We pitchpoled our SC20 years ago. We were enjoying burying the hulls when a larger wave hit the front beam stopping the hulls but allowing the sails, rig, and 2 on the wire to continue, ending in a perfect pitchpole. It stood rudders up for a moment, before rolling on its side. The 2 folks ...
Glad you realized this ! I had a 1982 SC20 years ago with triple spreaders. One of the spreader caps popped out, however I think it was due to UV deterioration. In maybe 8 kts of breeze we broke the mast. Had to be towed home. Replaced it with the newer mast and never had another issue. Please tune ...