Alpa A11 Sailboats for Sale

Drawing Diagram

Builder drawing

Hull Type

Monohull · fin

Rig

Masthead Sloop

LOA

37.01' · 11.28 m

Disp.

12,125 lbs · 5,500 kg

First year

1968

The Alpa A11 represents a pivotal chapter in the evolution of Italian fiberglass yacht construction, bridging the gap between traditional seaworthiness and the emerging IOR (International Offshore Rule) design trends of the late 1960s and early 1970s. As a flagship of Danilo Cattadori’s Alpa shipyard, the A11 was conceived during an era when the builder was collaborating extensively with the premier naval architecture firms of the day. Specifically, the A11 is often associated with the design lineage of Sparkman & Stephens, who provided the blueprints for many of Alpa’s most enduring hulls, including the remarkably similar Alpa 11.50 (Design No. 1956). The A11 is characterized by its heavydisplacement hull, narrow beam relative to length, and a distinctively elegant Italian aesthetic that prioritized structural integrity over internal volume.