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Sailboat Specifications

Irwin Avanti 42

Masthead Sloop · Keel/Cbrd.

Designed by Ted Irwin · Built by Irwin Yachts · First built 1975

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LOA 42.50 ft  ·  Beam 13.33 ft  ·  Displacement 26,000.00 lb  ·  Sail Area 852.00 ft²  ·  Masthead Sloop  ·  Keel/Cbrd.
About the Irwin Avanti 42 Sailboat

Built during Irwin Yachts' active production years, this 42-foot sailboat represents the builder's approach to combining performance-oriented sailing with practical cruising capabilities. The Avanti 42 carries the design DNA typical of late 20th-century American production sailboats, emphasizing comfortable accommodations without sacrificing sailing ability. While detailed specifications remain elusive, the boat's name suggests performance aspirations, and the size indicates serious cruising potential. Irwin Yachts built a reputation for producing well-constructed fiberglass sailboats that appealed to sailors seeking reliable platforms for both coastal exploration and longer passages. The company's boats generally featured practical layouts optimized for live-aboard comfort and extended cruising. Given its size and pedigree, the Avanti 42 likely offers the versatility to handle diverse sailing applications, from weekend coastal sailing to more ambitious offshore passages. The boat would appeal to sailors seeking a mature design with proven construction methods, though potential buyers should expect the typical maintenance considerations that come with older fiberglass sailboats. For those researching this model, connecting with existing owners through sailing forums may provide valuable insights into real-world performance and reliability characteristics.

Dimensions & Specifications
LOA (Length Overall) 42.50 ft / 12.95 m
LWL (Waterline Length) 35.08 ft / 10.69 m
Beam 13.33 ft / 4.06 m
Max Draft 4.33 ft / 1.32 m
Displacement 26,000.00 lb / 11,793 kg
Ballast 8,000.00 lb / 3,629 kg
Sail Area (Reported) 852.00 ft² / 79.15 m²
Design & Construction
Hull Type Keel/Cbrd.
Rigging Type Masthead Sloop
Construction FG
Designer Ted Irwin
Builder Irwin Yachts
First Built 1975
Last Built 1978
Owner Reviews

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Engine & Accommodations
Fuel Capacity 170
Water Capacity 270
Frequently Asked Questions

What is the Irwin Avanti 42's sail area to displacement ratio?

The Irwin Avanti 42 has a Sail Area to Displacement ratio (SA/D) of 15.59. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Irwin Avanti 42's comfort ratio?

The Irwin Avanti 42 has a Ted Brewer Comfort Ratio of 34.22. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Irwin Avanti 42 safe for offshore sailing?

The Irwin Avanti 42 has a Capsize Screening Formula value of 1.8. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Irwin Avanti 42?

The theoretical hull speed of the Irwin Avanti 42 is 7.94 knots, calculated from its waterline length.

How much does a Irwin Avanti 42 weigh?

The Irwin Avanti 42 has a displacement of 26,000.00 lb and a length overall (LOA) of 42.50 ft.

Who designed the Irwin Avanti 42?

The Irwin Avanti 42 was designed by Ted Irwin, first built in 1975.