---
title: "M.A.904 Airworthiness review staff — Part-M · Avioverse"
description: "Airworthiness review staff acting on behalf of the competent authority shall be qualified in accordance with point M.B.901(c)."
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-m/section-a-technical-requirements/m-a-904"
---

# M.A.904 Airworthiness review staff

Annex I (Part-M) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IR Implementing rule

## M.A.904 Airworthiness review staff

(a) Airworthiness review staff acting on behalf of the competent authority shall be qualified in accordance with point M.B.901(c).

(b) Airworthiness review staff acting on behalf of an [organisation](https://avioverse.aero/glossary/easa/organisation) referred to in Annex Vc (Part-CAMO) or Annex Vd (Part CAO) shall be qualified in accordance with Annex Vc (Part-CAMO) or Annex Vd (Part-CAO) respectively.

IR · M.A.904 — Regulation (EU) No 1321/2014 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

[All rules in SECTION A — TECHNICAL REQUIREMENTS](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-m/section-a-technical-requirements)

Consolidated from the EASA Easy Access Rules (revision 2 Sep 2025, 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.