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Advanced ATC

Automatic Dependent Surveillance Contract

A formal agreement, electronically established between an aircraft and ATC ground station, specifying when position, intent, and status reports are automatically transmitted via ADS-C (ICAO Doc 4444, GOLD).

Quick answer: A formal agreement, electronically established between an aircraft and ATC ground station, specifying when position, intent, and status reports are automatically transmitted via ADS-C (ICAO Doc 4444, GOLD).

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Quick answer

A formal agreement, electronically established between an aircraft and ATC ground station, specifying when position, intent, and status reports are automatically transmitted via ADS-C (ICAO Doc 4444, GOLD).

Why it matters

Automatic Dependent Surveillance Contract 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 Contract?

In this glossary, Automatic Dependent Surveillance Contract refers to: A formal agreement, electronically established between an aircraft and ATC ground station, specifying when position, intent, and status reports are automatically transmitted via ADS-C (ICAO Doc 4444, GOLD).

How is Automatic Dependent Surveillance Contract used in aviation?

In aviation communication, this term appears in contexts such as: "Automatic Dependent Surveillance Contract established; position reports will be sent at intervals defined by ATC."

Why does Automatic Dependent Surveillance Contract matter in aviation?

Automatic Dependent Surveillance Contract 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 Contract?

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

What category does Automatic Dependent Surveillance Contract belong to?

In this glossary, Automatic Dependent Surveillance Contract 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 formal agreement, electronically established between an aircraft and ATC ground station, specifying when position, intent, and status reports are automatically transmitted via ADS-C (ICAO Doc 4444, GOLD).

Operational example

Automatic Dependent Surveillance Contract established; position reports will be sent at intervals defined by ATC.

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

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

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