20 Dec 2007 Official Publication Amendment 4 Certification Specifications group CS-25 Large Aeroplanes Read MoreRelated Content Read More CS file [pdf] CS-25 / Amendment 4 Related ED Decision ED Decision 2007/020/R Explanatory Note [pdf] CS-25/Amendment 4 - Explanatory Note Change Information [pdf] CS-25/Amendment 4 - Change Information Related Content [pdf] Easy Access Rules for Large Aeroplanes (CS 25) (Amendment 4)