Design software: aerohydro (marine design and modeling software and services) aerologic (lofting, simulation and analysis software) aeromarine research (tunnel boat. Boat plans catalog – 300 boats you can build! new – electrical design plans; boatbuilding supplies & epoxy; inboard hardware; books & dvds; raptor® fastenings. Creekrat fliver boats. us here at creekrat have been building, running, flipping, wrecking and fixing, our fliver boats (the original pwc) fer over 50 years!.