If you are looking for a way to build an inexpensive boat you should definitely consider plywood boat plans. using plywood is one of the best ways in which to build a. Knowing how to build an airboat requires much research. airboats can be fun to enjoy on the water and those who need a reliable boat for fishing or other water. Homemade boats from glen-l boat plans t hese photos are filed alphabetically by boat name. click on the name of the boat to see the.