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Comet 30
Designer: Van De Stadt/Group Finot  ·  Builder: Costruzioni Marittime Comar (Ita)  ·  First built: 1982
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About the Comet 30

Designed by the respected Van De Stadt/Group Finot partnership and built by Italian manufacturer Costruzioni Marittime Comar beginning in 1982, this 30-foot masthead sloop represents a thoughtful balance between performance and practicality. The collaboration between Dutch design expertise and Italian craftsmanship resulted in a fiberglass yacht that has earned recognition among sailors seeking a capable coastal cruiser with spirited sailing characteristics. The Comet 30's moderate displacement of 7,168 pounds, combined with a modern fin keel configuration drawing 5.2 feet, delivers responsive handling while maintaining reasonable stability for extended coastal passages. Her sail area of 371 square feet provides adequate power across varying wind conditions, while the masthead sloop rig offers straightforward sail handling—particularly appealing to couples or small crews. With a comfort ratio of 21.42, this yacht leans toward the performance end of the spectrum, offering lively motion that experienced sailors appreciate but newcomers should consider carefully. The capsize screening formula of 2.06 suggests good stability characteristics suitable for coastal cruising and occasional offshore passages in appropriate conditions. Her 6.29-knot hull speed indicates respectable passage-making ability, while the beam of 9.9 feet provides adequate interior volume for weekend cruising or short-term live-aboard arrangements.

Core Dimensions
LOA (Length Overall) 30.00 ft / 9.14 m
LWL (Waterline Length) 22.00 ft / 6.71 m
Beam 9.90 ft / 3.02 m
Max Draft 5.20 ft / 1.58 m
Displacement 7,168.00 lb / 3,251 kg
Ballast 2,645.00 lb / 1,200 kg
Sail Area (Reported) 371.00 ft² / 34.47 m²
Design & Construction
Hull Type Fin Keel
Rigging Type Masthead Sloop
Construction FG
Designer van de Stadt/Group Finot
Builder Costruzioni Marittime Comar (ITA)
First Built 1982
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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
 183
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
 16.02
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
 36.9
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
 300.53
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
 21.42
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
 2.06
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. 6.29 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
 1.67
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. 778.22 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. 16.01
Rig Dimensions
I (Foretriangle Height) 36.80 ft / 11.22 m
J (Foretriangle Base) 12.30 ft / 3.75 m
P (Mainsail Luff) 32.10 ft / 9.78 m
E (Mainsail Foot) 9.00 ft / 2.74 m
SA Fore 226.32 ft² / 21.03 m²
SA Main 144.45 ft² / 13.42 m²
SA Total (100%) 370.77 ft² / 34.45 m²
Est. Forestay Length 38.80 ft / 11.83 m
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