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Tartan 4300
Designer: Tim Jackett  ·  Builder: Tartan  ·  First built: 2008
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About the Tartan 4300

Designed by Tim Jackett and launched in 2008, this 43-footer represents Tartan's commitment to blending performance with comfortable cruising capabilities. The 4300 features a modern fin keel and spade rudder configuration that delivers responsive handling while maintaining the stability expected from this respected American builder. With a displacement of 21,775 pounds and 6,750 pounds of ballast, the boat strikes an effective balance between seaworthiness and performance. The masthead sloop rig carries 994 square feet of sail area, providing ample power for both coastal cruising and offshore passages. A beam of 12.5 feet creates generous interior volume without compromising the boat's sailing characteristics. The design's sail area to displacement ratio of 20.47 indicates spirited performance in moderate conditions, while the comfort ratio of 29.54 suggests this yacht leans toward the performance end of the cruising spectrum. The capsize screening formula of 1.79 falls within acceptable limits for offshore work, making the 4300 suitable for serious coastal cruising and capable of handling longer passages. Tartan's reputation for quality fiberglass construction and attention to detail makes this model appealing to sailors seeking a well-built vessel that won't sacrifice sailing enjoyment for comfort.

Core Dimensions
LOA (Length Overall) 43.08 ft / 13.13 m
LWL (Waterline Length) 37.86 ft / 11.54 m
Beam 12.50 ft / 3.81 m
Max Draft 8.25 ft / 2.51 m
Displacement 21,775.00 lb / 9,877 kg
Ballast 6,750.00 lb / 3,062 kg
Sail Area (Reported) 994.00 ft² / 92.35 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Tim Jackett
Builder Tartan
First Built 2008
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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
 72
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
 20.47
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
 31
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
 179.13
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
 29.54
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
 1.79
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. 8.25 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
 3.39
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. 1,690.97 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. 20.48
Rig Dimensions
I (Foretriangle Height) 57.58 ft / 17.55 m
J (Foretriangle Base) 17.50 ft / 5.33 m
P (Mainsail Luff) 54.00 ft / 16.46 m
E (Mainsail Foot) 18.17 ft / 5.54 m
SA Fore 503.83 ft² / 46.81 m²
SA Main 490.59 ft² / 45.58 m²
SA Total (100%) 994.42 ft² / 92.38 m²
Est. Forestay Length 60.18 ft / 18.34 m
Mast Height (DWL) 64.75 ft / 19.74 m
Engine & Accommodations
Engine Make Volvo
Engine Type Diesel; Saildrive
Horsepower 55
Fuel Capacity 60 gals / 227 L
Water Capacity 120 gals / 454 L
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