International Civil Aeronautics Conference. Pilgrimage of delegates and guests, International Civil Aeronautics Conference and of National Aeronautic Association to Kill Devil Hills, N. C., Dec. 17, 1928, to commemorate 25th anniversary of first flight of an airplane made by Orville Wright, the first aviator, guest of honor, including inspection of Aeronautical Research Laboratories of National Advisory Committee for Aeronautics, Langley Field, Va. [program and schedule].