Basic ATC

识别信号

A function on the aircraft transponder that, when activated, causes the radar return to flash on the controller’s screen for identification.

Quick answer: A function on the aircraft transponder that, when activated, causes the radar return to flash on the controller’s screen for identification.

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Quick answer

A function on the aircraft transponder that, when activated, causes the radar return to flash on the controller’s screen for identification.

Why it matters

识别信号 matters because it supports clear communication in Basic ATC 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 识别信号?

In this glossary, 识别信号 refers to: A function on the aircraft transponder that, when activated, causes the radar return to flash on the controller’s screen for identification.

How is 识别信号 used in aviation?

In aviation communication, this term appears in contexts such as: "雷达:N123AB,未建立雷达联系,请现在尝试发送识别信号。"

Why does 识别信号 matter in aviation?

识别信号 matters because it supports clear communication in Basic ATC 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 识别信号?

识别信号 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 识别信号 belong to?

In this glossary, 识别信号 is grouped under Basic ATC. 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

A function on the aircraft transponder that, when activated, causes the radar return to flash on the controller’s screen for identification.

Operational example

Radar: N123AB, radar contact not established, try ident now.

Localized term

识别信号

Localized example

雷达:N123AB,未建立雷达联系,请现在尝试发送识别信号。

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Basic ATC

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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