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Sun Odyssey 44I Perf Jeanneau
Designer: P. Briand  ·  Builder: Jeanneau (Fra)  ·  First built: 2009
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About the Sun Odyssey 44I Perf Jeanneau

Designed by Philippe Briand and launched in 2009, this performance-oriented cruiser represents Jeanneau's commitment to blending speed with comfort in their Sun Odyssey line. The 44I Perf strikes an appealing balance between racing capability and cruising practicality, making it well-suited for both competitive sailing and extended coastal or offshore passages. The boat's fractional sloop rig and fin keel with bulb configuration contribute to its responsive handling characteristics, while the generous sail area of 1,121 square feet provides excellent light-air performance. With a SA/Displacement ratio of 23.01, this yacht offers spirited performance without sacrificing the stability needed for comfortable cruising. The hull speed of 8.21 knots reflects the efficient waterline length, allowing for respectable passage times. At 21,892 pounds displacement with 6,316 pounds of ballast, the 44I Perf maintains good stability while remaining nimble enough for club racing or spirited day sailing. The comfort ratio of 24.49 suggests a boat that won't pound excessively in a seaway, while the capsize screening formula of 2.05 indicates reasonable offshore capability. French construction quality from Jeanneau ensures reliable fiberglass construction throughout, making this an attractive option for sailors seeking performance without compromising cruising comfort.

Core Dimensions
LOA (Length Overall) 45.11 ft / 13.75 m
LWL (Waterline Length) 37.57 ft / 11.45 m
Beam 14.34 ft / 4.37 m
Max Draft 7.54 ft / 2.30 m
Displacement 21,892.00 lb / 9,930 kg
Ballast 6,316.00 lb / 2,865 kg
Sail Area (Reported) 1,121.00 ft² / 104.14 m²
Design & Construction
Hull Type Fin Keel w/bulb
Rigging Type Fractional Sloop
Construction FG
Designer P. Briand
Builder Jeanneau (FRA)
First Built 2009
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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
 23.01
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
 28.85
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
 184.3
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
 24.49
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
 2.05
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 8.21 kn
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
 3.07
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 1,925.03 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 18.37
Rig Dimensions
I (Foretriangle Height) 55.77 ft / 17.00 m
J (Foretriangle Base) 15.26 ft / 4.65 m
P (Mainsail Luff) 53.97 ft / 16.45 m
E (Mainsail Foot) 17.39 ft / 5.30 m
SA Fore 425.53 ft² / 39.53 m²
SA Main 469.27 ft² / 43.60 m²
SA Total (100%) 894.80 ft² / 83.13 m²
Est. Forestay Length 57.82 ft / 17.62 m
Engine & Accommodations
Engine Make Yanmar
Engine Type Diesel
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