Data currently reported in the national greenhouse gas inventories and the national and Union registries are not sufficient to determine, at Member State level, the CO2 civil aviation emissions at national level that are not covered by Directive 2003/87/EC.
Ní leor na sonraí a thuairiscítear i láthair na huaire sna fardail náisiúnta gás ceaptha teasa agus sna clárlanna náisiúnta agus Aontais chun astaíochtaí CO2 na heitlíochta sibhialta ar an leibhéal náisiúnta, nach gcumhdaítear le Treoir 2003/87/CE, a chinneadh.