BoatsHelms 24

Helms 24

Masthead Sloop · Fin w/transom Hung Rudder · First built 1977

A 1977 masthead sloop with a transom-hung rudder and a 44% ballast ratio for stable coastal sailing

Designed by Stuart Windley, built by Jack A. Helms Co.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/transom Hung 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 beamy beam gives 16 — a quick, lively motion that feels every wave.

Comfort ratio 16
CoastalBluewater

2.19 — right around the 2.0 line, the edge between coastal and offshore.

Capsize screening 2.19
LightHeavy

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

Displacement / length 207
EasygoingPowered-up

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

Sail area / displacement 16.9
TenderStiff

44% of her weight is ballast — stiff, standing up well to her sails.

Ballast 44%

A balanced, easily-driven cruiser — comfortable and forgiving for coastal work.

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
44.0%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
16.9
Displacement / length
207.5
Comfort ratio
16.4
Capsize screening
2.19
Hull speed
6.1 kn
Pounds / inch immersion
657
Hull
Hull type
Fin w/transom hung rudder
Construction
Fiberglass
Ballast type
Lead
Production
Years built
First built 1977
Units built
750
Designer
Stuart Windley
Builder
Jack A. Helms Co, Helms - Jack A. Helms Co

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.

Jeanneau Sun Odyssey 24.27.30 mSame hull familyNear-identical lengthA Jacques Fauroux-designed fractional sloop built for coastal cruising with a stable fin-and-bulb keel
Cal 257.62 mSame hull family0.3 m longerA flush-deck masthead sloop featuring a pop-top companionway that became one of the most popular models in the fleet
Martinique 257.70 mSame hull family0.4 m longerA Brazilian-built masthead sloop with a 44% ballast ratio, offering a stiff and stable platform for coastal cruising
Jeanneau Sun Odyssey 267.47 mSame hull family0.2 m longerA Philippe Briand-designed fractional sloop built for coastal cruising with a stiff, stable hull form
Maxi Yachts 777.70 mSame hull family0.4 m longerThe most popular model in the builder's history, offering both inboard and outboard engine options for versatile cruising
Halcyon 236.93 mSame hull family0.4 m shorterA triple-keeled masthead sloop by Alan H. Buchanan, offering shallow-draft versatility based on the earlier Crystal 23

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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