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Andrews 39
Designer: Alan Andrews  ·  Builder: Dencho Marine  ·  First built: 1983
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About the Andrews 39

Designed by naval architect Bruce Andrews, this 39-foot sailboat represents solid craftsmanship from an era when builders focused on seaworthy construction and practical sailing performance. Andrews, known for creating robust cruising designs, developed this model to appeal to sailors seeking a capable vessel for extended coastal passages and comfortable living aboard. Built with traditional construction methods, the Andrews 39 features a moderate displacement hull that balances performance with stability. The design emphasizes seaworthiness over pure speed, making it well-suited for serious cruising sailors who prioritize comfort and safety during longer passages. The boat's proportions suggest good interior volume while maintaining respectable sailing characteristics. While not as widely produced as some contemporary designs, the Andrews 39 has earned respect among cruising enthusiasts for its honest sailing qualities and practical layout. The design reflects Andrews' philosophy of creating boats that perform reliably in varied conditions without demanding exceptional sailing skills from their crews. For sailors considering coastal cruising or offshore passages, this design offers the kind of proven seaworthiness that builds confidence in challenging conditions, though prospective buyers should thoroughly inspect any example given the boat's age and limited production numbers.

Core Dimensions
LOA (Length Overall) 39.42 ft / 12.02 m
LWL (Waterline Length) 32.42 ft / 9.88 m
Beam 12.42 ft / 3.79 m
Max Draft 6.67 ft / 2.03 m
Displacement 12,700.00 lb / 5,761 kg
Ballast 6,000.00 lb / 2,722 kg
Sail Area (Reported) 820.00 ft² / 76.18 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Alan Andrews
Builder Dencho Marine
First Built 1983
Related Sailboats ["J39" · "Farr 395" · "X 119" · "Cc 37 2" · "Swan 39"]
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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
41
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
24.19
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
19.84
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
2.13
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. 7.63
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
4.01
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. 1.0
Rig Dimensions
I (Foretriangle Height) 47.9
J (Foretriangle Base) 13.83
P (Mainsail Luff) 52.16
E (Mainsail Foot) 18.73
SA Fore 331.23
SA Main 488.48
How It Compares

vs. Cc 37 2, Farr 395, X 119

This boat Similar boats
Dimensions
LOA
Andrews 39 ★
39.4 ft
Cc 37 2
39.5 ft
Farr 395
39.4 ft
X 119
39.4 ft
LWL
Andrews 39 ★
32.4 ft
Cc 37 2
31.8 ft
Farr 395
34.1 ft
X 119
33.6 ft
Beam
Andrews 39 ★
12.4 ft
Cc 37 2
12.6 ft
Farr 395
12.2 ft
X 119
10.7 ft
Displacement
Andrews 39 ★
12 lbs
Cc 37 2
16 lbs
Farr 395
12 lbs
X 119
11 lbs
Ballast
Andrews 39 ★
6 lbs
Cc 37 2
6 lbs
Farr 395
4 lbs
X 119
4 lbs
Sail Area
Andrews 39 ★
820 sq ft
Cc 37 2
770 sq ft
Farr 395
X 119
794 sq ft
Performance
PHRF Rating (lower = faster)
Andrews 39 ★
41 s/nm
Cc 37 2
Farr 395
33 s/nm
X 119
57 s/nm
SA / Displacement (higher = more powerful)
Andrews 39 ★
24.2
Cc 37 2
19.5
Farr 395
X 119
25.1
Ballast / Disp (higher = stiffer)
Andrews 39 ★
Cc 37 2
Farr 395
36.6 %
X 119
42.3 %
Comfort Ratio (higher = more comfortable offshore)
Andrews 39 ★
19.8
Cc 37 2
24.9
Farr 395
X 119
21.4
Capsize Screening (lower = safer)
Andrews 39 ★
2.13
Cc 37 2
2.00
Farr 395
X 119
1.90
Displacement / Length (lower = lighter)
Andrews 39 ★
Cc 37 2
Farr 395
140
X 119
134
Hull Speed
Andrews 39 ★
7.6 kts
Cc 37 2
7.6 kts
Farr 395
X 119
7.8 kts
Speed Number (higher = faster)
Andrews 39 ★
4.0
Cc 37 2
2.7
Farr 395
X 119
4.7
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