---
title: "Article 2 Definitions — Commission Implementing Regulation (EU) 2021/2082, Occurrence Reporting · Avioverse"
description: "For the purposes of this Regulation, the definitions in Article 2 of Delegated Regulation (EU) 2020/2034 apply."
url: "https://avioverse.aero/regulations/easa/occurrence-reporting/commission-implementing-regulation-eu-2021-2082/cover-regulation/article-2"
---

# Article 2 Definitions

Commission Implementing Regulation (EU) 2021/2082 · Regulation (EU) No 376/2014 · EAR revision 27 Sep 2023

IR Implementing rule

## Article 2 Definitions

For the purposes of this Regulation, the definitions in Article 2 of Delegated Regulation (EU) 2020/2034 apply.

The following definitions also apply:

(1) ‘[ARMS-ERC methodology](https://avioverse.aero/glossary/easa/arms-erc-methodology)’ means the methodology developed by the industry working group ‘Airline Risk Management Solutions’ (ARMS) for assessing operational risks;

(2) ‘[ATM](https://avioverse.aero/glossary/easa/atm)’ means air traffic management as defined in Article 2(10) of Regulation (EC) No 549/2004 of the European Parliament and of the Council ();

(3) ‘[ATM airborne severity score](https://avioverse.aero/glossary/easa/atm-airborne-severity-score)’ means the part of the [RAT methodology](https://avioverse.aero/glossary/easa/rat-methodology) that assesses the air operation performance of the [occurrence](https://avioverse.aero/glossary/easa/occurrence);

(4) ‘[ATM ground severity score](https://avioverse.aero/glossary/easa/atm-ground-severity-score)’ means the part of the RAT methodology that assesses the system performance (procedures, equipment and human) of the ATM system;

(5) ‘[ATM overall severity score](https://avioverse.aero/glossary/easa/atm-overall-severity-score)’ means the ATM ground severity score and ATM airborne severity score combined into one single score;

(6) ‘RAT methodology’ means the Risk Analysis Tool methodology developed by [Eurocontrol](https://avioverse.aero/glossary/easa/eurocontrol) used to classify safety related occurrences in the ATM domain;

(7) ‘Eurocontrol’ is the European [Organisation](https://avioverse.aero/glossary/easa/organisation) for the Safety of Air Navigation set up by the International Convention of 13 December 1960 relating to Cooperation for the Safety of Air Navigation ().

IR · Article 2 — Regulation (EU) No 376/2014 · Regulation (EU) 2021/2082 · Occurrence Reporting Easy Access Rules · EAR revision 27 Sep 2023

[All rules in Cover Regulation](https://avioverse.aero/regulations/easa/occurrence-reporting/commission-implementing-regulation-eu-2021-2082/cover-regulation)

Consolidated from the EASA Easy Access Rules (revision 27 Sep 2023, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.