Non Spin/HSFClub Certificate2026
CharlotteS64
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
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 Angles45.6°42.3°40.4°39.4°38.8°38.6°38.5°39.0°40.3°
Beat VMG2.283.153.744.124.314.384.414.384.27
52°3.564.735.475.876.066.156.206.206.16
60°3.804.945.656.006.196.306.366.396.38
75°3.955.065.766.116.326.476.586.696.75
90°3.834.975.726.126.366.546.706.977.15
110°3.254.455.365.976.316.556.787.217.47
120°3.004.255.175.846.236.506.747.237.63
135°2.593.804.735.496.006.316.557.027.48
150°2.183.254.124.765.365.836.156.637.09
Run VMG1.892.813.574.294.945.525.946.476.91
Gybe Angles142.6°144.2°145.2°169.6°170.8°172.0°174.4°176.2°175.5°
APH ToD:671.1CDL: 6.864APH ToT: 0.8941CertNo:30071
BOAT
ClassUFO 31DesignerHolman & PyeBuilderAYO Constructions,Age date01/1978Series date08/1977Offset fileH044.offData file30071
HULL
Length Overall9.181 mMaximum Beam3.056 mDraft1.735 mDisplacement4,092 kgDLR10.3403IMS DivisionCruiser/RacerDynamic Allowance0.470%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.300m
CREW
Maximum weight375 kg(declared)Minimum weight245 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail19.5019.77Headsail Luffed31.9231.92Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.67Storm Jib7.57Heavy Weather Jib20.43
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting Moment 57.8 kg·m Stability Index 124.2
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  03020004T4R Issued on 15/06/2026 Valid until 30/06/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
CharlotteS64
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
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 VMG1579.11142.9962.7873.5835.8822.2816.0822.1842.9
52°1011.6761.6658.3613.6594.1585.2581.0580.2584.7
60°948.0729.2637.6599.9581.5571.6566.3563.5564.4
75°912.1710.8624.9589.4569.7556.7547.5538.2533.5
90°939.4724.9628.8588.6566.4550.4537.0516.8503.7
110°1108.3809.6671.8603.3570.8549.4531.0499.2481.9
120°1200.2846.3696.3616.1577.7554.1534.4498.1471.9
135°1387.7946.4760.3656.2600.4570.3549.2512.9481.1
150°1653.71108.9873.2756.7671.4617.5585.0542.7507.6
Run VMG1909.61280.51008.3838.3728.0652.6606.1556.6521.3
Selected Courses
Windward / Leeward1744.31211.7985.5855.9781.9737.4711.1689.4682.1
All purpose1308.1934.4774.8693.0647.6621.3604.4585.1575.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward817.90.7335
All purpose671.10.8941
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance731.20.8206
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6693
Downwind "popa"0.7407
70% up, 30% down "Ilhabela"0.6892
30% up, 70% down "Ilhabela-inverso"0.7177
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Predominantly Upwind710.00.8450
Predominantly Downwind693.30.8654
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP696.50.8615 Predom. Rc High556.01.0792 5B SF Bay L/M896.80.6691 TriNum AP Low854.60.7021 Predom. Dn Low1079.30.5559 5B SF Bay Med772.60.7766 TriNum AP Med666.90.8998 Predom. Dn L/M789.80.7597 5B SF Bay M/H705.60.8504 TriNum AP High601.40.9977 Predom. Dn Med667.10.8994 5B SF Bay High683.50.8779 TriNum W/L Low1150.20.5217 Predom. Dn M/H594.81.0087 5B AP Low957.40.6267 TriNum W/L Med812.50.7385 Predom. Dn High561.21.0692 5B AP L/M750.70.7992 TriNum W/L Hig709.60.8456 ChiMac Up Low878.20.6833 5B AP Med657.80.9122 Predom. Upwind737.20.8139 ChiMac Up Med799.00.7509 5B AP M/H607.60.9874 Predom. Reaching668.40.8976 ChiMac Up High708.90.8463 5B AP High586.71.0226 Predom. Downwind727.20.8251 ChiMac Off Low923.20.6499 5B W/L Low1288.30.4657 Predom. Up Low991.50.6052 ChiMac Off Med811.70.7392 5B W/L L/M943.10.6362 Predom. Up L/M769.60.7796 ChiMac Off High681.70.8801 5B W/L Med797.80.7521 Predom. Up Med688.40.8716 ChiMac AP Low894.80.6706 5B W/L M/H717.80.8358 Predom. Up M/H651.10.9216 ChiMac AP Med801.10.7489 5B W/L High691.90.8672 Predom. Up High640.40.9369 ChiMac AP High692.70.8662 W/L 60-40 Low1272.00.4717 Predom. Rc Low919.40.6526 BayMac Cove Island1030.10.5825 W/L 60-40 L/M942.30.6368 Predom. Rc L/M706.70.8490 BayMac Shore1018.60.5891 W/L 60-40 Med808.00.7426 Predom. Rc Med624.10.9613 Harvest Moon599.51.0009 W/L 60-40 M/H738.20.8127 Predom. Rc M/H578.61.0371 5B SF Bay Low1079.00.5561 W/L 60-40 High718.40.8351      SA/DSPL Up20.01SA/DSPL Dn20.01
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance731.20.8206
