14 Oct 2009 Agency Decision Category Rulemaking activities DownloadsRead More on certification specifications, including airworthiness codes and acceptable means of compliance, for European technical standard orders (CS-ETSO). Downloads [pdf] ED Decision 2009/014/R [pdf] Annex I - Preamble [pdf] Annex II - ETSO [pdf] CS-ETSO/Amendment 4 - Explanatory note [pdf] CS-ETSO/Amendment 4 - Change Information Read More Amending decision(s) ED Decision 2003/010/RM Related Certification Specification(s) CS-ETSO Amendment 4