05 Nov 2003 Agency Decision Category Rulemaking activities DownloadsRead More on general acceptable means of compliance for airworthiness of products, parts and appliances (AMC-20). Downloads [pdf] AMC-20/Initial Issue [pdf] AMC-20/Initial Issue - Explanatory Note Read More Amended by decisions(s) ED Decision 2012/014/R ED Decision 2011/001/R ED Decision 2009/019/R ED Decision 2007/019/R ED Decision 2008/007/R ED Decision 2008/004/R ED Decision 2010/012/R ED Decision 2006/012/R ED Decision 2010/003/R ED Decision 2013/026/R ED Decision 2014/001/R ED Decision 2015/017/R ED Decision 2020/006/R ED Decision 2020/023/R ED Decision 2021/006/R ED Decision 2021/007/R Related Certification Specification(s) AMC-20 / Initial issue