I don't know, but I have had a long chat with a couple on the beach at Tindalls that this may have been. So noting it is just conjecture that this couple is the couple I spoke to.
Short story is (the couple I spoke to) are "alternative lifestylers" and were living in a campervan. They had bought an old wooden launch and were excited about using that for boating and living on it. Possibly plywood, or at least wooden, as in not a modern plastic thing. Lets call it one of your typical end of life boats you find on moorings all around Auckland. It did not have insurance, they were keen for t