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance731.20.8206
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance731.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating731.20.8206
FinRating, kevyt tuuli1272.20.7861
FinRating, kova tuuli592.20.8443
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8206
Triple Number Coastal/Long Distance Low0.7021
Triple Number Coastal/Long Distance Medium0.8998
Triple Number Coastal/Long Distance High0.9977
Triple Number Windward/Leeward Low0.5462
Triple Number Windward/Leeward Medium0.7385
Triple Number Windward/Leeward High0.8456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
For information
General Purpose Handicap (GPH)751.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance731.20.8206
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Saronikos S All Purpose748.20.8020
Saronikos S Upwind812.80.7382
Saronikos S Downwind682.10.8796
Saronikos N All Purpose793.20.7564
Saronikos N Upwind847.00.7084
Saronikos N Downwind750.50.7995
Saronikos SW All Purpose757.00.7926
Saronikos SW Upwind829.80.7231
Saronikos SW Downwind697.90.8597
Saronikos NE All Purpose828.00.7247
Saronikos NE Upwind796.40.7534
Saronikos NE Downwind847.60.7079
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose696.50.8615
5-Band All Purpose Low1027.90.5837
5-Band All Purpose L/M776.30.7729
5-Band All Purpose Med675.90.8877
5-Band All Purpose M/H621.50.9654
5-Band All Purpose High599.31.0011
Single Number Predominant Upwind707.70.8478
Single Number Predominant Reaching642.80.9334
Single Number Predominant Downwind694.80.8635
5-Band 50-50 Windward/Leeward Low1288.30.4657
5-Band 50-50 Windward/Leeward L/M943.10.6362
5-Band 50-50 Windward/Leeward Med797.80.7521
5-Band 50-50 Windward/Leeward M/H717.80.8358
5-Band 50-50 Windward/Leeward High691.90.8672
5-Band 60-40 Windward/Leeward Low1272.00.4717
5-Band 60-40 Windward/Leeward L/M942.30.6368
5-Band 60-40 Windward/Leeward Med808.00.7426
5-Band 60-40 Windward/Leeward M/H738.20.8127
5-Band 60-40 Windward/Leeward High718.40.8351
Triple Number 50-50 Windward/Leeward Low1150.20.5217
Triple Number 50-50 Windward/Leeward Med812.50.7384
Triple Number 50-50 Windward/Leeward High709.50.8456
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward827.60.7250
Triple Number 60-40 Windward/Leeward Low1139.40.5266
Triple Number 60-40 Windward/Leeward Med821.10.7307
Triple Number 60-40 Windward/Leeward High731.60.8201
Triple Number All-Purpose Low926.30.6477
Triple Number All-Purpose Med685.70.8750
Triple Number All-Purpose High614.90.9758
Triple Number Predominant Upwind Low912.00.6579
Triple Number Predominant Upwind Med699.00.8583
Triple Number Predominant Upwind High652.30.9199
Triple Number Predominant Reaching Low837.30.7166
Triple Number Predominant Reaching Med641.20.9358
Triple Number Predominant Reaching High562.61.0664
Triple Number Predominant Downwind Low960.00.6250
Triple Number Predominant Downwind Med682.40.8793
Triple Number Predominant Downwind High575.91.0419
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance731.20.8206
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance731.20.8206
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low854.6
Triple Number Coastal/Long Distance Medium666.8
Triple Number Coastal/Long Distance High601.4
Triple Number Windward/Leeward Low1098.5
Triple Number Windward/Leeward Medium812.5
Triple Number Windward/Leeward High709.6
Predominantly Upwind710.0
Predominantly Downwind693.3
Predominantly Reaching658.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance731.20.8206
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7021
Triple Number Coastal/Long Distance Medium0.8998
Triple Number Coastal/Long Distance High0.9977
Triple Number Windward/Leeward Low0.5462
Triple Number Windward/Leeward Medium0.7385
Triple Number Windward/Leeward High0.8456
Coastal/Long Distance0.8206
Predominantly Upwind0.8450
Predominantly Downwind0.8654
For information
General Purpose Handicap (GPH)751.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8941
Distanseseilas Trippeltall svak vind0.7021
Distanseseilas Trippeltall mellomvind0.8998
Distanseseilas Trippeltall sterk vind0.9977
Pølsebane Trippeltall svak vind0.5462
Pølsebane Trippeltall mellomvind0.7385
Pølsebane Trippeltall sterk vind0.8456
Motvind Singeltall0.8450
Medvind Singeltall0.8654
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Coastal/Long Distance731.20.8206
