Non Spin/HSFClub Certificate2026
MiriaNOR 4753
Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles45.9°43.1°41.3°40.1°39.1°38.8°38.6°38.8°40.0°
Beat VMG2.042.893.473.914.194.334.404.414.31
52°3.204.385.165.675.966.116.196.246.20
60°3.424.595.375.846.106.266.356.426.41
75°3.574.715.515.986.246.416.546.716.77
90°3.454.615.435.966.266.476.646.927.12
110°2.924.165.075.776.206.476.707.137.48
120°2.753.984.895.626.106.406.657.127.55
135°2.403.564.485.235.816.206.466.927.41
150°2.023.063.974.725.365.876.226.687.14
Run VMG1.752.653.454.154.785.355.826.416.83
Gybe Angles144.8°148.4°153.2°161.9°169.0°173.6°177.4°179.2°179.2°
APH ToD:690.0CDL: 6.683APH ToT: 0.8695CertNo:674550
BOAT
ClassUFO 31DesignerHOLMAN&PYEBuilderCOLVIC CRAFTAge date01/1979Series date01/1976Offset fileH044.bofData file674550
HULL
Length Overall9.400 mMaximum Beam3.056 mDraft1.724 mDisplacement3,966 kgDLR10.1220IMS DivisionCruiser/RacerDynamic Allowance0.640%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight441 kg(default)Minimum weight311 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.0317.20Headsail Luffed28.8828.88Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.18Storm Jib6.88Heavy Weather Jib18.58
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 54.5 kg·m Stability Index 123.5
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
ORC Ref  03440004NU3 Issued on 30/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MiriaNOR 4753
Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1764.61247.81036.3921.8858.9830.9819.0815.5835.3
52°1126.0822.3697.7635.0604.4589.0581.3577.1580.3
60°1051.4784.2669.9616.6589.9575.5567.0560.8561.4
75°1009.6764.0652.8602.3577.0561.3550.2536.3532.0
90°1043.8780.1663.1604.2575.1556.8542.6520.6505.6
110°1231.6865.1709.8623.9580.6556.1537.0504.8481.0
120°1308.3904.9735.6640.1590.0562.2541.6505.8477.0
135°1501.41012.2803.2688.6619.4581.0557.3519.9485.9
150°1778.31177.7907.3762.9671.1613.3579.2538.6504.5
Run VMG2053.31359.91044.4867.3753.1672.8618.7561.8527.0
Selected Courses
Windward / Leeward1909.01303.91040.3894.5806.0751.8718.9688.7681.2
All purpose1437.21004.9818.5718.4661.4628.6608.5585.5574.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward846.60.7087
All purpose690.00.8695
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance752.10.7978
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6432
Downwind "popa"0.7145
70% up, 30% down "Ilhabela"0.6630
30% up, 70% down "Ilhabela-inverso"0.6915
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Predominantly Upwind734.10.8173
Predominantly Downwind717.20.8366
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP718.40.8351 Predom. Rc High558.91.0735 5B SF Bay L/M945.00.6349 TriNum AP Low911.70.6581 Predom. Dn Low1157.20.5185 5B SF Bay Med795.90.7539 TriNum AP Med685.40.8754 Predom. Dn L/M827.80.7248 5B SF Bay M/H712.00.8427 TriNum AP High604.90.9919 Predom. Dn Med687.40.8728 5B SF Bay High683.20.8783 TriNum W/L Low1231.20.4873 Predom. Dn M/H603.60.9940 5B AP Low1030.60.5822 TriNum W/L Med841.50.7130 Predom. Dn High565.41.0612 5B AP L/M787.50.7619 TriNum W/L Hig715.80.8382 ChiMac Up Low939.10.6389 5B AP Med674.10.8901 Predom. Upwind765.50.7838 ChiMac Up Med841.70.7129 5B AP M/H612.40.9797 Predom. Reaching693.30.8654 ChiMac Up High730.40.8215 5B AP High587.51.0213 Predom. Downwind755.70.7940 ChiMac Off Low978.60.6131 5B W/L Low1389.30.4319 Predom. Up Low1076.40.5574 ChiMac Off Med851.50.7047 5B W/L L/M993.20.6041 Predom. Up L/M811.70.7392 ChiMac Off High703.40.8530 5B W/L Med823.90.7282 Predom. Up Med707.50.8481 ChiMac AP Low952.40.6300 5B W/L M/H726.70.8257 Predom. Up M/H655.70.9151 ChiMac AP Med842.00.7126 5B W/L High692.60.8663 Predom. Up High639.70.9380 ChiMac AP High714.00.8403 W/L 60-40 Low1376.20.4360 Predom. Rc Low991.80.6050 BayMac Cove Island1102.90.5440 W/L 60-40 L/M994.70.6032 Predom. Rc L/M741.70.8090 BayMac Shore1090.90.5500 W/L 60-40 Med834.40.7191 Predom. Rc Med640.80.9363 Harvest Moon609.90.9838 W/L 60-40 M/H746.10.8042 Predom. Rc M/H584.91.0258 5B SF Bay Low1159.50.5175 W/L 60-40 High718.00.8357      SA/DSPL Up18.24SA/DSPL Dn18.24
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance752.10.7978
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance752.10.7978
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance752.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating752.10.7978
FinRating, kevyt tuuli1374.70.7275
FinRating, kova tuuli592.80.8434
