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Advanced ATC

Automatic Dependent Surveillance Broadcast Out

A surveillance technology in which an aircraft automatically broadcasts its position, velocity, and identification derived from GNSS, used by ATC and other aircraft (ICAO Annex 10, Doc 4444).

Quick answer: A surveillance technology in which an aircraft automatically broadcasts its position, velocity, and identification derived from GNSS, used by ATC and other aircraft (ICAO Annex 10, Doc 4444).

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Quick answer

A surveillance technology in which an aircraft automatically broadcasts its position, velocity, and identification derived from GNSS, used by ATC and other aircraft (ICAO Annex 10, Doc 4444).

Why it matters

Automatic Dependent Surveillance Broadcast Out matters because it supports clear communication in Advanced 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 Automatic Dependent Surveillance Broadcast Out?

In this glossary, Automatic Dependent Surveillance Broadcast Out refers to: A surveillance technology in which an aircraft automatically broadcasts its position, velocity, and identification derived from GNSS, used by ATC and other aircraft (ICAO Annex 10, Doc 4444).

How is Automatic Dependent Surveillance Broadcast Out used in aviation?

In aviation communication, this term appears in contexts such as: "Ensure ADS-B Out is operating before entering controlled airspace, report any malfunctions immediately."

Why does Automatic Dependent Surveillance Broadcast Out matter in aviation?

Automatic Dependent Surveillance Broadcast Out matters because it supports clear communication in Advanced 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 Automatic Dependent Surveillance Broadcast Out?

Automatic Dependent Surveillance Broadcast Out is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Automatic Dependent Surveillance Broadcast Out belong to?

In this glossary, Automatic Dependent Surveillance Broadcast Out is grouped under Advanced 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 surveillance technology in which an aircraft automatically broadcasts its position, velocity, and identification derived from GNSS, used by ATC and other aircraft (ICAO Annex 10, Doc 4444).

Operational example

Ensure ADS-B Out is operating before entering controlled airspace, report any malfunctions immediately.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Advanced 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

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