Cleco the HS-905 nose ribs into the HS-901 skin. Cleco the left half of the front spar sub-assembly to the nose rib flanges and to the skin Cleco the HS-904 main ribs to the front spar and to the skin Cleco the left half of the rear spar sub-assembly to the main rib flanges and to the skin. Match drill the skin to the skeletal structure Dimple all the #40 holes in the rib flanges Machine countersink the #40 holes in the spar flanges Machine countersink the required holes on the forward side of HS-906 Dimple all #40 holes in the skin
Repeat the process for the opposite stabilizer half beginning with clecoing the HS-905 nose ribs into the HS-901 skin.
