A flexible, multicellular aerial device of significantly improved performance for the lifting or gliding of a load attached to and suspended from the device by suspension means that distribute load stresses over large areas of structural surface without the use of additional suspension load bearing reinforcing members or other externally applied load distributing means. The primary structure of the device is comprised of an upper and lower flexible surface between which a plurality of longitudinal flexible partitions of various vertical and longitudinal extent are attached at spanwise intervals to define a substantially airfoil-shaped ram pressurizable partitioned structure, to which a plurality of suspension and control lines attach at various points to suspend and control the lift or glide of a load through the atmosphere.
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