---
title: "LIST OF ACRONYMS — Guidance Material — Regulation (EU) No 376/2014 and its implementing rules, Occurrence Reporting · Avioverse"
description: "ATM/ANS Air Traffic Management / Air Navigation Services EASA European Aviation Safety Agency ECR European Central Repository FDM Flight Data Monitoring…"
url: "https://avioverse.aero/regulations/easa/occurrence-reporting/guidance-material-regulation-eu-no-376-2014-and/section-5/list-of-acronyms"
---

# LIST OF ACRONYMS

Guidance Material — Regulation (EU) No 376/2014 and its implementing rules · Regulation (EU) No 376/2014 · EAR revision 27 Sep 2023

IR Implementing rule

## LIST OF ACRONYMS

| [ATM](https://avioverse.aero/glossary/easa/atm)/ANS | Air Traffic Management / Air Navigation Services                                                      |
| --------------------------------------------------- | ----------------------------------------------------------------------------------------------------- |
| EASA                                                | European Aviation Safety Agency                                                                       |
| ECR                                                 | European Central Repository                                                                           |
| FDM                                                 | Flight Data Monitoring                                                                                |
| ICAO                                                | International Civil Aviation Organization                                                             |
| IORS                                                | Internal [Occurrence](https://avioverse.aero/glossary/easa/occurrence) Reporting System               |
| LOSA                                                | Line Operation Safety Audit                                                                           |
| MORS                                                | Mandatory Occurrence Reporting System                                                                 |
| MS                                                  | Member State                                                                                          |
| NAA                                                 | National Aviation Authority                                                                           |
| NoA                                                 | Network of aviation safety Analysts                                                                   |
| RIT                                                 | Reduced Interface Taxonomy                                                                            |
| SIA                                                 | [Safety Investigation Authority](https://avioverse.aero/glossary/easa/safety-investigation-authority) |
| SMS                                                 | [Safety Management System](https://avioverse.aero/glossary/easa/safety-management-system)             |
| SSP                                                 | [State Safety Programme](https://avioverse.aero/glossary/easa/state-safety-programme)                 |
| VORS                                                | Voluntary Occurrence Reporting System                                                                 |

IR — Regulation (EU) No 376/2014 · GM to Reg. (EU) No 376/2014 and its IRs · Occurrence Reporting Easy Access Rules · EAR revision 27 Sep 2023

[All rules in SECTION 5 — PRIVATE PILOTS](https://avioverse.aero/regulations/easa/occurrence-reporting/guidance-material-regulation-eu-no-376-2014-and/section-5)

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.