IRImplementing rule
21.A.121Scope
(a)This Subpart establishes the procedure for demonstrating conformity with the applicable design data of a product, part, appliance, CMU and CMU component that are intended to be manufactured without a production organisation approval under Subpart G.
(b)This Subpart establishes the obligations of the manufacturer of a product, part, appliance CMU and CMU component manufactured under this Subpart.
IR · 21.A.121 — Regulation (EU) No 748/2012 · Regulation (EU) 2024/1108 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025