Home/ Boats/ Ericson Yachts (Usa)/ Ericson 31 Independence
Sailboat Specifications

Ericson 31 Independence

Masthead Sloop · Fin W/Transom Hung Rudder

Designed by Bruce King · Built by Ericson Yachts (Usa) · First built 1977

+ Add to Compare
LOA 30.92 ft  ·  Beam 10.42 ft  ·  Displacement 11,400.00 lb  ·  Sail Area 457  ·  Masthead Sloop  ·  Fin W/Transom Hung Rudder
About the Ericson 31 Independence Sailboat

Built during Ericson's golden era of production sailboats, the Independence represents the yard's commitment to creating capable cruising vessels that don't sacrifice performance for comfort. This 31-footer emerged as part of Ericson's broader lineup targeting sailors who wanted a boat substantial enough for serious coastal cruising while remaining manageable for a small crew. The Independence showcases classic Ericson design philosophy with clean lines and a moderate displacement hull that balances speed with stability. Her underbody configuration provides predictable handling characteristics that inspire confidence in varying conditions, making her well-suited for weekend coastal adventures and extended cruising along protected waters. Like many Ericson models from this period, the Independence benefits from thoughtful accommodation planning that maximizes livability within her modest length. The interior typically features a practical galley arrangement and comfortable sleeping quarters that make extended time aboard genuinely pleasant. While not designed as a pure racing machine, the Independence possesses enough performance capability to keep pace in club racing while excelling as a coastal cruiser. Her reputation centers on being a solid, dependable sailboat that rewards good seamanship with reliable service, embodying the practical cruising philosophy that made Ericson a respected name among recreational sailors.

Videos
Dimensions & Specifications
LOA (Length Overall) 30.92 ft / 9.42 m
LWL (Waterline Length) 23.92 ft / 7.29 m
Beam 10.42 ft / 3.18 m
Max Draft 4.92 ft / 1.50 m
Displacement 11,400.00 lb / 5,171 kg
Ballast 4,500.00 lb / 2,041 kg
Sail Area (Reported) 457
Headroom 6.08 ft / 1.85 m
Design & Construction
Hull Type Fin w/transom hung rudder
Rigging Type Masthead Sloop
Construction FG
Designer Bruce King
Builder Ericson Yachts (USA)
First Built 1977
Last Built 1981
Number Built 70
Owner Reviews

No owner reviews yet — be the first to share your experience with this boat.

Engine & Accommodations
Horsepower 20
Fuel Capacity 35 gals / 132 L
Water Capacity 45 gals / 170 L
Frequently Asked Questions

What is the Ericson 31 Independence's sail area to displacement ratio?

The Ericson 31 Independence has a Sail Area to Displacement ratio (SA/D) of 14.49. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Ericson 31 Independence's comfort ratio?

The Ericson 31 Independence has a Ted Brewer Comfort Ratio of 29.85. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Ericson 31 Independence safe for offshore sailing?

The Ericson 31 Independence has a Capsize Screening Formula value of 1.86. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Ericson 31 Independence?

The theoretical hull speed of the Ericson 31 Independence is 6.55 knots, calculated from its waterline length.

How much does a Ericson 31 Independence weigh?

The Ericson 31 Independence has a displacement of 11,400.00 lb and a length overall (LOA) of 30.92 ft.

Who designed the Ericson 31 Independence?

The Ericson 31 Independence was designed by Bruce King, first built in 1977.