Article 11 4.

collection, validation, examination, evaluation and dissemination of relevant data related to the performance of air navigation services and network functions from all relevant parties, including air navigation service providers, airspace users, airport operators, national supervisory authorities, Member States and Eurocontrol;

selection of appropriate key performance areas on the basis of ICAO Document No 9854 ‘Global air traffic management operational concept’, and consistent with those identified in the Performance Framework of the ATM Master Plan, including safety, the environment, capacity and cost-efficiency areas, adapted where necessary in order to take into account the specific needs of the single European sky and relevant objectives for these areas and definition of a limited set of key performance indicators for measuring performance;

establishment of Community-wide performance targets that shall be defined taking into consideration inputs identified at national level or at the level of functional airspace blocks;

assessment of the national or functional airspace block performance targets on the basis of the national or functional airspace block plan; and

monitoring of the national or functional airspace block performance plans, including appropriate alert mechanisms.