16.15. Commission Implementing Regulation (EU) 2021/2227 of 14 December 2021 amending Regulation (EU) No. 1178/2011 as regards the requirements for all-weather operations and for instrument and type rating training in helicopters - European Air Law (Update) View the chapter 16.15. Commission Implementing Regulation (EU) 2021/2227 of 14 December 2021 amending Regulation (EU) No. 1178/2011 as regards the requirements for all-weather operations and for instrument and type rating training in helicopters by - European Air Law (Update) 16.15. Commission Implementing Regulation (EU) 2021/2227 of 14 December 2021 amending Regulation (EU) No. 1178/2011 as regards the requirements for all-weather operations and for instrument and type rating training in helicopters