---
title: "SUBPART D — CONVERSION OF CERTIFYING STAFF QUALIFICATIONS — Part-66 · Avioverse"
description: "This Subpart provides the procedures for the conversion of certifying staff qualifications referred to in point 66.A.70 to aircraft maintenance licences."
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/subpart-d-conversion-of-certifying-staff-qualifications"
---

# SUBPART D — CONVERSION OF CERTIFYING STAFF QUALIFICATIONS

Annex III (Part-66) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IR Implementing rule

## SUBPART D — CONVERSION OF CERTIFYING STAFF QUALIFICATIONS

This Subpart provides the procedures for the conversion of [certifying staff](https://avioverse.aero/glossary/easa/certifying-staff) qualifications referred to in point 66.A.70 to [aircraft](https://avioverse.aero/glossary/easa/aircraft) [maintenance](https://avioverse.aero/glossary/easa/maintenance) licences.

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

[All rules in SECTION B — PROCEDURES FOR COMPETENT AUTHORITIES](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities)

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.