While not technically a crash, this video shows some pretty serious conditions, and the proper way to handle them. Conditions look like 50 knots to me, with sharp, occasionally breaking waves. What looks like the yawl is highly reefed and working downwind with the wave on their quarter. Note the wave state, with the sea shifting from discrete waves, to constant, white, streaky foam. Indicative of approaching and crossing the forty to fifty-knot wind threshold.