IRImplementing rule
21.B.111Issuance of a supplemental type-certificate
(a)The Agency shall issue a supplemental type-certificate, provided that all of the following conditions are fulfilled:
1.the applicant complies with point 21.A.115(b);
2.the Agency, through verification of the demonstration of compliance in accordance with the level of involvement established on the basis of point 21.B.100(a), has not found any non-compliance with the applicable type-certification basis, operational suitability data certification basis, where applicable, in accordance with point 21.B.82, and the applicable environmental protection requirements;
3.no feature or characteristic has been identified that may render the product, the UAS or the CMU unsafe for the use for which certification is requested.
(b)In the case of a supplemental type-certificate that affects the operational suitability data, by way of derogation from points 1 and 2 of point (a), at the applicant’s request included in the declaration referred to in point 21.A.20(d), the Agency may issue a supplemental type-certificate before compliance with the applicable operational suitability data certification basis has been demonstrated, provided that the applicant demonstrates such compliance before the date on which this data is to be actually used.
(c)The approval of the changes to the operational suitability data shall be included in the supplemental type-certificate.
(d)The supplemental type-certificate shall be limited to the specific configuration(s) in the type-certificate to which the related major change relates.
IR · 21.B.111 — Regulation (EU) No 748/2012 · Regulation (EU) 2024/1108 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025