21.A.432C Application for a repair design approval

• Regulation (EU) 2021/699 found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)
• Regulation (EU) 2025/1065 found in: Initial Airworthiness and Environmental Protection (748/2012) (Nov 2025)

21.A.432C Application for a repair design approval Regulation (EU) 2021/699 (a)     An application for a repair design approval shall be made in a form and manner established by the Agency. (b)     An application for a major repair design approval shall include, or be supplemented after the initial application by, a certification programme containing: 1.       a description of the damage and repair design identifying the configuration of the type design upon which the repair is made; 2.       an identification of all areas of the type design and the approved manuals that are changed or affected by the repair design; 3.       an identification of any reinvestigations necessary to demonstrate compliance of the repair design and areas affected by the repair design with the type-certification basis incorporated by reference in, as applicable, either the type-certificate, the supplemental type-certificate or the APU ETSO authorisation; 4.       any proposed amendments to the type-certification basis incorporated by reference in, as applicable, either the type-certificate, the supplemental type-certificate or the APU ETSO authorisation; 5.       a proposal for a breakdown of the certification programme into meaningful groups of compliance demonstration activities and data, including the means and process proposed to be followed to demonstrate compliance with point [21.A.433](#_DxCrossRefBm1649096849)(a)(1) and references to related compliance documents; 6.       a proposal for the assessment of the meaningful groups of compliance demonstration activities and data, addressing the likelihood of an unidentified non-compliance with the type-certification basis and the potential impact of that non-compliance on product safety. The proposed assessment shall take into account at least the elements set out in subpoints (1)‑(4) of point [21.B.100](#_DxCrossRefBm1649096973)(a). Based on this assessment, the application shall include a proposal for the Agency's involvement in the verification of the compliance demonstration activities and data; and 7.       the specification whether the certification data is prepared completely by the applicant or on the basis of an arrangement with the owner of the type-certification data. #### 21.A.432C Application for a repair design approval *Regulation (EU) 2025/1065* (a) An application for a repair design approval shall be made in a form and manner established by the Agency. (b) An application for a major repair design approval shall include, or be supplemented after the initial application by, a certification programme containing: 1. a description of the damage and repair design identifying the configuration of the type design upon which the repair is made; 2. the identification of all areas of the type design and the approved manuals that are changed or affected by the repair design; 3. the identification of any reinvestigations necessary to demonstrate compliance of the repair design and areas affected by the repair design with the type‑certification basis and the applicable environmental protection requirements incorporated by reference in, as applicable, either the type certificate, the supplemental type certificate or the APU ETSO authorisation; 4. any proposed amendments to the type-certification basis incorporated by reference in, as applicable, either the type-certificate, the supplemental type-certificate or the APU ETSO authorisation; 5. a proposal for a breakdown of the certification programme into meaningful groups of compliance demonstration activities and data, including the means and process proposed to be followed to demonstrate compliance with point [21.A.433](#_DxCrossRefBm485230339)(a)(1) and references to related compliance documents; 6. a proposal for the assessment of the meaningful groups of compliance demonstration activities and data, addressing the likelihood of an unidentified non‑compliance with the type‑certification basis or the applicable environmental protection requirements and the potential impact of that non-compliance on the product, UAS or CMU safety or environmental compatibility. The proposed assessment shall take into account at least the elements set out in point [21.B.100](#_DxCrossRefBm485230464)(a), points 1 to 4. Based on that assessment, the application shall include a proposal for the Agency’s involvement in the verification of the compliance demonstration activities and data; and 7. the specification whether the certification data is prepared completely by the applicant or on the basis of an arrangement with the owner of the type-certification data.