EU-OPS 1 is the transition into EC law of JAR-OPS 1, as specified by Regulation (EC) No 1899/2006 of the European Parliament and of the Council of 12 December 2006, amending Council Regulation (EEC) No 3922/1991 on the harmonisation of technical requirements and administrative procedures in the field of civil aviation.
It was implemented under Commission Regulation (EC) No 8/2008 and prescribed requirements applicable for any operator of any aeroplane for the purpose of commercial air transport by any operator whose principal place of business and, if any, registered office was in a EU Member State.