GM1 21L.A.44(a) Compliance activities for a declaration of design compliance

• ED Decision 2023/013/R found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)

GM1 21L.A.44(a) Compliance activities for a declaration of design compliance ED Decision 2023/013/R UPDATES TO THE COMPLIANCE-DEMONSTRATION PLAN The initial compliance-demonstration plan may not be fully complete, e.g. due to schedule constraints of the design, analysis and testing activities. Furthermore, even if the initial compliance-demonstration plan is complete, it may be necessary to amend it throughout the duration of the compliance-demonstration activities. In particular, updates to the following elements should be conducted by the declarant: — any complementary information that was not included in the initial compliance-demonstration plan; — any change to the intended use or kind of operation of the product; — a change to the key characteristics of the product such as but not limited to any declared limits that are intended to be recorded in the airworthiness data sheet and noise data sheet; — any change to the initial detailed technical specifications or environmental protection requirements, as applicable to the product; — any change to the proposed means of compliance, including the related methodology; — any changes to the schedule that impacts on the first-article inspection. The declarant should submit an updated and final version of the compliance-demonstration plan when submitting the declaration of design compliance to EASA (point [21L.A.43](#_DxCrossRefBm1649097270)(c)(3)). If a declarant has chosen to involve EASA prior to the declaration ([GM1 21L.A.44](#_DxCrossRefBm1649097847)) and has already submitted a preliminary version of the compliance-demonstration plan to EASA, they should resubmit the updated and final version of it. ##### GM1 21L.A.44(a) Compliance activities for a declaration of design compliance *ED Decision 2023/013/R* **UPDATES TO THE COMPLIANCE-DEMONSTRATION PLAN** The initial compliance-demonstration plan may not be fully complete, e.g. due to schedule constraints of the design, analysis and testing activities. Furthermore, even if the initial compliance-demonstration plan is complete, it may be necessary to amend it throughout the duration of the compliance-demonstration activities. In particular, updates to the following elements should be conducted by the declarant: — any complementary information that was not included in the initial compliance-demonstration plan; — any change to the intended use or kind of operation of the product; — a change to the key characteristics of the product such as but not limited to any declared limits that are intended to be recorded in the airworthiness data sheet and noise data sheet; — any change to the initial detailed technical specifications or environmental protection requirements, as applicable to the product; — any change to the proposed means of compliance, including the related methodology; — any changes to the schedule that impacts on the first-article inspection. The declarant should submit an updated and final version of the compliance-demonstration plan when submitting the declaration of design compliance to EASA (point [21L.A.43](#_DxCrossRefBm485230761)(c)(3)). If a declarant has chosen to involve EASA prior to the declaration ([GM1 21L.A.44](#_DxCrossRefBm485231343)) and has already submitted a preliminary version of the compliance-demonstration plan to EASA, they should resubmit the updated and final version of it.