This would primarily concern airworthiness and environmental aspects of aeronautical products, parts and appliances; it could also include the approval and monitoring of maintenance services.
Tunnustamist taotletakse eelkõige lennundustoodete, nende osade ja seadmete lennukõlblikkuse ning keskkonnaaspektide, aga ka hooldusteenuste heakskiitmise ja järelevalve alal.