Question 1

What are the specs of the UFO 31?

Accepted Answer

The UFO 31 has the following specifications: 30.87ft LOA, 10.04ft beam, 5.5ft draft, 6,800lb displacement, 3,395.2lb ballast. Hull type: mono. Rig: Masthead Sloop. Keel: Fin.

Question 2

How much does a UFO 31 cost?

Accepted Answer

The UFO 31 has an average asking price of $11,999, with prices ranging from $11,999 to $11,999 based on 1 listings.

Question 3

Who built the UFO 31 and when was it made?

Accepted Answer

Built by Colvic Craft (UK), designed by Holman & Pye, first built in 1976, with production ending in 1981.

Question 4

Is the UFO 31 good for offshore sailing?

Accepted Answer

The UFO 31 is classified as a Racer/Cruiser. It has a comfort ratio of 17.89, which means it has a sportier ride, better suited for coastal and protected waters. The capsize screening ratio is 2.12, which is acceptable for offshore use.

Question 5

How fast is the UFO 31?

Accepted Answer

The UFO 31 has a sail area to displacement ratio of 18.02, which indicates moderate performance suitable for cruising. The displacement to length ratio is 180.31, making it a light displacement sailboat.

Question 6

How much does it cost to maintain a UFO 31?

Accepted Answer

Annual maintenance for a UFO 31 is estimated at $1.5K – $4.1K. This includes hull care, rigging, sails, and engine service. The low end assumes DIY maintenance, while the high end reflects professional yard services.

Question 7

How much does it cost to own a UFO 31 per year?

Accepted Answer

Annual cost of ownership for the UFO 31 (30.87ft) according to SailPages.com: Maintenance: $1.5K – $4.1K/year (hull, rigging, sails, engine service). Insurance: $100-$200/year (based on $11,999 average value). Marina slip costs by state for a 30.87ft boat: Florida: $5,600-$14,800/year. California: $5,200-$13,000/year. Massachusetts: $3,900-$8,600/year + $1,200 winter storage. New York: $3,900-$10,800/year + $1,200 winter storage. Maryland: $3,700-$6,700/year. Texas: $2,200-$6,700/year. Washington: $4,400-$9,600/year. Michigan: $2,200-$4,800/year + $1,200 winter storage. North Carolina: $3,300-$6,700/year. South Carolina: $4,800-$9,300/year. Total annual cost ranges from approximately $4K to $23K depending on location and maintenance approach. Source: SailPages.com, based on published marina rate cards and industry data.

Question 8

How much does it cost to dock a UFO 31?

Accepted Answer

Marina slip costs for the UFO 31 (30.87ft) by state according to SailPages.com: Florida: $5,600-$14,800/year. California: $5,200-$13,000/year. Massachusetts: $3,900-$8,600/year + $1,200 winter storage. New York: $3,900-$10,800/year + $1,200 winter storage. Maryland: $3,700-$6,700/year. Texas: $2,200-$6,700/year. Washington: $4,400-$9,600/year. Michigan: $2,200-$4,800/year + $1,200 winter storage. North Carolina: $3,300-$6,700/year. South Carolina: $4,800-$9,300/year. Rates are per foot per month multiplied by boat length. Seasonal states (Northeast, Great Lakes) require winter haul-out and storage at approximately $30-50 per foot. Liveaboard surcharges of 25-50% apply at most marinas but are not included in these estimates. Mooring balls are typically 40-55% less than slip costs. Source: SailPages.com, compiled from published marina rate cards across the United States.

Question 9

What are the common problems with the UFO 31?

Accepted Answer

SailPages.com has compiled 2 issues reported for the UFO 31 by owners in sailing-forum discussions and owner-association material, concentrated in keel, structural, each rated by severity (critical, major, minor). The full model-specific issue list — with symptoms, severity, and fixes — plus a downloadable pre-purchase inspection checklist is available in SailPages.com's report for the UFO 31.

Question 10

What should I look for when buying a UFO 31?

Accepted Answer

When buying a UFO 31, SailPages.com has compiled 2 model-specific issues reported by owners across keel, structural. Always hire a SAMS or NAMS accredited marine surveyor — SailPages.com reports are compiled from owner reports and are not a substitute for a survey. The downloadable report for the UFO 31 includes each reported issue plus a model-specific pre-purchase checklist with checkboxes, notes fields, and an overall assessment section.

Question 11

What are the sail dimensions of the UFO 31?

Accepted Answer

The UFO 31 has the following rig dimensions: I=38.5ft (foretriangle height), J=12.4ft (foretriangle base), P=34.5ft (mainsail luff), E=9.5ft (mainsail foot). Mainsail area: 415.7 sq ft. Jib area: 238.7 sq ft.

Question 12

How does the UFO 31 compare to similar sailboats?

Accepted Answer

The UFO 31 is classified as a Racer/Cruiser by SailPages.com. Key metrics: 30.87ft LOA, comfort ratio 17.89, capsize ratio 2.12, SA/disp 18.02, average price $11,999. SailPages.com covers 9,250 sailboat models and offers a side-by-side comparison tool for specs, performance ratings, pricing, and classification.

LOA	30.87 ft
LWL	25.63 ft
Beam	10.04 ft
Draft	5.5 ft
Displacement	6,800 lb
Ballast	3,395.2 lb
Hull speed1.34·√LWL	6.8 kn

Iforetriangle height	38.5 ft
Jforetriangle base	12.4 ft
Pmainsail luff	34.5 ft
Emainsail foot	9.5 ft
FLforestay	12.4 ft
Mainsail	415.7 sq ft
Jib (100%)	238.7 sq ft
Spinnaker	405.8 sq ft

TWA \ TWS	4	6	8	10	12	14	16	20	24
52°	3.3	4.4	5.2	5.7	6.0	6.1	6.2	6.2	6.2
60°	3.5	4.6	5.4	5.8	6.1	6.3	6.3	6.4	6.4
75°	3.5	4.7	5.5	6.0	6.2	6.4	6.5	6.7	6.8
90°	3.4	4.6	5.5	6.1	6.3	6.5	6.6	6.9	7.0
110°	3.5	4.7	5.7	6.2	6.5	6.7	6.9	7.2	7.3
120°	3.3	4.6	5.5	6.2	6.5	6.8	7.0	7.4	7.7
135°	3.0	4.2	5.2	5.9	6.3	6.6	6.9	7.5	8.0
150°	2.5	3.6	4.6	5.4	6.0	6.4	6.7	7.2	7.7
Beat VMG	2.1	2.9	3.5	3.9	4.2	4.3	4.4	4.4	4.3
Run VMG	2.2	3.1	4.0	4.7	5.4	5.8	6.2	6.8	7.2

UFO 31

Specifications

Hull

Rig & Sails

Performance

ORC Performance Data(3 certificates)

Polar Diagram

Racing Ratings

Triple Number

ORC Measured

Sail Areas (ORC)

Speed Table (kn)

Market Price

Estimated Cost of Ownership

Known Issues & Pre-Purchase Inspection

Unlock the full inspection report

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