---
title: "21L.A.102 Standard changes — Annex Ib, Initial Airworthiness · Avioverse"
description: "Standard changes are changes to the design of an aircraft which was subject to a declaration made in accordance with Subpart C of this Annex and which:"
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-a-technical-requirements/21l-a-102"
---

# 21L.A.102 Standard changes

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

IR Implementing rule

## 21L.A.102 Standard changes

(a) Standard changes are changes to the design of an aircraft which was subject to a declaration made in accordance with Subpart C of this Annex and which:

1\. follow the design data included in the certification specifications issued by the Agency, containing the acceptable methods, techniques and practices for carrying out and identifying standard changes, including the associated instructions for continued airworthiness; and

2\. are not in conflict with the design data covered by the declaration of aircraft design compliance made in accordance with Subpart C of this Annex.

(b) Points 21L.A.103 to 21L.A.108 are not applicable to standard changes.

IR · 21L.A.102 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

GM Guidance material

## GM1 21L.A.102 Standard changes

APPLICABLE CERTIFICATION SPECIFICATIONS

CS-STAN contains the certification specifications referred to in point 21L.A.102(a)(1). Guidance on the implementation of Standard Changes and Standard Repairs may be found in AMC M.A.801 of the AMC to Part-M.

GM · GM1 21L.A.102 — Regulation (EU) No 748/2012 · ED Decision 2023/013/R · 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-ib/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.