---
title: "C2 link — EASA Definition · Avioverse"
description: "Article 2, Regulations (EU) 2019/947 and 2019/945: ‘C2 link’ means the data link between the UA and the CMU for the purpose of managing the flight;"
url: "https://avioverse.aero/glossary/easa/c2-link"
---

# C2 link

EASA defines “C2 link” in one regulation, with a separate wording for each case. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

> ‘C2 link’ means the data link between the UA and the CMU for the purpose of managing the flight;

Article 2 · Unmanned Aircraft Systems · Regulations (EU) 2019/947 and 2019/945 · Easy Access Rules, 29 Jun 2026 revision · [Read Article 2](https://avioverse.aero/regulations/easa/uas/cover-regulation-to-implementing-regulation-eu/powers-and-recitals#article-2)

> ‘C2 link’ means the data link between the unmanned aircraft and the CMU for the purposes of managing the flight;

Article 3 · Unmanned Aircraft Systems · Regulations (EU) 2019/947 and 2019/945 · Easy Access Rules, 29 Jun 2026 revision · [Read Article 3](https://avioverse.aero/regulations/easa/uas/cover-regulation-to-delegated-regulation-eu-2019/chapter-i-general-provisions#article-3)

## Defined in the same article

- [accreditation](https://avioverse.aero/glossary/easa/accreditation)
- [airspace observer](https://avioverse.aero/glossary/easa/airspace-observer)
- [assemblies of people](https://avioverse.aero/glossary/easa/assemblies-of-people)
- [authorised representative](https://avioverse.aero/glossary/easa/authorised-representative)
- [autonomous operation](https://avioverse.aero/glossary/easa/autonomous-operation)
- [beyond visual line of sight operation](https://avioverse.aero/glossary/easa/beyond-visual-line-of-sight-operation)
- [CE marking](https://avioverse.aero/glossary/easa/ce-marking)
- [certified category](https://avioverse.aero/glossary/easa/certified-category)