11 Dec 2009 Certification Specification (CS) Official Publication Amendment 2 Certification Specifications group CS-E Engines Related ContentRead More Related Content [pdf] Easy Access Rules for Engines (CS-E) (Amendment 2) Read More CS file [pdf] CS-E Amendment 2 The file was replaced on 26/11/2020. The corrections are highlighted with yellow Related ED Decision ED Decision 2009/018/R Explanatory Note [pdf] CS-E/Amendment 2 - Explanatory Note Change Information [pdf] CS-E/Amendment 2 - Change Information