Abstract: The present invention discloses a tray cart for serving refreshments in an airplane. The tray cart having: a load bearing railing coupled with a fuselage portion of the airplane, the railing stretching from a first end of the airplane to a second end over an aisle portion of the airplane; and a trolley for carrying the refreshments, the trolley being suspended from the railing by means of one or more suspension wires, the trolley being slidable over the railing by means of one or more geared wheels. The trolley is suspended to a predetermined length above a floor of the aisle portion of the airplane, the suspension length permitting removal of the refreshments placed in the trolley by an attendant without having to bend down.