IRImplementing rule
21.B.453Issuance of a repair design approval
(a)The Agency shall issue an approval of a major repair design, provided that:
1.the applicant has demonstrated its capability in accordance with point 21.A.432B;
2.the applicant has complied with point 21.A.433;
3.the Agency, through its verification of the demonstration of compliance in accordance with the level of involvement established pursuant to point 21.B.100(a), has not found any non-compliance with the type-certification basis and the applicable environmental protection requirements; and
4.no feature or characteristic has been identified that may make the product, the UAS or the CMU unsafe for the use for which certification is requested.
(b)The Agency shall issue an approval of a minor repair design, provided that the applicant has complied with points 2 and 4 of point (a) and provided that the Agency, through its verification of the demonstration of compliance in accordance with the level of involvement pursuant to point 21.B.100(b), has not found any non-compliance with the type-certification basis and the applicable environmental protection requirements.
IR · 21.B.453 — Regulation (EU) No 748/2012 · Regulation (EU) 2025/1065 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025