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129data points analyzed by Sailpages.com to compile this NAUTICAT 43 buyer’s report
NAUTICAT 43

NAUTICAT 43

Siltala Yachts🇫🇮· Design: Sparkman & Stephens
$133,753 avg$95,000 – $178,500 (6 listings)1983–1999
$3.1K – $8.4K est. annual maintenance
Bluewater CruisermonoStaysail KetchFin

Specifications

Hull

LOA42.67 ft
LWL32.83 ft
Beam13.75 ft
Draft6.25 ft
Displacement33,100 lb
Ballast9,400.4 lb
Hull speed1.34·√LWL7.7 kn

Rig & Sails

Iforetriangle height52.25 ft
Jforetriangle base19.16 ft
Pmainsail luff47.74 ft
Emainsail foot13.94 ft
PYmizzen luff29.69 ft
EYmizzen foot8.53 ft
FLforestay19.2 ft
Mainsail859.9 sq ft
Jib (100%)500.6 sq ft
Spinnaker850.9 sq ft

About the NAUTICAT 43

S&S #2239. Based on the earlier NAUTOR 43.

Performance

Comfort43.6
Capsize1.72
SA/Disp17.1
Disp/Len418
Bal/Disp28.4

ORC Performance Data(1 certificate)

Measured performance data from ORC (Offshore Racing Congress) certificates.

Polar Diagram

2468100°30°60°90°120°150°180°WIND
4kn6kn8kn10kn12kn14kn16kn20kn24knbeat VMGrun VMG

Boat speed (kn) vs. true wind angle. Source: ORC

Racing Ratings

GPH638.1 s/miOSN620.8

Triple Number

LowMedHighOffshore0.82181.06101.1854Inshore0.63530.85200.9802

ORC Measured

Displacement15001 kg (33077 lb)Wetted surface38.8 m² (418 ft²)Stability index-1.0

Sail Areas (ORC)

Main41.3 m² (444 ft²)Genoa51.3 m² (552 ft²)Asymmetric147.3 m² (1585 ft²)

Speed Table (kn)

TWA \ TWS468101214162024
52°3.75.05.96.57.07.27.37.57.5
60°4.05.36.26.87.27.47.57.77.7
75°4.25.56.47.07.47.67.88.08.1
90°4.25.76.77.37.67.87.98.18.3
110°4.35.86.97.57.88.18.38.68.9
120°4.15.66.77.47.88.08.38.89.2
135°3.75.16.27.07.57.88.18.79.3
150°3.04.35.46.37.07.47.78.28.7
Beat VMG2.43.23.94.44.75.05.15.25.1
Run VMG2.63.74.75.46.06.56.97.58.0

Estimated Value

Low Confidence
Based on 6 listings
Low
$101,707
Estimated Value
$108,596
High
$115,337
Inflation-adjusted to 2026 USD

Asking price by model year

6 listings · boat years 19831986 · median $115,000

$0$50k$100k$150k$200kmedian $115,00019851983 Nauticat 43 · $178,500 · WA, US1986 43 · $145,000 · CA, US1985 43 · $95,000 · CA, US1984 Nauticat 43 · $113,168 · Greece1986 Nauticat 43 · $100,110 · Denmark1986 Nauticat 43 · $115,000Asking price (USD)Boat model year

Each dot is one listing · hover for details · dashed red line marks the median · obvious data-entry outliers (top & bottom 2.5%) excluded.

Estimated Cost of Ownership

Based on 42.67ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$3.1K – $8.4K
Hull, rigging, sails, engine service
Annual Docking
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Known Issues & Pre-Purchase Inspection

We don't have enough data on the NAUTICAT 43yet to publish model-specific findings we'd stand behind — but here's a free general inspection checklist, built from our research into what actually goes wrong on boats of this kind.

Drawn from 7,029 documented issues across 2,391 models, ordered so the areas that most often turn up problems come first.

1Structural & Bulkheads9732Standing Rigging6403Deck & Topsides6404Keel & Keel Bolts5535Rudder & Steering5086Hull & Bottom377
Free general pre-purchase checklist
25 survey areas — hull, keel, rig, engine, electrical and more. Take it aboard when you view any boat.

Own a NAUTICAT 43? Reports from owners are what turn this into a model-specific checklist — and they're the reason the boats above it have one.

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Which engine powers your NAUTICAT 43?

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Used sails that fit the NAUTICAT 43

Checking eBay for sails sized to this boat's rig…