The story of CNSO began in 1960 when the French yard was founded by Otto Tiefenbach. Located in Bon-Encontre, within the Lot-et-Garonne region of France, Tiefenbach's vision led to the creation of a company that would become renowned for producing popular and accessible sailing vessels. While specific details about Tiefenbach's background or the company's very first boat remain less documented, the subsequent success of CNSO's models suggests a foundational commitment to crafting yachts that appealed to a broad spectrum of sailors.
History and Evolution
CNSO operated for over two decades, from its founding in 1960 until it ceased operations in 1982. During this period, the company established itself as a significant builder in the French marine industry. While direct information on major corporate changes, such as mergers or acquisitions, is not readily available, the shipyard's evolution was characterized by its consistent output of well-received cruising yachts. Like many builders of its era, CNSO likely transitioned to fiberglass construction, a material that revolutionized boat building by offering durability, reduced maintenance, and the ability to mass-produce designs.
Design Philosophy and Identity
CNSO earned a reputation for building robust and comfortable cruising sailboats, appealing to those seeking practical and enjoyable vessels for overnight cruising and general sailing. The yard became particularly noted for a series of models named after martial arts, which hinted at their robust construction and seaworthy capabilities. A key element of CNSO's design identity was its collaboration with prominent naval architects. French designer Michel Bigoin played a pivotal role in shaping many of CNSO's iconic yachts, including the Karate, Samouraï, and Shogun models. Daniel Duvergie also contributed to the design of the Samouraï. This partnership with skilled designers ensured that CNSO boats were not only well-built but also offered sound sailing performance for their intended purpose.
Iconic Models and Legacy
CNSO's production history is highlighted by several enduring models that continue to be sought after on the used boat market, a testament to their lasting design and construction quality. Among the most significant are:
- Karate: Available in variations such as the Karate 9.8M and Karate 33, these models were designed by Michel Bigoin. The Karate series, exemplified by the Karate MK1 (Aft Cabin), was a popular cruiser. The existence of a "Club des Amis Propriétaires de Karaté" (Friends of Karate Owners Club) underscores the strong community and enduring appeal of this particular model.
- Samouraï: This sloop-rigged cabin cruiser, also designed by Michel Bigoin and Daniel Duvergie, was conceived primarily for sailing. The Samouraï was known for its practical design and capabilities as a cruising yacht.
- Shogun: The Shogun, including the Shogun 36, was a 10.8-meter (35' 5") monohull sailboat designed by Michel Bigoin. Produced from approximately 1980, the Shogun was marketed as a bluewater cruising yacht.
Beyond these well-known names, CNSO also produced other notable models, including the Mikado (such as the Mikado 56 and Mikado - Ketch 52), Daimio 23, Kendo 45, and Lotus 750. While specific production numbers are not widely publicized, the recurring appearance of these models on yacht sales platforms speaks to their widespread distribution and continued use.
The Enduring Appeal
Although CNSO ceased its operations in 1982, its legacy lives on through the many yachts that continue to ply the waters today. The durable construction and practical designs of CNSO boats mean they remain a viable option for those looking for an affordable and capable cruising sailboat. The active owner communities, such as the one for the Karate, further attest to the enduring appeal and shared passion among those who appreciate these classic French cruisers. CNSO boats, now exclusively found on the used market, appeal to sailors who value robust construction, functional layouts, and the tangible history of a bygone era of French yacht building.
