ok all you engineers.. here it is..
"Note The load at the lower end of the dagger board case is equivalent to having the hull laying down on its side and putting a 944 kg weight at that case exit. Make sure the boat is stronger than the boards!"
This is saying, yes you can stand on the boards (unless you weigh more than 994 kg (2186lbs).
I originally said i would never stand on my centerboards, but after reading all this, i have done it several times. the loads on your boards are far greater than your weight. I wouldn't spring board off them, but your weight should be fine.
http://hem.bredband.net/b…6/Boat/Boardstrength.pdf