15 Sep 2025 Certification Specification (CS) Official Publication Certification Specifications group CS-ETSO European Technical Standard Orders Regulation group Initial Airworthiness and Environmental Protection Read More Read More CS file [pdf] CS-ETSO Amendment 18 Related ED Decision ED Decision 2025/017/R Explanatory Note [pdf] Explanatory Note to ED Decision 2025/017/R Change Information [pdf] Change Information — CS-ETSO Amendment 18
