A lining/fairing panel for an airborne vehicle, comprising: a panel body having a first surface and a second surface opposite to the first surface, the panel body being configured to be fastened to a structural element of the airborne vehicle by means of fasteners arranged at the borders of the panel body; an electrically conductive coating applied to the first surface or the second surface; a via arranged in the panel body reaching from the first surface to the second surface of the panel body; the via being formed in an inner region of the panel body, the borders of which inner region being spaced apart by a predetermined distance from the borders of the first and second surface of the panel body; a bolt comprising an electrically conductive material arranged in the via, the bolt being electrically coupled to the electrically conductive coating and electrically accessible from both surface sides of the panel body for electrical bonding resistance measurements; a nut arranged on the second surface of the panel body, wherein the bolt is a threaded bolt threadingly engaging the nut; and either a first washer comprising an electrically conductive material, the first washer being arranged between the nut and the second surface of the panel body, the electrically conductive coating being applied to the second surface of the panel body, and the first washer extending over at least part of the electrically conductive coating electrically coupling the electrically conductive coating to the bolt; or a second washer (12; 16) comprising an electrically conductive material, the second washer (12; 16) being arranged between the bolt head and the first surface of the panel body, the electrically conductive coating being applied to the first surface of the panel body, and the second washer extending over at least part of the electrically conductive coating electrically coupling the electrically conductive coating to the bolt. a panel body having a first surface and a second surface opposite to the first surface, the panel body being configured to be fastened to a structural element of the airborne vehicle by means of fasteners arranged at the borders of the panel body; an electrically conductive coating applied to the first surface or the second surface; a via arranged in the panel body reaching from the first surface to the second surface of the panel body; the via being formed in an inner region of the panel body, the borders of which inner region being spaced apart by a predetermined distance from the borders of the first and second surface of the panel body; a bolt comprising an electrically conductive material arranged in the via, the bolt being electrically coupled to the electrically conductive coating and electrically accessible from both surface sides of the panel body for electrical bonding resistance measurements; a nut arranged on the second surface of the panel body, wherein the bolt is a threaded bolt threadingly engaging the nut; and either a first washer comprising an electrically conductive material, the first washer being arranged between the nut and the second surface of the panel body, the electrically conductive coating being applied to the second surface of the panel body, and the first washer extending over at least part of the electrically conductive coating electrically coupling the electrically conductive coating to the bolt; or a second washer (12; 16) comprising an electrically conductive material, the second washer (12; 16) being arranged between the bolt head and the first surface of the panel body, the electrically conductive coating being applied to the first surface of the panel body, and the second washer extending over at least part of the electrically conductive coating electrically coupling the electrically conductive coating to the bolt.