John G. Hanna

John G. Hanna was an American yacht designer who became famous for his cruising sailboat designs, particularly the iconic Tahiti Ketch. Active from the 1930s through the 1960s, Hanna specialized in designing sturdy, seaworthy boats suitable for long-distance cruising and ocean voyaging. His designs emphasized deep keels, conservative sail plans, and robust construction, making them popular among serious cruising sailors. The Tahiti Ketch became one of the most recognizable and widely built cruising designs of its era, with hundreds constructed worldwide. Hanna's work contributed significantly to the development of modern cruising yacht design, establishing principles of seaworthiness and comfort that influenced generations of naval architects.