BoatsSwan 391

Swan 391

Masthead Sloop · Fin keel, spade rudder · 1981–1987

A Ron Holland-designed masthead sloop built for performance, featuring a stiff fin-keel hull and a 2.19m draft

Designed by Ron Holland, built by Nautor.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/spade Rudder

Is it for you?

Character

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

LivelySea-kindly

Her moderate displacement on a moderate beam gives 29 — a moderate, middle-of-the-road motion.

Comfort ratio 29
CoastalBluewater

1.87 — just under the 2.0 offshore line; her beam is modest for her weight.

Capsize screening 1.87
LightHeavy

233 — moderately heavy for her waterline, a balanced cruising weight.

Displacement / length 233
EasygoingPowered-up

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

Sail area / displacement 17.4
TenderStiff

36% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 36%

A capable cruiser that sits just inside the offshore line — coastal work with real passages in her.

  • Draws more than ~86% of boats her size on file

Compared with 2815 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
36.0%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
17.4
Displacement / length
233.1
Comfort ratio
29.0
Capsize screening
1.87
Hull speed
7.7 kn
Pounds / inch immersion
1468
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Ballast type
Lead
Production
Years built
1981–1987
Units built
52
Designer
Ron Holland
Builder
Nautor

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.

Beneteau 4012.14 mSame hull familyNear-identical lengthA 2007 Berret-Racoupeau design with a 1.9m draft, also marketed internationally as the Oceanis 40 and Moorings 41.3
Beneteau Oceanis 4012.15 mSame hull familyNear-identical lengthA spacious fractional sloop from Berret-Racoupeau featuring a versatile optional shallow draft keel
Dufour Yachts 405 Grand Large12.17 mSame hull familyNear-identical lengthA 12-meter cruiser featuring a 2.03m fin keel and a balanced displacement-to-ballast ratio for stable coastal passages
J/40 Classic12.19 mSame hull familyNear-identical lengthA 12.19-metre masthead sloop with a 1.98m draft, balanced for offshore cruising and production stability
Hunter Marine 40.5 Legend12.24 mSame hull familyNear-identical lengthA B&R rigged cruiser featuring a shoal-draft wing keel designed for stable, comfortable coastal passage making
Beneteau First 3812.25 mSame hull familyNear-identical lengthA Jean Berret-designed masthead sloop built for performance, offered with multiple keel and rig configurations

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

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