20 Dec 2007 Agency Decision Category Rulemaking activities DownloadsRead More on certification specifications, including airworthiness code and acceptable means of compliance, for large aeroplanes (CS-25). Downloads [pdf] ED Decision 2007/020/R [pdf] CS-25/Amendment 4 [pdf] CS-25/Amendment 4 - Explanatory Note [pdf] CS-25/Amendment 4 - Change Information Read More Amending decision(s) ED Decision 2003/002/RM Related Certification Specification(s) CS-25 Amendment 4