This design was commissioned by Hank Hinckley in 1979 for what appears to be a new yacht building company in Bar Harbor, Maine called Ocean Cruising Yachts. I do not believe the company got off the ground or beyond this stage of promotion. Her Hinckley roots are evident.
Here's the rest of the brochure. Please double click for zoom.
Draft 4'-10" (centerboard up) 9'-6" (centerboard down)
Displacement 29,375 lbs
Ballast 11,494 lbs
Sail Area 1,062 sq ft