19 Dec 2023 Popular Certification Specification (CS) Official Publication Amendment 28 Certification Specifications group CS-25 Large Aeroplanes Regulation group Initial Airworthiness and Environmental Protection Read More Read More CS file [pdf] CS-25 Amendment 28 The file was replaced on 20/11/2025. The correction (page 1171) is highlighted with yellow. Related ED Decision ED Decision 2023/021/R Explanatory Note [pdf] Explanatory Note to ED Decision 2023/021/R Change Information [pdf] Change information — CS-25 Amendment 28
