---
title: "T.A.501 Maintenance Organisation — Part-T · Avioverse"
description: "The continuing airworthiness management organisation shall ensure that the aircraft and its components are maintained by organisations complying with the…"
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-t/section-a-technical-requirements/t-a-501"
---

# T.A.501 Maintenance Organisation

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

IR Implementing rule

## T.A.501 Maintenance Organisation

The [continuing airworthiness](https://avioverse.aero/glossary/easa/continuing-airworthiness) management [organisation](https://avioverse.aero/glossary/easa/organisation) shall ensure that the [aircraft](https://avioverse.aero/glossary/easa/aircraft) and its components are maintained by organisations complying with the following requirements:

(1) The organisation holds a [maintenance](https://avioverse.aero/glossary/easa/maintenance) organisation approval issued or acceptable to the State of Registry.

(2) The scope of approval of the organisation includes the appropriate aircraft and/or [component](https://avioverse.aero/glossary/easa/component) capability.

(3) The organisation has established an occurrence reporting system which ensures that any identified condition of an aircraft or component which endangers the flight safety is reported to the operator, the competent authority of the operator, the organisation responsible for the type design or supplemental type design and the continuing airworthiness management organisation.

(4) The organisation has established an organisation's manual providing a description of all the procedures of the organisation.

IR · T.A.501 — Regulation (EU) No 1321/2014 · Regulation (EU) 2018/1142 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

GM Guidance material

## GM1 T.A.501

The CAMO should establish a process to verify that the [maintenance](https://avioverse.aero/glossary/easa/maintenance) [organisation](https://avioverse.aero/glossary/easa/organisation) complies with the applicable requirements of Part-T Subpart E, one of the inputs to this process may be whether the maintenance organisation holds an approval by the State of Registry issued in accordance with the requirements of ICAO Annex 6 Part I Section 8.7.

GM · GM1 T.A.501 — Regulation (EU) No 1321/2014 · ED Decision 2020/002/R · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

AMC Acceptable means of compliance

## AMC1 T.A.501(3)

The occurrence-reporting system should describe the procedures followed by the [organisation](https://avioverse.aero/glossary/easa/organisation) whereby information on faults, malfunctions, defects and other occurrences that cause or might cause adverse effects on the [continuing airworthiness](https://avioverse.aero/glossary/easa/continuing-airworthiness) of the [aircraft](https://avioverse.aero/glossary/easa/aircraft) are transmitted to the operator, to the organisation responsible for the type design of that aircraft, and to the State of Registry.

AMC · AMC1 T.A.501(3) — Regulation (EU) No 1321/2014 · ED Decision 2019/009/R · 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-t/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.