AN526-632R4
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Pitot Mast Drilling
Marked mounting holes in pitot mount and tube; two per side. Drilled pilot holes with #36 drill bit. Upsized mount holes to #25 for #6 screws. Carefully tapped pitot head with 6-32 tap through mounting pads. Front left hole had screw break off inside so needed to (mostly) drill out and redrill slightly lower. Mount…