Rivet HS-902 spars, HS-907 front spar doubler, and HS-908-L and HS-908-R angles together Rivet HS-903 spars, HS-906 rear spar doubler, and HS-912 hinge brackets together Select a skin and place it in the cradle blocks. Cleco in the HS-905 nose ribs and rivet them to the skin. Fit the intermediate HS-904 ribs to the front spar sub-assembly and rivet. Install the front spar/main rib sub-assembly in the skin and cleco Install the inboard and mid HS-904 main ribs and rivet them to the HS-902 front spar and HS-905 nose ribs. Install the HS-909 shim between the inboard HS-904 and the front spar Rivet the HS-902 front spar to the skin. Rivet the HS-904 ribs to the skin Repeat all the assembly steps on the opposite stabilizer half.
