19.1. Commission Implementing Regulation (EU) 2020/358 of 4 March 2020 amending Implementing Regulation (EU) 2018/1976 as regards sailplane pilot licences - European Air Law View the chapter 19.1. Commission Implementing Regulation (EU) 2020/358 of 4 March 2020 amending Implementing Regulation (EU) 2018/1976 as regards sailplane pilot licences by - European Air Law 19.1. Commission Implementing Regulation (EU) 2020/358 of 4 March 2020 amending Implementing Regulation (EU) 2018/1976 as regards sailplane pilot licences