With Tip Up canopy aft top skin in place, match drilled top stiffener to bulkheads. Watch out for several rib tabs in corner locations, they easily get bent when inserting cleco's. Match drilled skin to fuselage.
Aft top skin cleco'd in place
Top stiffener match drilled to F706 bulkhead
For tip up canopy, this thick spacer gets riveted under 707 forward flange.
