This Regulation lays down detailed rules for third country operators of aircraft referred to in Article 4(1)(d) of Regulation (EC) No 216/2008 engaged in commercial air transport operations into, within or out of the territory subject to the provisions of the Treaty, including conditions for issuing, maintaining, amending, limiting, suspending or revoking their authorisations, the privileges and responsibilities of the holders of authorisations as well as conditions under which operations shall be prohibited, limited or subject to certain conditions in the interest of safety.