---
title: "21.A.6 Manuals — Annex I, Initial Airworthiness · Avioverse"
description: "The holder of a type-certificate, restricted type-certificate, or supplemental type-certificate shall:"
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-a-technical-requirements/21-a-6"
---

# 21.A.6 Manuals

Annex I · Regulation (EU) No 748/2012 · EAR revision 27 Nov 2025

IR Implementing rule

## 21.A.6 Manuals

The holder of a type-certificate, restricted type-certificate, or supplemental type-certificate shall:

(a) produce, maintain and update master copies of all manuals or variations in the manuals required by the applicable type-certification basis, the applicable operational suitability data certification basis and the applicable environmental protection requirements for the product, UAS, CMU or [article](https://avioverse.aero/glossary/easa/article), and provide copies, on request, to the Agency;

(b) for unmanned aircraft, determine whether the installation of a CMU in a physical environment is necessary, and provide the operator with all the necessary instructions for the installation of the CMU and for its installation to be released in accordance with Annex I (Part-ML.UAS) to Commission Delegated Regulation (EU) 2024/1107

IR · 21.A.6 — Regulation (EU) No 748/2012 · Regulation (EU) 2024/1108 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

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

Consolidated from the EASA Easy Access Rules (revision 27 Nov 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.