Aviation English
Advanced ATC

What is Data Communications?

Data Communications Digital message exchange between air traffic control and aircraft, including CPDLC, ADS-C, and other datalink systems for clearances, instructions, and information (ICAO Doc 10037, GOLD).

Source: ICAO Doc 9432, FAA PCG

How is “Data Communications” Used in Practice?

Data Communications are used for ATC clearances, weather updates, and route changes, especially in oceanic and remote airspace.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is Data Communications?

Digital message exchange between air traffic control and aircraft, including CPDLC, ADS-C, and other datalink systems for clearances, instructions, and information (ICAO Doc 10037, GOLD).

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