Crash and I will be coming I can't find his life jacket it packed up. As to other questions the water is warm, if you fall out of your boat hold your feet up and float through the rapid, the water is calm at bottom of the rapid and
we will enjoy getting you back to your boat. As to the fiberglass question, whitewater boats used to be made of fiberglass, fiberglass is light if you can't float it you can carry it, but then I have seen people wrap aluminum canoe on a bridge peer.