21L.A.25 Demonstration of compliance

• Regulation (EU) 2022/1358 found in: Initial Airworthiness and Environmental Protection (No 748/2012) Part-21 Part-21L (Jul 2024)

21L.A.25 Demonstration of compliance Regulation (EU) 2022/1358 (a)     The applicant for a type certificate shall, following the acceptance of the compliance demonstration plan by the Agency and in accordance with its contents, then: 1.       demonstrate compliance with the applicable type-certification basis as established and notified to the applicant by the Agency in accordance with point [21L.B.43](#_DxCrossRefBm1649097800); 2.       demonstrate compliance with the applicable environmental protection requirements as established and notified to the applicant by the Agency in accordance with point [21L.B.45](#_DxCrossRefBm1649097799); and 3.       provide the Agency with the means by which such compliance has been demonstrated. (b)     The applicant for a type certificate shall provide the Agency with a recorded justification of the means of compliance within compliance documents according to the compliance demonstration plan. (c)      When carrying out testing and inspections to demonstrate compliance in accordance with point (a), the applicant shall have verified and documented this verification prior to carrying out any test: 1.       for each test specimen, that: (i)      the materials and processes adequately conform to the specifications for the proposed type design; (ii)     the constituent parts of the products adequately conform to the drawings in the proposed type design; (iii)     the manufacturing processes, construction and assembly adequately conform to those specified in the proposed type design; and 2.       that the test and measuring equipment used for the test were adequate for the test and appropriately calibrated. (d)     The flight testing for the purpose of obtaining a type certificate shall be conducted in accordance with the methods for such flight testing specified by the Agency. The applicant for a type certificate shall make all the flight tests necessary to determine compliance with the applicable type-certification basis. The flight tests shall include a period of operation in a final configuration of a sufficient duration to ensure that there will be no safety issues when the aircraft first enters service. (e)     An applicant for a type certificate shall allow the Agency to: 1.       review any data and information related to the demonstration of compliance; 2.       witness or carry out any test or inspection conducted for the purpose of the demonstration of compliance; 3.       conduct a physical inspection of the first article of that product in the final configuration to verify the compliance of the design with the type-certification basis and the applicable environmental protection requirements and any other investigation determined in accordance with point [21L.B.46](#_DxCrossRefBm1649097807). (f)      Upon the completion of the compliance demonstration, the applicant shall declare to the Agency that: 1.       they have demonstrated compliance with the type-certification basis and the applicable environmental protection requirements as established and notified to the applicant by the Agency in accordance with points [21L.B.43](#_DxCrossRefBm1649097800) and [21L.B.45](#_DxCrossRefBm1649097799), according to the compliance demonstration plan; and 2.       no feature or characteristic has been identified that may make the product unsafe or environmentally incompatible for the uses for which certification is requested.