Installed and riveted nose ribs into skins. Clecoed counterbalance/spar assemblies to nose skin sub assemblies then riveted spars to nose ribs. Installed and riveted top skin to spar. Riveted main ribs to spars as shown. Installed and riveted bottom skins to spars. Clecoed trailing edge extrusions to both ailerons then riveted top and bottom main ribs together on each end of ailerons.
