Lake buggy airboats provide airboat plans for mini airboats so you do not need to know how to design an airboat because we show you how to build an airboat. Builds custom airboats and ice airboats. also offers plans and kits for self builders. includes airboat faqs. located in vernon, british columbia, canada.. Our 19 x 8′ supercharged lsa airboat. engine: marine super-charged ls hp: 556; belt drive: century ch#3 2:1 600 hp rated; gear drive, optional new feature.