17.4. Commission Delegated Regulation (EU) 2020/2148 of 8 October 2020 amending Regulation (EU) No. 139/2014 as regards runway safety and aeronautical data, as corrected by - European Air Law View the chapter 17.4. Commission Delegated Regulation (EU) 2020/2148 of 8 October 2020 amending Regulation (EU) No. 139/2014 as regards runway safety and aeronautical data, as corrected by by - European Air Law 17.4. Commission Delegated Regulation (EU) 2020/2148 of 8 October 2020 amending Regulation (EU) No. 139/2014 as regards runway safety and aeronautical data, as corrected by