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind710.00.8450
Predominantly Downwind693.30.8654
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore684.30.8768
Cape Doctor Coastal578.21.0378
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7021
Triple Number Coastal/Long Distance Medium0.8998
Triple Number Coastal/Long Distance High0.9977
Triple Number Windward/Leeward Low0.5462
Triple Number Windward/Leeward Medium0.7385
Triple Number Windward/Leeward High0.8456
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7021
Triple Number Coastal/Long Distance Medium0.8998
Triple Number Coastal/Long Distance High0.9977
Triple Number Windward/Leeward Low0.5462
Triple Number Windward/Leeward Medium0.7385
Triple Number Windward/Leeward High0.8456
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance731.20.8206
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Predominantly Upwind710.00.8450
Predominantly Downwind693.30.8654
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance731.20.8206
Triple Number Coastal/Long Distance Low854.60.7021
Triple Number Coastal/Long Distance Medium666.80.8998
Triple Number Coastal/Long Distance High601.40.9977
Triple Number Windward/Leeward Low1098.50.5462
Triple Number Windward/Leeward Medium812.50.7385
Triple Number Windward/Leeward High709.60.8456
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1760.81218.6930.2777.7691.2645.5612.3560.9547.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP696.50.8615 Predom. Dn High561.21.0692 5B AP M/H607.60.9874 TriNum AP Low854.60.7021 Predom. Rc Low919.40.6526 5B AP High586.71.0226 TriNum AP Med666.90.8998 Predom. Rc L/M706.70.8490 5B SF Bay Low1079.00.5561 TriNum AP High601.40.9977 Predom. Rc Med624.10.9613 5B SF Bay L/M896.80.6691 TriNum W/L Low1150.20.5217 Predom. Rc M/H578.61.0371 5B SF Bay Med772.60.7766 TriNum W/L Med812.50.7385 Predom. Rc High556.01.0792 5B SF Bay M/H705.60.8504 TriNum W/L Hig709.60.8456 5B W/L Low1288.30.4657 5B SF Bay High683.50.8779 Predom. Upwind737.20.8139 5B W/L L/M943.10.6362 ChiMac Up Low878.20.6833 Predom. Reaching668.40.8976 5B W/L Med797.80.7521 ChiMac Up Med799.00.7509 Predom. Downwind727.20.8251 5B W/L M/H717.80.8358 ChiMac Up High708.90.8463 Predom. Up Low991.50.6052 5B W/L High691.90.8672 ChiMac Off Low923.20.6499 Predom. Up L/M769.60.7796 W/L 60-40 Low1272.00.4717 ChiMac Off Med811.70.7392 Predom. Up Med688.40.8716 W/L 60-40 L/M942.30.6368 ChiMac Off High681.70.8801 Predom. Up M/H651.10.9216 W/L 60-40 Med808.00.7426 ChiMac AP Low894.80.6706 Predom. Up High640.40.9369 W/L 60-40 M/H738.20.8127 ChiMac AP Med801.10.7489 Predom. Dn Low1079.30.5559 W/L 60-40 High718.40.8351 ChiMac AP High692.70.8662 Predom. Dn L/M789.80.7597 5B AP Low957.40.6267 BayMac Cove Island1030.10.5825 Predom. Dn Med667.10.8994 5B AP L/M750.70.7992 BayMac Shore1018.60.5891 Predom. Dn M/H594.81.0087 5B AP Med657.80.9122 Harvest Moon599.51.0009      SA/DSPL Up20.01SA/DSPL Dn20.01
ORC Ref  03020004T4R Issued on 15/06/2026 Valid until 30/06/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
CharlotteS64
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassUFO 31Measurement22/06/2021HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.181Maximum beam3.056Draft1.735Displacement4,092Wetted area17.70IMS L7.344LSM07.341Accomod. length9.181Sink (kg/mm) 12.01
VCGD-0.072VCGM-0.040 RM Rated (kg·m) 57.8Limit of positive stability(°) 123.0 Stability Index 124.2 BLR index 0.0000Default crew weight443 Declared crew weight 375
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0013
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P10.800IG12.300ISPMDT10.120MDL10.180MDT2MDL2TLNo TaperMWGO
E3.000J3.820BAS1.055FSDFoilSFJSPLWPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date22/06/2021
SFFP0.583FFM1.275FF1.275LCFcl5.313SG
SAFP8.857FAM0.809FA0.809LCFsh5.526HBI1.043
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03020004T4R Issued on 15/06/2026 Valid until 30/06/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
CharlotteS64
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.721.181.942.5019.5030/08/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment15.3611.70NoNo 31.92
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  03020004T4R Issued on 15/06/2026 Valid until 30/06/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org