---
title: "Controller–Pilot Data Link Communications — aviation glossary — OnlyPlanes"
description: "Digital communication between controllers and pilots using defined messages."
canonical_url: "https://onlyplanes.ru/en/learn/cpdlc"
locale: en
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  "og:title": "Controller–Pilot Data Link Communications — aviation glossary"
---

> Index of every page on this site: [llms.txt](https://onlyplanes.ru/llms.txt)

Aviation abbreviation

# Controller–Pilot Data Link Communications

ABBR · Radio communications and ATC

At a glance

## Meaning of Controller–Pilot Data Link Communications

Digital communication between controllers and pilots using defined messages.

### More about Controller–Pilot Data Link Communications

CPDLC can carry clearances, requests and reports through a data link. The supported messages and procedures depend on the airspace and equipment.

It complements voice communication rather than turning every radio exchange into free-text messaging. Crews follow the applicable acknowledgement and response procedures.

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