11 Dec 2017 Agency Decision Category Rulemaking activities DownloadsRead More Issuing Certification Specifications and Guidance Material for Aerodrome Design (CS ADR-DSN) ‘CS ADR-DSN — Issue 4’. Downloads [pdf] ED Decision 2017/021/R [pdf] Explanatory Note to ED Decision 2017/021/R [pdf] Annex to ED Decision 2017/021/R (CS-ADR-DSN Issue 4) Replaced on 13/12/2017 without change to its content Read More Related NPA(s) NPA 2017-04 Related Certification Specification(s) CS-ADR-DSN Issue 4