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7978
Triple Number Coastal/Long Distance Low0.6581
Triple Number Coastal/Long Distance Medium0.8756
Triple Number Coastal/Long Distance High0.9919
Triple Number Windward/Leeward Low0.5119
Triple Number Windward/Leeward Medium0.7130
Triple Number Windward/Leeward High0.8382
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
For information
General Purpose Handicap (GPH)779.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance752.10.7978
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Saronikos S All Purpose781.70.7675
Saronikos S Upwind858.50.6989
Saronikos S Downwind707.10.8486
Saronikos N All Purpose829.10.7237
Saronikos N Upwind896.70.6691
Saronikos N Downwind784.70.7646
Saronikos SW All Purpose796.80.7530
Saronikos SW Upwind885.30.6777
Saronikos SW Downwind727.10.8252
Saronikos NE All Purpose874.00.6865
Saronikos NE Upwind843.80.7111
Saronikos NE Downwind899.60.6670
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose718.40.8351
5-Band All Purpose Low1108.90.5411
5-Band All Purpose L/M815.90.7354
5-Band All Purpose Med695.30.8629
5-Band All Purpose M/H628.30.9550
5-Band All Purpose High601.20.9981
Single Number Predominant Upwind732.00.8197
Single Number Predominant Reaching663.70.9040
Single Number Predominant Downwind718.50.8351
5-Band 50-50 Windward/Leeward Low1389.30.4319
5-Band 50-50 Windward/Leeward L/M993.20.6041
5-Band 50-50 Windward/Leeward Med823.90.7282
5-Band 50-50 Windward/Leeward M/H726.70.8257
5-Band 50-50 Windward/Leeward High692.60.8663
5-Band 60-40 Windward/Leeward Low1376.20.4360
5-Band 60-40 Windward/Leeward L/M994.70.6032
5-Band 60-40 Windward/Leeward Med834.40.7191
5-Band 60-40 Windward/Leeward M/H746.10.8042
5-Band 60-40 Windward/Leeward High718.00.8357
Triple Number 50-50 Windward/Leeward Low1231.20.4873
Triple Number 50-50 Windward/Leeward Med841.60.7129
Triple Number 50-50 Windward/Leeward High715.80.8382
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward856.70.7004
Triple Number 60-40 Windward/Leeward Low1223.50.4904
Triple Number 60-40 Windward/Leeward Med850.80.7052
Triple Number 60-40 Windward/Leeward High736.80.8144
Triple Number All-Purpose Low991.30.6053
Triple Number All-Purpose Med707.50.8480
Triple Number All-Purpose High620.10.9676
Triple Number Predominant Upwind Low981.50.6113
Triple Number Predominant Upwind Med721.60.8314
Triple Number Predominant Upwind High654.50.9167
Triple Number Predominant Reaching Low895.40.6701
Triple Number Predominant Reaching Med660.40.9085
Triple Number Predominant Reaching High567.71.0569
Triple Number Predominant Downwind Low1022.50.5868
Triple Number Predominant Downwind Med704.70.8514
Triple Number Predominant Downwind High583.81.0278
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance752.10.7978
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance752.10.7978
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low911.7
Triple Number Coastal/Long Distance Medium685.2
Triple Number Coastal/Long Distance High604.9
Triple Number Windward/Leeward Low1172.1
Triple Number Windward/Leeward Medium841.5
Triple Number Windward/Leeward High715.8
Predominantly Upwind734.1
Predominantly Downwind717.2
Predominantly Reaching680.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance752.10.7978
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6581
Triple Number Coastal/Long Distance Medium0.8756
Triple Number Coastal/Long Distance High0.9919
Triple Number Windward/Leeward Low0.5119
Triple Number Windward/Leeward Medium0.7130
Triple Number Windward/Leeward High0.8382
Coastal/Long Distance0.7978
Predominantly Upwind0.8173
Predominantly Downwind0.8366
For information
General Purpose Handicap (GPH)779.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8695
Distanseseilas Trippeltall svak vind0.6581
Distanseseilas Trippeltall mellomvind0.8756
Distanseseilas Trippeltall sterk vind0.9919
Pølsebane Trippeltall svak vind0.5119
Pølsebane Trippeltall mellomvind0.7130
Pølsebane Trippeltall sterk vind0.8382
Motvind Singeltall0.8173
Medvind Singeltall0.8366
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Coastal/Long Distance752.10.7978
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind734.10.8173
Predominantly Downwind717.20.8366
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore683.40.8779
Cape Doctor Coastal577.61.0387
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6581
Triple Number Coastal/Long Distance Medium0.8756
