21.B.105 Type-certification basis, environmental protection requirements and operational suitability data certification basis for a major change to a type certificate

• Regulation (EU) 2019/897 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.B.105 Type-certification basis, environmental protection requirements and operational suitability data certification basis for a major change to a type-certificate Regulation (EU) 2019/897 The Agency shall establish the applicable type-certification basis, the environmental protection requirements, and in the case of a change affecting the operational suitability data, the operational suitability data certification basis established in accordance with point [21.A.101](#_DxCrossRefBm1649096998) and notify them to the applicant for a major change to a type certificate. #### 21.B.105 Type-certification basis, environmental protection requirements and operational suitability data certification basis for a major change to a type certificate *Regulation (EU) 2025/1065* The Agency shall establish the applicable type-certification basis, the applicable environmental protection requirements and, in the case of a change affecting the operational suitability data, the operational suitability data certification basis established in accordance with point [21.A.101](#_DxCrossRefBm485230489) and notify them to the applicant for a major change to a type certificate.