Hybrid support rail for receiving fixtures in a cabin of a vehicle, comprising: - a support rail base, - a plurality of first attachment elements having a cylindrical shape and a threaded hole, - a plurality of second attachment elements which are formed so as to be complementary to the first attachment elements, and - a support rail upper part, wherein the support rail base has a lower side and an upper side, wherein the upper side has a substantially tubular receiving housing having a rectangular cross section and extending along a main extension direction of the support rail base for sliding in the first attachment elements and, on a side facing away from the lower side, has a support surface which has at least one recess, wherein the receiving housing is designed to prevent the first attachment elements from sliding out towards the support surface, wherein the support rail upper part has a contact surface for placement on the support surface, wherein the contact surface has a plurality of openings through which the second attachment elements are guided for insertion in the first attachment elements, wherein the support rail upper part is formed by a planar chord, wherein the entire side of the support rail upper part comprising the contact surface is planar, wherein the planar chord has two projections on a side of the support rail upper part facing away from the contact surface which, together with the chord, enclose a cavity in part, and wherein the projections, on a side facing away from the planar chord, comprise an upper boundary surface which is parallel to the chord and has a central slot which is permeated by holes, the diameter of which is greater than the width of the slot, and which holes are distributed in a pattern along the slot. - a support rail base, - a plurality of first attachment elements having a cylindrical shape and a threaded hole, - a plurality of second attachment elements which are formed so as to be complementary to the first attachment elements, and - a support rail upper part, wherein the support rail base has a lower side and an upper side, wherein the upper side has a substantially tubular receiving housing having a rectangular cross section and extending along a main extension direction of the support rail base for sliding in the first attachment elements and, on a side facing away from the lower side, has a support surface which has at least one recess, wherein the receiving housing is designed to prevent the first attachment elements from sliding out towards the support surface, wherein the support rail upper part has a contact surface for placement on the support surface, wherein the contact surface has a plurality of openings through which the second attachment elements are guided for insertion in the first attachment elements, wherein the support rail upper part is formed by a planar chord, wherein the entire side of the support rail upper part comprising the contact surface is planar, wherein the planar chord has two projections on a side of the support rail upper part facing away from the contact surface which, together with the chord, enclose a cavity in part, and wherein the projections, on a side facing away from the planar chord, comprise an upper boundary surface which is parallel to the chord and has a central slot which is permeated by holes, the diameter of which is greater than the width of the slot, and which holes are distributed in a pattern along the slot. wherein the support rail upper part is formed by a planar chord, wherein the entire side of the support rail upper part comprising the contact surface is planar, wherein the planar chord has two projections on a side of the support rail upper part facing away from the contact surface which, together with the chord, enclose a cavity in part, and wherein the projections, on a side facing away from the planar chord, comprise an upper boundary surface which is parallel to the chord and has a central slot which is permeated by holes, the diameter of which is greater than the width of the slot, and which holes are distributed in a pattern along the slot.