- Length
- 12.75 m
- Beam
- 3.91 m
- Draft
- 1.83 m
- Sail area
- 93.55 m²
Specifications
Dimensions & displacement6
- Length overall
- 12.75 m
- Waterline length
- 10.29 m
- Beam
- 3.91 m
- Draft
- 1.83 m
- Displacement
- 12,066 kg
- Ballast
- 3,670 kg
Sails & rig2
- Rig type
- Sloop, masthead rig
- Sail area
- 93.55 m²
Engine & propulsion3
- Engine power
- 50 hp
- Engine type
- Diesel
- Engine model
- Volvo MD 22
Hull & construction2
- Hull material
- Fibreglass
- Keel type
- Fin keel, skeg-hung rudder
Tanks2
- Fuel tank
- 454 L
- Fresh water tank
- 591 L
Production & design5
- Production started
- 1997
- Production ended
- 1997
- Builder
- Oyster Marine
- Builder country
- United Kingdom
- Designer
- Kim Holman
Performance ratios7
- Sail area / displacement
- 18.15
- Displacement / length
- 308.64
- Ballast / displacement
- 30.4 %
- Comfort ratio
- 37.99
- Capsize screening
- 1.72
- Hull speed
- 7.79 kn
- Load per cm of immersion
- 276.3 kg/cm
Yacht photography
Years, generations and variants
Oyster 421 generation
01
1997–1997