IRImplementing rule
21L.B.84Issuance of an approval of a major change to a type certificate
(a)The Agency shall approve the major change when:
1.the applicant has demonstrated that the change and the areas affected by the change comply with the type-certification basis and the applicable environmental protection requirements, as established and designated by the Agency in accordance with point 21L.B.81;
2.the applicant has demonstrated and declared compliance in accordance with point (f) of point 21L.A.66;
3.the Agency through its verification of the demonstration of compliance has not found:
(i)any non-compliances with the type-certification basis or, where applicable, with the applicable environmental protection requirements;
(ii)any feature or characteristic of the change that may make the changed product unsafe or environmentally incompatible for the uses for which certification is requested.
(b)An approval of a major change to a type certificate shall be limited to the specific configuration(s) in the type certificate to which the change relates.
IR · 21L.B.84 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025