UFO 31
Masthead Sloop • Fin w/spade rudder • Built 1976–1981
Dimensions
- LOA
- 30.87 ft
- LWL
- 25.63 ft
- Beam
- 10.04 ft
- Max Draft
- 5.5 ft
- Displacement
- 6,800 lbs
- Ballast
- 3,395 lbs
Performance Ratios
- Capsize Ratio ⓘ
- 2.12 (use caution offshore)
- SA/D Ratio ⓘ
- 18.0
- D/L Ratio ⓘ
- 180
- Ballast Ratio ⓘ
- 49.9%
Sail Plan
- Sail Area
- 403 sq ft
- I
- 38.5 ft
- J
- 12.4 ft
- P
- 34.5 ft
- E
- 9.5 ft
Construction
- Hull Type
- Fin w/spade rudder
- Rig Type
- Masthead Sloop
- Hull Material
- FG
- Ballast Type
- Iron
Production
- First Built
- 1976
- Last Built
- 1981
- Number Built
- —
Engine & Accommodations
- Engine Make
- Volvo Penta
- Power
- 20 hp
- Engine Type
- Diesel
Designers
- Kim Holman (1925–2006)
- Holman & Pye (1964–1998)
Builders
- Colvic Craft (1964–2000)
- Oyster Marine (1973)