3. Commission Regulation (EU) No. 176/2011 of 24 February 2011 on the information to be provided before the establishment and modification of a functional airspace block - European Air Law (Update) View the chapter 3. Commission Regulation (EU) No. 176/2011 of 24 February 2011 on the information to be provided before the establishment and modification of a functional airspace block by - European Air Law (Update) 3. Commission Regulation (EU) No. 176/2011 of 24 February 2011 on the information to be provided before the establishment and modification of a functional airspace block