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21.A.117 Changes to that part of a product covered by a supplemental type-certificate
Available versions for ERULES-1963177438-3742
Regulation (EU) No 748/2012
found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)
Regulation (EU) 2024/1108
found in: Initial Airworthiness and Environmental Protection (748/2012) (Nov 2025)
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21.A.117 Changes to that part of a product covered by a supplemental type-certificate Regulation (EU) No 748/2012 (a) Minor changes to that part of a product covered by a supplemental type-certificate shall be classified and approved in accordance with Subpart D. (b) Each major change to that part of a product covered by a supplemental type-certificate shall be approved as a separate supplemental type-certificate in accordance with this Subpart. (c) By way of derogation from point (b), a major change to that part of a product covered by a supplemental type-certificate submitted by the supplemental type-certificate holder itself may be approved as a change to the existing supplemental type-certificate.
#### 21.A.117 Changes to that part of a product covered by a supplemental type-certificate *Regulation (EU) 2024/1108* (a) Minor changes to that part of a product, an UAS or a CMU that is covered by a supplemental type-certificate shall be classified and approved in accordance with Subpart D. (b) Each major change to that part of a product, an UAS or a CMU that is covered by a supplemental type- certificate shall be approved as a separate supplemental type-certificate in accordance with this Subpart. (c) By way of derogation from point (b), a major change to that part of a product, an UAS or a CMU that is covered by a supplemental type-certificate submitted by the supplemental type-certificate holder itself may be approved as a change to the existing supplemental type-certificate.