CH-640 Fuselage Hull - Stage One (3 of 206)




Remove the HT frame and measure 25mm back from the line that marks the rear of the HT frame.  Drill a 3/8
Remove the HT frame and measure 25mm back from the line that marks the rear of the HT frame. Drill a 3/8" hole at this location on the center line. This hole is for the bolt on 640-F-4-5 (stiffener with welded bolt).