additional airworthiness requirements for products, parts and non-installed equipment, the design of which has already been certified, needed to support continuing airworthiness and safety improvements.
na ceanglais aeracmhainneachta bhreise is gá d'fhonn tacú leis an aeracmhainneacht leanúnach agus d'fhonn an tsábháilteacht a fheabhsú, i gcás táirgí, páirteanna agus trealamh neamhshuiteáilte a ndearnadh deimhniú ar a ndearadh cheana.