28. Commission Regulation (EU) No. 1332/2011 of 16 December 2011 laying down common airspace usage requirements and operating procedures for airborne collision avoidance - European Air Law (Update) View the chapter 28. Commission Regulation (EU) No. 1332/2011 of 16 December 2011 laying down common airspace usage requirements and operating procedures for airborne collision avoidance by - European Air Law (Update) 28. Commission Regulation (EU) No. 1332/2011 of 16 December 2011 laying down common airspace usage requirements and operating procedures for airborne collision avoidance