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Sailboat Specifications

Offshore 50 Cheoy Lee

Masthead Ketch · Long Keel

Designed by Alden & Associates · Built by Cheoy Lee Shipyard Ltd. · First built 1966

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LOA 50.33 ft  ·  Beam 13.16 ft  ·  Displacement 34,000.00 lb  ·  Sail Area 1,154.00 ft²  ·  Masthead Ketch  ·  Long Keel
About the Offshore 50 Cheoy Lee Sailboat

Built by the respected Hong Kong shipyard Cheoy Lee, the Offshore 50 carries the hallmarks of a builder long associated with quality construction and serious bluewater capability. Cheoy Lee earned a strong reputation throughout the latter half of the twentieth century for producing well-finished, robustly built sailing vessels, and the Offshore series represented some of their most accomplished work aimed at the dedicated offshore cruiser. Designed with passage-making in mind, the Offshore 50 is well suited to sailors seeking a capable and comfortable platform for extended offshore voyages and ocean crossings. The larger size of the hull suggests generous interior volume, making it an appealing choice for liveaboard cruising or long-distance adventures where comfort over time matters as much as raw performance. While detailed specifications are limited, Cheoy Lee's general construction philosophy leaned toward solid, conservative builds that prioritize seaworthiness and durability over racing pedigree. Prospective buyers interested in this model would benefit from seeking out individual vessel surveys, as build quality and outfitting can vary across production years. Overall, the Offshore 50 represents a compelling option for serious cruisers with an eye for craftsmanship.

Dimensions & Specifications
LOA (Length Overall) 50.33 ft / 15.34 m
LWL (Waterline Length) 34.67 ft / 10.57 m
Beam 13.16 ft / 4.01 m
Max Draft 6.50 ft / 1.98 m
Displacement 34,000.00 lb / 15,422 kg
Ballast 14,000.00 lb / 6,350 kg
Sail Area (Reported) 1,154.00 ft² / 107.21 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Ketch
Construction FG
Designer Alden & Associates
Builder Cheoy Lee Shipyard Ltd.
First Built 1966
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Frequently Asked Questions

What is the Offshore 50 Cheoy Lee's sail area to displacement ratio?

The Offshore 50 Cheoy Lee has a Sail Area to Displacement ratio (SA/D) of 17.67. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Offshore 50 Cheoy Lee's comfort ratio?

The Offshore 50 Cheoy Lee has a Ted Brewer Comfort Ratio of 43.13. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Offshore 50 Cheoy Lee safe for offshore sailing?

The Offshore 50 Cheoy Lee has a Capsize Screening Formula value of 1.63. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Offshore 50 Cheoy Lee?

The theoretical hull speed of the Offshore 50 Cheoy Lee is 7.89 knots, calculated from its waterline length.

How much does a Offshore 50 Cheoy Lee weigh?

The Offshore 50 Cheoy Lee has a displacement of 34,000.00 lb and a length overall (LOA) of 50.33 ft.

Who designed the Offshore 50 Cheoy Lee?

The Offshore 50 Cheoy Lee was designed by Alden & Associates, first built in 1966.