---
title: "GM to 147.A.105(c) Personnel requirements — Part-147 · Avioverse"
description: "The maintenance training organisation should have a nucleus of permanently employed staff to undertake the minimum amount of maintenance training…"
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-147/section-a-technical-requirements/gm-to-147-a-105-c-personnel-requirements"
---

# GM to 147.A.105(c) Personnel requirements

Annex IV (Part-147) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

GM Guidance material

## GM to 147.A.105(c) Personnel requirements

The [maintenance](https://avioverse.aero/glossary/easa/maintenance) training [organisation](https://avioverse.aero/glossary/easa/organisation) should have a nucleus of permanently employed staff to undertake the minimum amount of maintenance training proposed but may contract, on a part-time basis, instructors for subjects which are only taught on an occasional basis.

GM — Regulation (EU) No 1321/2014 · ED Decision 2015/029/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-147/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.