19. Commission Implementing Regulation (EU) 2018/1976 of 14 December 2018 laying down detailed rules for the operation of sailplanes as well as for the flight crew licensing for sailplanes pursuant to Regulation (EU) 2018/1139 of the European Parliament and of the Council - European Air Law View the chapter 19. Commission Implementing Regulation (EU) 2018/1976 of 14 December 2018 laying down detailed rules for the operation of sailplanes as well as for the flight crew licensing for sailplanes pursuant to Regulation (EU) 2018/1139 of the European Parliament and of the Council by - European Air Law 19. Commission Implementing Regulation (EU) 2018/1976 of 14 December 2018 laying down detailed rules for the operation of sailplanes as well as for the flight crew licensing for sailplanes pursuant to Regulation (EU) 2018/1139 of the European Parliament and of the Council