An aircraft fuselage comprising a structure, a skin connected to the structure and forming a barrier between the interior and the exterior of the fuselage, an external coating being plated or placed against said skin, wherein the external coating comprises a thermal insulator that covers the fuselage at least in part and has at least one foam insulating layer. The external coating comprises a plurality of juxtaposed panels adhesively bonded to the fuselage and/or secured to the fuselage by mechanical fixings.