19 Dec 2023 Popular Certification Specification (CS) Official Publication Amendment 28 Certification Specifications group CS-25 Large Aeroplanes Regulation group Initial Airworthiness Read More Read More CS file [pdf] CS-25 Amendment 28 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
