With all the charm of generations of tugboats roaming the waterways, the tugzilla 26 offers several paths to boating pleasure. first, she’s a real working boat. Proven boat designs, and how-to information for boat building. boat plans are for beginners and have been built by thousands since 1953.. Designers, plans & kits a to m: 16′ mckenzie river driftboat plans and construction manual (from altair industries) ace marine ltd. (low cost naval architecture.