An aircraft comprising an aircraft body having a plurality of body frame members on an outboard member of the aircraft body, a wing box extending through a member of the aircraft body, and an attachment apparatus comprising: at least one pair of a one-piece attachment member and an attachment link member fixedly attached to an outer surface of the wing box or, alternatively, one pair of a two-piece attachment member and an attachment link member fixedly attached to an outer surface of the wing box, characterised in that the attachment member comprises: an upwardly extending projection (32, 42) that receives the outboard member of the aircraft body, a downwardly extending member (38, 48) that receives the outboard member of the aircraft body and the outer surface of the wing box, wherein for the two-piece attachment member alternative, the upwardly extending projection (32, 42) and the downwardly extending member (38, 48) are fixedly attached, and an inboard extending projection (34, 44) that receives the attachment link member being connected to an inboard outer surface of the wing box via the attachment link member; and a plurality of fasteners (39, 49) fixedly attaching the aircraft body to the attachment member (30,40) and attachment link member, thereby securing the aircraft body to the wing box, wherein the inboard extending projection (34, 44) couples the upwardly extending projection to the attachment link member. at least one pair of a one-piece attachment member and an attachment link member fixedly attached to an outer surface of the wing box or, alternatively, one pair of a two-piece attachment member and an attachment link member fixedly attached to an outer surface of the wing box, characterised in that the attachment member comprises: an upwardly extending projection (32, 42) that receives the outboard member of the aircraft body, a downwardly extending member (38, 48) that receives the outboard member of the aircraft body and the outer surface of the wing box, wherein for the two-piece attachment member alternative, the upwardly extending projection (32, 42) and the downwardly extending member (38, 48) are fixedly attached, and an inboard extending projection (34, 44) that receives the attachment link member being connected to an inboard outer surface of the wing box via the attachment link member; and an upwardly extending projection (32, 42) that receives the outboard member of the aircraft body, a downwardly extending member (38, 48) that receives the outboard member of the aircraft body and the outer surface of the wing box, wherein for the two-piece attachment member alternative, the upwardly extending projection (32, 42) and the downwardly extending member (38, 48) are fixedly attached, and an inboard extending projection (34, 44) that receives the attachment link member being connected to an inboard outer surface of the wing box via the attachment link member; and a plurality of fasteners (39, 49) fixedly attaching the aircraft body to the attachment member (30,40) and attachment link member, thereby securing the aircraft body to the wing box, wherein the inboard extending projection (34, 44) couples the upwardly extending projection to the attachment link member.