AMC1 21L.A.43(b)(11) Declaration of design compliance

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

AMC1 21L.A.43(b)(11) Declaration of design compliance ED Decision 2023/013/R DATA SHEET FOR NOISE The required noise data for the data sheet for noise (as required by point [21L.A.43](#_DxCrossRefBm1649097270)(b)(11)) should be provided by the declarant using the EASA’s Part 21 Light database of declared noise levels. The declarant should submit a request to EASA for an account to access EASA’s Part 21 Light database prior to submitting the declaration of design compliance. All applicable fields in EASA’s Part 21 Light database of declared noise levels should be completed by the declarant before EASA may check the provided noise data. After a reasonability and completeness check, EASA will publish the declared data in the database. This data will be utilised to support the registration of the declaration of design compliance under point [21L.B.63](#_DxCrossRefBm1649097839). The noise data that is provided in EASA’s Part 21 Light database of declared noise levels by the declarant is under the sole responsibility of the declarant of the declaration of design compliance. The individual records in the published version of EASA’s Part 21 Light database of declared noise levels are considered ‘data sheet for noise’. It is important that the declarant uses EASA’s Part 21 Light database of declared noise levels to ensure that the declared noise levels and supporting data are made available to the competent authority for the issuance of a restricted noise certificate under point [21L.B.172](#_DxCrossRefBm1649097838). Otherwise, the competent authority may not be able to issue such a certificate. ##### AMC1 21L.A.43(b)(11) Declaration of design compliance *ED Decision 2023/013/R* **DATA SHEET FOR NOISE** The required noise data for the data sheet for noise (as required by point [21L.A.43](#_DxCrossRefBm485230761)(b)(11)) should be provided by the declarant using the EASA’s Part 21 Light database of declared noise levels. The declarant should submit a request to EASA for an account to access EASA’s Part 21 Light database prior to submitting the declaration of design compliance. All applicable fields in EASA’s Part 21 Light database of declared noise levels should be completed by the declarant before EASA may check the provided noise data. After a reasonability and completeness check, EASA will publish the declared data in the database. This data will be utilised to support the registration of the declaration of design compliance under point [21L.B.63](#_DxCrossRefBm485231335). The noise data that is provided in EASA’s Part 21 Light database of declared noise levels by the declarant is under the sole responsibility of the declarant of the declaration of design compliance. The individual records in the published version of EASA’s Part 21 Light database of declared noise levels are considered ‘data sheet for noise’. It is important that the declarant uses EASA’s Part 21 Light database of declared noise levels to ensure that the declared noise levels and supporting data are made available to the competent authority for the issuance of a restricted noise certificate under point [21L.B.172](#_DxCrossRefBm485231334). Otherwise, the competent authority may not be able to issue such a certificate.