I am not sure about the 16 but I home built a righting pole for my Nacra 5.2 and I can right it at 160lbs. But in light wind it takes a while, but in heavy wind I have actually righted it without the pole and one time I was still in the water.
Once you go cat you never go back!
Nacra 5.2 (Elsies)#1499, running an inter17 spin!