21L.A.63 Classification of changes to a type certificate

• Regulation (EU) 2022/1358 found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)

21L.A.63 Classification of changes to a type certificate Regulation (EU) 2022/1358 (a)     Changes to a type certificate shall be classified as minor or major. (b)     A ‘minor change’ is a change that has no appreciable effect on the mass, balance, structural strength, reliability, certified noise or emissions levels, operational characteristics, or other characteristics affecting the airworthiness or the environmental compatibility of the product. (c)      All other changes are ‘major changes’, unless the change in design, power, thrust, or mass is so extensive that a substantially complete investigation of compliance with the applicable type‑certification basis or with the applicable environmental protection requirements or with the applicable detailed technical specifications is required, in which case the design shall be certified in accordance with [Subpart B](#_DxCrossRefBm1649097718) of this Annex. (d)     The requirements for the approval of minor changes are those established in point [21L.A.67](#_DxCrossRefBm1649097874). (e)     The requirements for the approval of major changes are those established in point [21L.A.68](#_DxCrossRefBm1649097873). #### 21L.A.63 Classification of changes to a type certificate *Regulation (EU) 2022/1358* (a) Changes to a type certificate shall be classified as minor or major. (b) A ‘minor change’ is a change that has no appreciable effect on the mass, balance, structural strength, reliability, certified noise or emissions levels, operational characteristics, or other characteristics affecting the airworthiness or the environmental compatibility of the product. (c) All other changes are ‘major changes’, unless the change in design, power, thrust, or mass is so extensive that a substantially complete investigation of compliance with the applicable type‑certification basis or with the applicable environmental protection requirements or with the applicable detailed technical specifications is required, in which case the design shall be certified in accordance with [Subpart B](#_DxCrossRefBm485231214) of this Annex. (d) The requirements for the approval of minor changes are those established in point [21L.A.67](#_DxCrossRefBm485231370). (e) The requirements for the approval of major changes are those established in point [21L.A.68](#_DxCrossRefBm485231369).