Well, with our airboat plans you can have one of your own, and without spending thousands of dollars for it. just build a mini airboat yourself with simple tools you have, and materials you can get right from your local hardware store!. These types of plans can be found on various websites and offer detailed plans that have one or multiple seating options. the best part about these plans is that many of them are free. when building the airboat, it is important to follow the instructions exactly to ensure the proper construction and operation of the airboat.. Find a plan. basic plans to build an airboat are available from outfits like lake buggy airboats website. here you can choose from single seat and two seat plans..