---
title: "Validation — EASA Definition · Avioverse"
description: "Article 4, Regulation (EU) 2015/340: ‘validation’ means a process by which, through the successful completion of a unit endorsement course associated to…"
url: "https://avioverse.aero/glossary/easa/validation"
---

# validation

EASA defines “validation” 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.

> ‘validation’ means a process by which, through the successful completion of a unit endorsement course associated to a rating or a rating endorsement, the holder may start exercising the privileges of that rating or rating endorsement.
>
> \[applicable until 3 August 2024 - Regulation (EU) 2015/340]

Article 4 · Air Traffic Controllers' Licensing and Certification · Regulation (EU) 2015/340 · Easy Access Rules, 14 Jun 2024 revision · [Read Article 4](https://avioverse.aero/regulations/easa/atco/cover-regulation/commission-regulation-eu-2015-340#article-4)

> ‘validation’ means a process by which, through the successful completion of a unit endorsement course associated with a rating or a rating endorsement, the holder may start exercising the privileges of that rating or rating endorsement.
>
> \[applicable from 4 August 2024 - Implementing Regulation (EU) 2023/893]

Article 4 · Air Traffic Controllers' Licensing and Certification · Regulation (EU) 2015/340 · Easy Access Rules, 14 Jun 2024 revision · [Read Article 4](https://avioverse.aero/regulations/easa/atco/cover-regulation/commission-regulation-eu-2015-340#article-4)

## Defined in the same article

- [abnormal situation](https://avioverse.aero/glossary/easa/abnormal-situation)
- [acceptable means of compliance (AMC)](https://avioverse.aero/glossary/easa/acceptable-means-of-compliance)
- [air traffic control service](https://avioverse.aero/glossary/easa/air-traffic-control-service)
- [air traffic control unit](https://avioverse.aero/glossary/easa/air-traffic-control-unit)
- [alternative means of compliance](https://avioverse.aero/glossary/easa/alternative-means-of-compliance)
- [assessment](https://avioverse.aero/glossary/easa/assessment)
- [assessor endorsement](https://avioverse.aero/glossary/easa/assessor-endorsement)
- [Credit](https://avioverse.aero/glossary/easa/credit)