10 Dec 2013 Official Publication Amendment 11 Certification Specifications group AMC-20 General Acceptable Means of Compliance for Airworthiness of Products, Parts and Appliances Read MoreRelated Content Read More CS file [pdf] AMC-20 / Amendment 11 Related ED Decision ED Decision 2013/030/R Explanatory Note [pdf] Explanatory note to ED Decision 2013/030/R Related Content [pdf] Easy Access Rules for Acceptable Means of Compliance for Airworthiness of Products, Parts and Appliances (AMC-20) (Amendment 11)