Determined that the seat removal can be accomplished by using #8 srews with a tapped hole on the spar tunnel and rear spar angles. Nutplates will be used for seat support. Using CCC-44 flush rivets in a 2-1-2 alternating pattern, with two rivets, a screw for securing the forward seat pan, and two flush rivets. The rear seat pan will us all #8 tapped holes to secure the seat.