No L_375/32 Official Journal of the European Communities 31.12. 80 COUNCIL DIRECTIVE of 16 December 1980 on future cooperation and mutual assistance between the Member States in the field of air accident investigation (80/1266/EEC) | ’ THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty ‘establishing the Euro- pean Economic Community, and in particular Article 84 (2) thereof, Whereas the technical complexity of large modern aircraft is constantly increasing; whereas, pursuant to Chapter 5 of Annex 13 to the International Civil Aviation Convention, it is incumbent upon the Con- tracting States to have accidents involving such air- craft investigated immediately at the request of the competent Member States by independent experts from a wide range of specialized technical and opera- tional fields; Whereas not all Member States are able to keep per- manently or fully available the specialist staff and approprlate technical facilities required for investi- gating major accidents; Whereas the homogeneous technical development of and the uniform performance standards in avia- tion in the Member States make it possible for them to cooperate in the investigation and prevention of air accidents; | Whereas more than 90 % of accidents involve air- craft of up to and including 5 700 kg maximum per- missible take-off weight and whereas it is advisable for air safety and for the prevention of accidents that such accidents also form the subject of an exchange of information, HAS ADOPTED THIS DIRECTIVE: Article 1 1. In the event of an accident involving a civil air- craft, each Member State shall, by way of mutual assistance, endeavour to make available, on request by the Member State conducting the investigation, within the limits of its possibilities and as appro- priate: (a) installations, facilities and equipment owned by its authorities for: — the technical investigation of wreckage and aircraft equipment and other objects rele- vant to the investigation, — the evaluation of information from flight parameter recorders and communications and sound-alarm recorders in the cockpit, — and the computer storage and evaluation of air accident data; (b) accidentinvestigation experts to undertake speci- fic tasks, but only where an investigation is opened following a major accident. 2. Such mutual assistance should be given, as far as possible, free of charge. Article 2 Member States shall periodically inform one another of incidents not resulting in accidents and of the results of investigations of accidents involv- ing aircraft of a maximum permissible take-off weight up to and including 5 700 kg provided that such results are available in a form corresponding to that of the accident/incident data reporting form drawn up by the International Civil Aviation Organization. ’