23 Apr 2021 Certification Specification (CS) Official Publication Issue 01 Certification Specifications group AMC-20 General Acceptable Means of Compliance for Airworthiness of Products, Parts and Appliances Regulation group Initial Airworthiness Read More Read More CS file [pdf] AMC-20 Amendment 21 The file was replaced on 12/05/2021. The corrections are highlighted in yellow Related ED Decision ED Decision 2021/006/R Explanatory Note [pdf] Explanatory Note to ED Decision 2021-006-R Change Information [pdf] Change Information — AMC-20, Amendment 21
