7. Commission Regulation (EC) No. 2150/2005 laying down common rules for the flexible use of airspace - European Air Law (Update) View the chapter 7. Commission Regulation (EC) No. 2150/2005 laying down common rules for the flexible use of airspace by - European Air Law (Update) 7. Commission Regulation (EC) No. 2150/2005 laying down common rules for the flexible use of airspace