BoatsNauticat 40

Nauticat 40

Staysail Ketch · Fin With Rudder On Skeg · 1984–1993

A Sparkman & Stephens staysail ketch designed for heavy-displacement comfort and stable, long-range cruising

Designed by S&S, Sparkman & Stephens, built by Siltala Yachts.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin With Rudder On Skeg

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LivelySea-kindly

Her heavy displacement on a moderate beam gives 45 — a heavy, notably soft motion offshore.

Comfort ratio 45
CoastalBluewater

At 1.68 she sits well under the 2.0 line — a solidly ocean-capable hull for her size.

Capsize screening 1.68
LightHeavy

390 — very heavy for her waterline, a serious load-carrying cruiser.

Displacement / length 390
EasygoingPowered-up

15.5 — moderate power for her weight; steady, all-round performance.

Sail area / displacement 15.5
TenderStiff

29% of her weight is ballast — on the tender side; she'll heel readily and want a reef sooner.

Ballast 29%

Built heavy and sea-kindly — a boat made to cross oceans and forgive a rough night.

  • Heavier than ~96% of boats her size on file
  • Beamier than ~81% of boats her size on file

Compared with 2882 boats of the same type within a quarter of her length.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Ballast / displacement
28.6%
Rig & sail area
Rig
Staysail Ketch
Ratios
SA / displacement
15.5
Displacement / length
390.1
Comfort ratio
44.5
Capsize screening
1.68
Hull speed
7.7 kn
Pounds / inch immersion
1538
Hull
Hull type
Fin with rudder on skeg
Construction
Fiberglass
Production
Years built
1984–1993
Designer
S&S, Sparkman, Stephens
Builder
Siltala Yachts, Nauticat - Siltala Yachts

Boats like this, on the water

Nobody has filmed this one — but these are close.

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Nautor 3911.95 mSame hull familyNear-identical lengthA Sparkman & Stephens masthead ketch built by Nautor, designed for heavy-displacement comfort and offshore stability
Warrior 4012.00 mSame hull familyNear-identical lengthA cutter-rigged cruiser with a skeg-hung rudder and a 1.52m draft, built for steady offshore passages
Puma 38-K12.00 mSame hull familyNear-identical lengthA masthead ketch featuring a fin keel and spade rudder, offering a spirited sail area-to-displacement ratio
C&C Yachts 3911.96 mSame hull familyNear-identical lengthA 1971-1974 production masthead sloop with a moderate displacement-to-length ratio, balanced for coastal cruising
Cal Boats 4011.99 mSame hull familyNear-identical lengthA legendary offshore racer with 160 built, featuring a light displacement and a high sail-area-to-displacement ratio
Dufour Yachts 39 CC11.99 mSame hull familyNear-identical lengthA center-cockpit masthead sloop designed for comfortable cruising with a balanced 1.88m fin and bulb keel

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

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