- Length
- 12.4 m
- Beam
- 3.93 m
- Draft
- 1.73 m
Specifications
Dimensions & displacement6
- Length overall
- 12.4 m
- Waterline length
- 10.16 m
- Beam
- 3.93 m
- Draft
- 1.73 m
- Displacement
- 8,844 kg
- Ballast
- 3,545 kg
Sails & rig1
- Rig type
- Ketch, masthead rig
Engine & propulsion3
- Engine power
- 75 hp
- Engine type
- Diesel
- Engine model
- Perkins 4.236M
Hull & construction2
- Hull material
- Fibreglass
- Keel type
- Fin keel, skeg-hung rudder
Tanks2
- Fuel tank
- 100 L
- Fresh water tank
- 140 L
Production & design6
- Production started
- 1978
- Production ended
- 1984
- Hulls built
- 43
- Builder
- Oyster Marine
- Builder country
- United Kingdom
- Designer
- Holman & Pye
Performance ratios6
- Displacement / length
- 235.02
- Ballast / displacement
- 40.1 %
- Comfort ratio
- 28.16
- Capsize screening
- 1.92
- Hull speed
- 7.74 kn
- Load per cm of immersion
- 274.2 kg/cm
Yacht photography
Years, generations and variants
Oyster 391 generation
01
1978–1984