17.2. Commission Regulation (EU) 2018/401 of 14 March 2018 amending Regulation (EU) No. 139/2014 as regards the classification of runways - European Air Law (Update) View the chapter 17.2. Commission Regulation (EU) 2018/401 of 14 March 2018 amending Regulation (EU) No. 139/2014 as regards the classification of runways by - European Air Law (Update) 17.2. Commission Regulation (EU) 2018/401 of 14 March 2018 amending Regulation (EU) No. 139/2014 as regards the classification of runways