Already thought of that many times while having discussions about wearing helmets when skiing, riding a bike or whatever. We wear life jackets, flares, knifes, and have a phone on board in case of an emergency, but a helmet seems a good idea to me.

Once made a pitch pole with our previous nacra (could throw it with the garbage after this action) which was very rough and we realized that we're very lucky afterwards. Such actions make you think...