Non Spin/HSFClub Certificate2025
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 Angles41.9°41.9°40.1°39.1°38.6°38.4°38.3°38.8°39.9°
Beat VMG2.383.203.794.164.324.394.434.404.30
52°3.634.785.515.896.076.166.206.216.16
60°3.814.985.676.016.206.306.366.406.39
75°3.915.095.786.116.336.486.586.706.75
90°3.784.995.746.126.366.546.706.927.07
110°3.254.455.365.976.306.556.767.147.38
120°3.094.265.175.846.236.506.737.157.55
135°2.703.804.735.485.996.316.556.987.39
150°2.243.254.124.765.365.836.156.637.04
Run VMG1.972.813.574.294.945.525.946.476.88
Gybe Angles144.2°144.2°145.2°169.6°170.8°172.0°174.4°176.2°176.2°
APH ToD:669.6CDL: 6.890APH ToT: 0.8961CertNo: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 Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.300m
CREW
Maximum weight375 kg(declared)Minimum weight245 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail19.5019.77Headsail Luffed31.9231.92Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail5.67Storm Jib7.57Heavy Weather Jib20.43
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
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.
Non Spin/HSFClub Certificate2025
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 VMG1512.91123.3949.2865.2832.5819.4813.3818.2837.9
52°992.7752.7653.1611.4593.1584.9580.7579.8584.3
60°943.8722.8634.6598.6580.7571.1566.0562.9563.8
75°919.7707.0623.3588.7569.0555.9546.9537.3533.5
90°951.8722.1627.5588.4566.4550.4537.5520.0509.2
110°1106.1808.2671.1603.3571.1549.7532.3504.3487.8
120°1163.8845.7696.0616.0578.0554.3535.2503.6476.6
135°1331.0946.7760.6656.4600.7570.6549.3515.7487.4
150°1605.61109.3873.4756.8671.5617.6585.4542.9511.3
Run VMG1827.31280.91008.5838.4728.2652.7606.4556.7522.9
Selected Courses
Windward / Leeward1668.11202.1978.8851.8780.3736.0709.9687.5680.4
All purpose1270.1928.4771.0691.0646.9620.7604.0585.6576.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward815.00.7362
All purpose669.60.8961
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance729.20.8228
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6751
Downwind "popa"0.7405
70% up, 30% down "Ilhabela"0.6935
30% up, 70% down "Ilhabela-inverso"0.7196
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Predominantly Upwind707.30.8483
Predominantly Downwind692.60.8663
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low849.70.7061
Triple Number AP Medium665.40.9017
Triple Number AP High601.30.9979
Triple Number Windward/Leeward Low1135.70.5283
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Single Number Predominant Upwind732.70.8189
Single Number Predominant Reaching666.50.9002
Single Number Predominant Downwind724.20.8285
Predominant Upwind - Low975.50.6151
Predominant Upwind - Low/Med764.60.7847
Predominant Upwind - Medium686.40.8742
Predominant Upwind - Med/High650.20.9228
Predominant Upwind - High639.90.9377
Predominant Downwind Low1064.70.5635
Predominant Downwind Low/Med788.40.7610
Predominant Downwind Medium666.70.9000
Predominant Downwind Med/High595.01.0085
Predominant Downwind High562.41.0669
Predominant Reaching Low910.10.6593
Predominant Reaching Low/Med704.80.8513
Predominant Reaching Medium623.60.9622
Predominant Reaching Med/High578.81.0367
Predominant Reaching High557.61.0760
SA/DSPL Upwind20.01SA/DSPL Downwind20.01
Scoring OptionTODTOT
5-Band Windward/Leeward Low1263.30.4750
5-Band Windward/Leeward Low/Med937.60.6399
5-Band Windward/Leeward Medium795.40.7543
5-Band Windward/Leeward Med/High716.50.8375
5-Band Windward/Leeward High690.10.8694
Windward/Leeward 60-40 Low1246.10.4815
Windward/Leeward 60-40 Low/Med935.70.6412
Windward/Leeward 60-40 Medium805.10.7453
Windward/Leeward 60-40 Med/High736.50.8146
Windward/Leeward 60-40 High716.30.8377
5-Band AP Low946.60.6338
5-Band AP Low/Med747.60.8025
5-Band AP Medium656.60.9138
5-Band AP Med/High607.30.9879
5-Band AP High587.21.0218
5-Band SF Bay Tour - Low1088.90.5510
5-Band SF Bay Tour - Low/Med894.90.6705
5-Band SF Bay Tour - Medium770.20.7790
5-Band SF Bay Tour - Med/High704.30.8519
