As regards the airworthiness and environmental compatibility of aircraft referred to in points (a) and (b) of Article 2(1), other than unmanned aircraft, and their engines, propellers, parts and non-installed equipment, the Commission is empowered to adopt delegated acts, in accordance with Article 128, to amend Annexes II and III, where necessary for reasons of technical, operational or scientific developments or evidence in the field of airworthiness or environmental compatibility, in order and to the extent required to achieve the objectives set out in Article 1.
I dtaca le haeracmhainneacht agus comhoiriúnacht chomhshaoil aerárthaí dá dtagraítear i bpointe (a) agus (b) d'Airteagal 2(1), seachas aerárthaí gan foireann, maille lena n-innill, lena liáin, lena bpáirteanna agus lena dtrealamh neamhshuiteáilte, tugtar de chumhacht don Choimisiún gníomhartha tarmligthe a ghlacadh i gcomhréir le hAirteagal 128, chun Iarscríbhinn II agus Iarscríbhinn III a leasú, nuair is gá ar chúiseanna a bhaineann le forbairtí teicniúla, oibríochtúla nó eolaíochta nó le fianaise i réimse na haeracmhainneachta nó na comhoiriúnachta comhshaoil, d'fhonn na cuspóirí a leagtar amach in Airteagal 1 a bhaint amach, agus a mhéid is gá chuige sin.