BoatsCal 39 MK III

Cal 39 MK III

Masthead Sloop · Fin keel, spade rudder · First built 1983

An evolution of the MK II series, this masthead sloop offers optional tall rig and shoal draft configurations

Designed by C. William Lapworth, built by Bangor Punta.

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 31 — a sea-kindly motion in a seaway.

Comfort ratio 31
CoastalBluewater

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

Capsize screening 1.80
LightHeavy

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

Displacement / length 257
EasygoingPowered-up

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

Sail area / displacement 16.2
TenderStiff

37% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 37%

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

  • Draws more than ~78% of boats her size on file

Compared with 2906 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
36.8%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
16.2
Displacement / length
256.9
Comfort ratio
31.4
Capsize screening
1.80
Hull speed
7.6 kn
Pounds / inch immersion
1376
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Ballast type
Lead
Production
Years built
First built 1983
Designer
C. William Lapworth
Builder
Bangor Punta

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.

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
RM Yachts 118011.80 mSame hull familyNear-identical lengthA Marc Lombard-designed performance cruiser featuring a wide beam, dual rudders, and a powerful cutter rig
Sabre Yachts 38 MKII11.79 mSame hull familyNear-identical lengthA 1988-1995 production cruiser with a 1.98m draft and a skeg-mounted rudder for offshore stability
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
Sadler Yachts 3811.79 mSame hull familyNear-identical lengthA Stephen Jones-designed masthead sloop with a fin keel and spade rudder, built for performance cruising.
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

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

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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