IRImplementing rule
21L.A.86Requirements for approval of a supplemental type certificate
(a)In order to be issued with a supplemental type certificate, the applicant shall:
1.demonstrate their design capability in accordance with point 21L.A.83;
2.demonstrate that the change to a type certificate and the areas affected by the change comply with the type-certification basis and the applicable environmental protection requirements, as established by the Agency in accordance with point 21L.B.101;
3.demonstrate compliance in accordance with point 21L.A.85;
4.if the applicant has specified that they provided certification data on the basis ofan arrangement with the owner of the type-certification data in accordance with point 21L.A.84(b), demonstrate that the type-certificate holder:
(i)has no technical objection to the information submitted under point 21L.A.65; and
(ii)has agreed to collaborate with the applicant to ensure the discharge of all the obligations for continued airworthiness of the changed product through compliance with points 21L.A.28 and 21L.A.88;
5.demonstrate that there are no unresolved issues from the physical inspection of the first article of that product in the final changed configuration carried out by the Agency in accordance with point 21L.A.85(e)(3).
(b)A supplemental type certificate shall be limited to the specific configuration(s) in the type certificate to which the related major change relates.
IR · 21L.A.86 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025