Triple Number Coastal/Long Distance High0.9919
Triple Number Windward/Leeward Low0.5119
Triple Number Windward/Leeward Medium0.7130
Triple Number Windward/Leeward High0.8382
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6581
Triple Number Coastal/Long Distance Medium0.8756
Triple Number Coastal/Long Distance High0.9919
Triple Number Windward/Leeward Low0.5119
Triple Number Windward/Leeward Medium0.7130
Triple Number Windward/Leeward High0.8382
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance752.10.7978
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Predominantly Upwind734.10.8173
Predominantly Downwind717.20.8366
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance752.10.7978
Triple Number Coastal/Long Distance Low911.70.6581
Triple Number Coastal/Long Distance Medium685.20.8756
Triple Number Coastal/Long Distance High604.90.9919
Triple Number Windward/Leeward Low1172.10.5119
Triple Number Windward/Leeward Medium841.50.7130
Triple Number Windward/Leeward High715.80.8382
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1923.41309.5981.1808.4705.8652.5615.7562.4547.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP718.40.8351 Predom. Dn High565.41.0612 5B AP M/H612.40.9797 TriNum AP Low911.70.6581 Predom. Rc Low991.80.6050 5B AP High587.51.0213 TriNum AP Med685.40.8754 Predom. Rc L/M741.70.8090 5B SF Bay Low1159.50.5175 TriNum AP High604.90.9919 Predom. Rc Med640.80.9363 5B SF Bay L/M945.00.6349 TriNum W/L Low1231.20.4873 Predom. Rc M/H584.91.0258 5B SF Bay Med795.90.7539 TriNum W/L Med841.50.7130 Predom. Rc High558.91.0735 5B SF Bay M/H712.00.8427 TriNum W/L Hig715.80.8382 5B W/L Low1389.30.4319 5B SF Bay High683.20.8783 Predom. Upwind765.50.7838 5B W/L L/M993.20.6041 ChiMac Up Low939.10.6389 Predom. Reaching693.30.8654 5B W/L Med823.90.7282 ChiMac Up Med841.70.7129 Predom. Downwind755.70.7940 5B W/L M/H726.70.8257 ChiMac Up High730.40.8215 Predom. Up Low1076.40.5574 5B W/L High692.60.8663 ChiMac Off Low978.60.6131 Predom. Up L/M811.70.7392 W/L 60-40 Low1376.20.4360 ChiMac Off Med851.50.7047 Predom. Up Med707.50.8481 W/L 60-40 L/M994.70.6032 ChiMac Off High703.40.8530 Predom. Up M/H655.70.9151 W/L 60-40 Med834.40.7191 ChiMac AP Low952.40.6300 Predom. Up High639.70.9380 W/L 60-40 M/H746.10.8042 ChiMac AP Med842.00.7126 Predom. Dn Low1157.20.5185 W/L 60-40 High718.00.8357 ChiMac AP High714.00.8403 Predom. Dn L/M827.80.7248 5B AP Low1030.60.5822 BayMac Cove Island1102.90.5440 Predom. Dn Med687.40.8728 5B AP L/M787.50.7619 BayMac Shore1090.90.5500 Predom. Dn M/H603.60.9940 5B AP Med674.10.8901 Harvest Moon609.90.9838      SA/DSPL Up18.24SA/DSPL Dn18.24
ORC Ref  03440004NU3 Issued on 30/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MiriaNOR 4753
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassUFO 31MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.400Maximum beam3.056Draft1.724Displacement3,966Wetted area17.47IMS L7.320LSM07.317Accomod. length9.181Sink (kg/mm) 11.85
VCGD-0.070VCGM-0.025 RM Rated (kg·m) 54.5Limit of positive stability(°) 122.8 Stability Index 123.5 BLR index 0.0000Default crew weight441 Declared crew weight 0
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0056
PSD0.025PHD0.070PHL0.210
PSA25.0°ESL0.630
ST10.015ST20.080ST30.080
ST40.060ST50.150
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P10.330IG11.730ISP11.730MDT10.130MDL10.180MDT20.000MDL20.000TL0.000MW0.000GO0.000
E2.860J3.780BAS0.970FSDFoilSFJ0.000SPL3.860WPLTPS0.000BD0.000MWT0.00MCG0.000
PY0.000MDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.070Flotation Date01/01/2015
SFFP0.583FFM1.140FF1.150LCFcl5.195SG1.0000
SAFP8.857FAM0.917FA0.925LCFsh5.413HBI1.013
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440004NU3 Issued on 30/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MiriaNOR 4753
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment330-2019060414480.130.561.001.742.3617.0304/06/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment306-2019120914110.080.641.232.483.815.2011.35NoNo 28.8809/12/2019330-2019060414510.100.551.052.193.464.8211.27NoNo 25.9104/06/2019
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.2 mTable area0.44 m²Headroom1.64 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity64 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity34 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03440004NU3 Issued on 30/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org