Made the shims as indicated using already primed .032 aluminum. Positioned after clecoing the Upper tailcone skin. Matchdrilled with #40 the skin to the longerons and the baggage side bottom and triangle holes.Matchdrilled all the tailcone bottom and top skin into the fuselage skins, longerons and F-1006ABCD bulkheads. Matcdrilled the forward line of rivet on the belly into the F-1006B. MACHINE COUNTERSINKING NOT DONE YET.