Learn how to build yourself a hydroplane boat in your backyard. our complete boat plans collection is available for free and immediate download. it is the largest wood boat plans collection we’ve seen online. easy to follow step by step instructions.. Call 541.543.6867 9am to 6pm pst m-f: 18 foot fly fisherman – model 18ff: this boat is designed by don hill for fly fishing the deschutes and south fork of the snake rivers.this is a big water craft with the unique design of carrying two passengers up front, one in the rear, as well as the oarsman.. Mini airboats, like the lake buggy, have become very popular with both fishermen and general water enthusiasts because the airboat plans make them easy to build with a simple airboat hull, very affordable, and fun to use..