REDUCED WEIGHT AIRCRAFT TIRE

A pneumatic tire comprising a tread and a carcass positioned radially inward of the tread and comprising a carcass ply having a first concave portion. A belt structure is positioned radially inward of the tread and radially outward of the carcass and comprises a belt ply having a second concave portion. A radial distance (d) is constant between the carcass ply and the belt ply, including the first and second concave portions, respectively.