Catalogues, manuals & dvd’s for both the home & professional boat builder last updated 02/07/17. Designers, plans & kits a to m: 16′ mckenzie river driftboat plans and construction manual (from altair industries) ace marine ltd. (low cost naval architecture. Scroll down this page for many more plans. this a page of links to some favourite free boat plans at intheboatshed.net. they’ve been chosen because they are derived.