a vehicle seat for aircraft and motor vehicles , includes a back rest and a seat part supported by a seat frame connected to a vehicle floor . one support arm pivotally supports on one of its ends a combined foot and leg support as separate surfaces of a bracing component . the support arm is coupled to the seat frame at its other free end in a pivotable manner and may be adjusted detent - wise through preset positions . the foot and the leg support are arranged on opposite faces of the support piece .