Laid out and drilled #40 pilot holes in front four mounting locations on each rail. Marked location of aft two holes on each rail using existing pilot holes in cockpit sides. Enlarged all holes to #30. Collected all mounting hardware; final-drilled all holes to #19 and deburred. Relieved rail guide by aftmost hole in right rail for screw head clearance. Temporarily bolted canopy rails to cockpit rails and test fit canopy frame on assembly.
