IRImplementing rule
21.1Competent authority
For the purpose of this Annex, the ‘competent authority’ shall be:
(a)for Section A, Subpart A,
1.for design organisations, the Agency;
2.for production organisations that have their principal place of business in a territory for which a Member State is responsible under the Convention on International Civil Aviation, signed in Chicago on 7 December 1944 (‘the Chicago Convention’), the authority designated by that Member State or by another Member State in accordance with Article 64 of Regulation (EU) 2018/1139, or the Agency if the responsibility has been reallocated to the Agency in accordance with Article 64 or 65 of Regulation (EU) 2018/1139;
3.for production organisations that have their principal place of business outside a territory for which a Member State is responsible under the Chicago Convention, the Agency;
(b)for Section A, Subparts B, D, E, J, K, M, O and Q, the Agency;
(c)for Section A, Subparts F and G:
1.for natural or legal persons that have their principal place of business in a territory for which a Member State is responsible under the Chicago Convention, the authority designated by that Member State or by another Member State in accordance with Article 64 of Regulation (EU) 2018/1139, or the Agency if the responsibility has been reallocated to the Agency in accordance with Article 64 or, as regards Subpart G, Article 65 of Regulation (EU) 2018/1139;
2.for natural or legal persons that have their principal place of business outside a territory for which a Member State is responsible under the Chicago Convention, the Agency;
(d)for Section A, Subpart H and I, the authority designated by the Member State where the aircraft is registered or will be registered:
(e)for Section A, Subpart P:
1.for aircraft registered in a Member State, the authority designated by the Member State of registry;
2.for unregistered aircraft, the authority designated by the Member State which prescribed the identification marks;
3.for the approval of the flight conditions related to the safety of the design, the Agency.
IR · 21.1 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/203 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025