David Lewis

David Henry Lewis (1917–2002) was an Australian–New Zealand sailor, navigator and scholar whose work profoundly influenced long-distance cruising and the Ocean Cruising Club (OCC). Trained as a medical doctor, Lewis combined scientific discipline with practical seamanship, becoming renowned both for his own ocean passages and for his deep interest in traditional navigation.

Lewis was an active and highly respected member of the OCC, where his achievements exemplified the club’s emphasis on self-reliance, curiosity and ocean experience. He completed numerous major voyages that qualified him for OCC recognition, including demanding passages in small yachts across the Pacific and Indian Oceans. His sailing was never undertaken simply for speed or record-breaking; instead, it was driven by a desire to understand how humans find their way across oceans using limited resources.
Within the OCC, Lewis is best remembered for the intellectual impact of his voyages and writings. His groundbreaking research into Polynesian wayfinding, undertaken while voyaging among Pacific islands, demonstrated that traditional non-instrument navigation was both sophisticated and reliable. This work, later published in influential books, resonated strongly with OCC members, many of whom value practical navigation and minimal reliance on technology.

Through his sailing, scholarship and engagement with the club, David Lewis broadened the OCC’s horizons, reinforcing its belief that ocean cruising is not only a physical challenge but also an exploration of knowledge, culture and seamanship