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Oyster 42 is a Offshore deck saloon cruising sailboat built by Oyster and designed by Holman & Pye. Her first hull was built in 1996 and a Deck stepped mast mast configuration.

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OYSTER 42 Sailboat Specifications​


Overall Length (LOA) m / ft12.75 m / 41.83 ft
Builder(s)Oyster Marine
Designer(s)Holman & Pye
categoryOffshore deck saloon cruising sailboat
CountryUnited Kingdom
Hull TypeMonohull
Number of Hulls Built7
First Hull Built1996
Last Hull Built2002
AppendagesKeel fin without bulb
HelmSingle helm wheel
RudderSingle rudder on skeg
CockpitClosed aft cockpit
Rigging TypeSloop Marconi masthead
Mast LayoutDeck stepped mast
Freshwater Tank Capacity lt/gal600 L / 158.5 gal
Ballast Ratio30.41


Overall Length (LOA) 12.75 m / 41.83 ft
Hull Length12.75 m / 41.10 ft
Waterline Length (LWL)10.3 m / 33.10 ft
Beam (width)3.9 m / 12.10 ft
Draft1.85 m / 6.1 ft
Light Displacement (MLC) 12000 kg / 26455 lb
Maximum Displacement12066 kg / 26600 lb
Ballast Weight3670 kg / 8091 lb


Critical Hull Speed7.79 knots
Capsize Screening Formula (CSF)1.72
Comfort Ratio37.99
Displacement-Length Ratio (DLR)311
Ballast Ratio30.41
Sail Area to Displacement18.15
Upwind Sail Area to Displacement17.84 m²/T / 192 ft²/T

Above Deck

Mast LayoutDeck stepped mast
Rotating SparsNo
Number of Levels of Spreaders2
Spreaders AngleSwept-back
Spars ConstructionAluminum spars
Standing Rigging1x19 strand wire
Reported Sail Area93.55 m² / 1007.00 ft²
Upwind Sail Area93.5 m² / 1006 ft²

Engine Room

Engine(s)1 inboard engine
Engine(s) Power50 HP
Fuel typeDiesel
Fuel Tank Capacity450 L / 118.9 gal