15 Apr 2026 Certification Specification (CS) Official Publication Certification Specifications group CS-23 Normal, Utility, Aerobatic and Commuter Aeroplanes Regulation group Initial Airworthiness and Environmental Protection Read More Read More CS file [pdf] CS-23 Amendment 6 and AMC & GM to CS-23 Issue 5 Related ED Decision ED Decision 2026/003/R Explanatory Note [pdf] Explanatory Note to ED Decision 2026/003/R Change Information [pdf] Change Information — CS-23 Amendment 6 and AMC & GM to CS-23 Issue 5
