27.18. Commission Implementation Regulation (EU) No. 1197/2011 of 21 November 2011 - European Air Law (Update) View the chapter 27.18. Commission Implementation Regulation (EU) No. 1197/2011 of 21 November 2011 by - European Air Law (Update) 27.18. Commission Implementation Regulation (EU) No. 1197/2011 of 21 November 2011