---
title: "21L.A.144 Obligations of the applicant for a certificate of airworthiness or a restricted certificate of airworthiness — Annex Ib, Initial Airworthiness · Avioverse"
description: "The applicant for a certificate of airworthiness or for a restricted certificate of airworthiness shall:"
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-a-technical-requirements/21l-a-144"
---

# 21L.A.144 Obligations of the applicant for a certificate of airworthiness or a restricted certificate of airworthiness

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

IR Implementing rule

## 21L.A.144 Obligations of the applicant for a certificate of airworthiness or a restricted certificate of airworthiness

The applicant for a certificate of airworthiness or for a restricted certificate of airworthiness shall:

(a) present the manuals, placards, listings, and instrument markings and other necessary information required by the applicable type-certification basis or by the applicable detailed technical specifications for declarations of design compliance in one or more of the official language(s) of the European Union acceptable to the competent authority of the Member State of registry;

(b) demonstrate that their aircraft is identified in accordance with Subpart Q of this Annex;

(c) arrange for inspections of the competent authority of the Member State of registry to assess whether the aircraft has any non-conformities that could affect the safety of the aircraft.

IR · 21L.A.144 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · 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.