---
title: "Control and monitoring unit (CMU) — EASA Definition · Avioverse"
description: "Article 1, Regulation (EU) No 748/2012: “control and monitoring unit (CMU)” means the equipment to control and monitor unmanned aircraft remotely, as…"
url: "https://avioverse.aero/glossary/easa/control-and-monitoring-unit"
---

# control and monitoring unit (CMU)

EASA defines “control and monitoring unit (CMU)” in 2 regulations, worded for each regulation's scope. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

> “control and monitoring unit (CMU)” means the equipment to control and monitor unmanned aircraft remotely, as defined in Article 3(32) of Regulation (EU) 2018/1139;

Article 1 · Initial Airworthiness and Environmental Protection · Regulation (EU) No 748/2012 · Easy Access Rules, 27 Nov 2025 revision · [Read Article 1](https://avioverse.aero/regulations/easa/initial-airworthiness/cover-regulation/general#article-1)

> ‘control and monitoring unit (CMU)’ means the equipment to control and monitor unmanned aircraft remotely as defined in point (32) of Article 3 of Regulation (EU) 2018/1139;

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)

> ‘control and monitoring unit’ (‘CMU’) means the equipment to control and monitor unmanned aircraft remotely, as defined in Article 3 point (32) of Regulation (EU) 2018/1139;

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)
- [article](https://avioverse.aero/glossary/easa/article)
- [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)
- [C2 link](https://avioverse.aero/glossary/easa/c2-link)