---
title: "Annex Ib — Initial Airworthiness and Environmental Protection · Avioverse"
description: "Annex Ib of Initial Airworthiness and Environmental Protection (Regulation (EU) No 748/2012): 5 subparts of implementing rules, AMC and GM, each…"
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib"
---

EASA Easy Access Rules

# Annex Ib

Initial Airworthiness and Environmental Protection Regulation (EU) No 748/2012 5 subparts EAR revision 27 Nov 2025

Scope extract · [21L.1](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/general/21l-1)

> (a) Section A of this Annex (Part 21 Light) establishes the provisions governing the rights and obligations of the following persons having their principal place of business located in a Member State: 1. the applicant for, and holder of, any certificate issued or to be issued in accordance with this Annex; 2. natural and legal persons declaring, in accordance with this Annex, design compliance, design capabilities or production capabilities, or intending to make such declarations;

IR · 21L.1 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1361 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

- [General provisions 21L.1 – 21L.2](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/general)
- [21L.2 Competent authority 2 paragraphs](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/21l-2-competent-authority)
- [SECTION A - TECHNICAL REQUIREMENTS 21L.A.1 – 21L.A.275](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-a-technical-requirements)
- [SECTION B - PROCEDURES FOR COMPETENT AUTHORITIES 21L.B.11 – 21L.B.253](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-b-procedures-for-competent-authorities)
- [Appendices to ANNEX Ib (Part 21 Light) 5 paragraphs](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/appendices-to-annex-ib-part-21-light)
