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Sailboat Specifications

Us1

Cat (Marconi) · Centerboard Dinghy

Designed by Ralph Kuppersmith/C. Mills · Built by Advance Sailboat / Continental Sailcraft (Usa) · First built 1973

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LOA 15.42 ft  ·  Beam 4.58 ft  ·  Displacement 190.00 lb  ·  Cat (Marconi)  ·  Centerboard Dinghy
About the Us1 Sailboat

Designed with simplicity and accessibility in mind, the Us1 is a small sailboat that has earned a place in the hearts of entry-level sailors and sailing school programs. Built for sheltered waters, light recreational sailing, and introductory racing, this compact vessel offers a forgiving and straightforward sailing experience that makes it particularly well-suited for those just beginning their sailing journey. With its modest size and manageable rig, the Us1 is easy to rig, launch, and handle, making it a practical choice for day sailing on lakes, bays, and calm coastal waters. Its lightweight construction allows for responsive handling, giving new sailors a genuine feel for the wind and water without being overwhelmed by complexity. The boat's stability and predictable behavior in light to moderate conditions make it a trustworthy platform for building foundational sailing skills. While detailed specifications are limited, the Us1's reputation as a beginner-friendly dinghy speaks for itself. For those researching an affordable, low-maintenance entry point into sailing, this vessel represents a sensible and enjoyable starting place.

Dimensions & Specifications
LOA (Length Overall) 15.42 ft / 4.70 m
LWL (Waterline Length) 13.50 ft / 4.11 m
Beam 4.58 ft / 1.40 m
Max Draft 2.50 ft / 0.76 m
Displacement 190.00 lb / 86 kg
Design & Construction
Hull Type Centerboard Dinghy
Rigging Type Cat (Marconi)
Construction FG
Designer Ralph Kuppersmith/C. Mills
Builder Advance Sailboat / Continental Sailcraft (USA)
First Built 1973
Number Built 450
Related Sailboats Windmill · 470 · Snipe · Coronado 15 · Bandit 15
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Frequently Asked Questions

How much does a Us1 weigh?

The Us1 has a displacement of 190.00 lb and a length overall (LOA) of 15.42 ft.

Who designed the Us1?

The Us1 was designed by Ralph Kuppersmith/C. Mills, first built in 1973.