matter in aviation?

transponder mode S 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 transponder mode S?

transponder mode S is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does transponder mode S belong to?

In this glossary, transponder mode S 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

An aircraft transponder providing selective, data-rich responses to ATC interrogations, supporting identification and surveillance functions.

Operational example

Mode S transponder set to IDENT, confirming with ATC for traffic identification.

Localized term

transponder mode S

Localized example

Transponder mode S disetel ke IDENT, konfirmasi dengan ATC.

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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