Build a flat bottom jon boat plans . these plans are to build a flat bottom fishing jon boat. fisherman who like to work the shallow backwaters and weed. The oldest business of it’s kind. since our first plans were sold for home construction in 1938, more than 100,000 hartley boats have been built.. Our trading dock . vintage & classic race boats that sold !!! last update – november 1, 2017. we take no part in the actual sales and take no commissions..