Masthead Sloop · Fin With Rudder On Skeg · First built 1970
An Alan Hill-designed masthead sloop featuring a fin keel and skeg-hung rudder, built for stability since 1970
Designed by Alan F. Hill, built by Marine Construction.
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.
LivelyComfort 21Sea-kindly
CoastalCapsize 1.98Bluewater
LightD/L 283Heavy
EasygoingSA/D 14.7Powered-up
TenderBallast 43%Stiff
A capable cruiser that sits just inside the offshore line — coastal work with real passages in her.
The record
Full specifications
The complete reference set — tap any figure to switch between metric and imperial.
Dimensions
Weights
Ballast / displacement
43.4%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
14.7
Displacement / length
282.7
Comfort ratio
20.9
Capsize screening
1.98
Hull speed
6.0 kn
Pounds / inch immersion
607
Hull
Hull type
Fin with rudder on skeg
Construction
Fiberglass
Production
Years built
First built 1970
Units built
300
Designer
Alan F. Hill
Builder
Marine Construction
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.
Colvic Ltd. Sailor 268.21 mSame hull family0.5 m longerA twin-keeled masthead sloop with hulls molded by Colvic and finished by various yards, including Atlanta Marine
Puma 277.95 mSame hull family0.2 m longerA Ron Holland-designed masthead sloop with a fin keel and spade rudder, built for performance-oriented coastal cruising
Albin Marine AB Vega 278.25 mSame hull family0.5 m longerScandinavia's most popular production yacht of her size, this 8.25-metre masthead sloop defined coastal cruising from 1965 to 1979
Galion 226.71 mSame hull family1.0 m shorterDesigned by Ian Hannay, this fractional sloop proved her mettle by winning both the Round the Island and JOG races in 1968
Pearson Yachts 27 (Triton 27)8.23 mSame hull family0.5 m longerA Doug Peterson-influenced masthead sloop built from US Yachts molds, offering a light-displacement cruiser profile