5-Band SF Bay Tour - High682.10.8796
Chicago-Mac Upwind0.7971
Chicago-Mac All Purpose0.8013
Chicago-Mac Downwind0.7978
Bayview-Mac Cove Island0.5934
Bayview-Mac Shore0.5998
Harvest Moon Regatta591.51.0143
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance729.20.8228
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance729.20.8228
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance729.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating729.20.8228
FinRating, kevyt tuuli1243.60.8041
FinRating, kova tuuli592.90.8433
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8228
Triple Number Coastal/Long Distance Low0.7061
Triple Number Coastal/Long Distance Medium0.9018
Triple Number Coastal/Long Distance High0.9979
Triple Number Windward/Leeward Low0.5502
Triple Number Windward/Leeward Medium0.7411
Triple Number Windward/Leeward High0.8474
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
For information
General Purpose Handicap (GPH)749.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance729.20.8228
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance729.20.8228
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance729.20.8228
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low849.7
Triple Number Coastal/Long Distance Medium665.3
Triple Number Coastal/Long Distance High601.3
Triple Number Windward/Leeward Low1090.5
Triple Number Windward/Leeward Medium809.6
Triple Number Windward/Leeward High708.0
Predominantly Upwind707.3
Predominantly Downwind692.6
Predominantly Reaching657.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance729.20.8228
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7061
Triple Number Coastal/Long Distance Medium0.9018
Triple Number Coastal/Long Distance High0.9979
Triple Number Windward/Leeward Low0.5502
Triple Number Windward/Leeward Medium0.7411
Triple Number Windward/Leeward High0.8474
Coastal/Long Distance0.8228
Predominantly Upwind0.8483
Predominantly Downwind0.8663
For information
General Purpose Handicap (GPH)749.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8961
Distanseseilas Trippeltall svak vind0.7061
Distanseseilas Trippeltall mellomvind0.9018
Distanseseilas Trippeltall sterk vind0.9979
Pølsebane Trippeltall svak vind0.5502
Pølsebane Trippeltall mellomvind0.7411
Pølsebane Trippeltall sterk vind0.8474
Motvind Singeltall0.8483
Medvind Singeltall0.8663
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Coastal/Long Distance729.20.8228
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind707.30.8483
Predominantly Downwind692.60.8663
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore682.50.8791
Cape Doctor Coastal579.21.0359
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7061
Triple Number Coastal/Long Distance Medium0.9018
Triple Number Coastal/Long Distance High0.9979
Triple Number Windward/Leeward Low0.5502
Triple Number Windward/Leeward Medium0.7411
Triple Number Windward/Leeward High0.8474
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7061
Triple Number Coastal/Long Distance Medium0.9018
Triple Number Coastal/Long Distance High0.9979
Triple Number Windward/Leeward Low0.5502
Triple Number Windward/Leeward Medium0.7411
Triple Number Windward/Leeward High0.8474
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance729.20.8228
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Predominantly Upwind707.30.8483
Predominantly Downwind692.60.8663
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance729.20.8228
Triple Number Coastal/Long Distance Low849.70.7061
Triple Number Coastal/Long Distance Medium665.30.9018
Triple Number Coastal/Long Distance High601.30.9979
Triple Number Windward/Leeward Low1090.50.5502
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1795.01210.0924.7774.7690.1644.8612.0562.4549.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low849.70.7061
Triple Number AP Medium665.40.9017
Triple Number AP High601.30.9979
Triple Number Windward/Leeward Low1135.70.5283
Triple Number Windward/Leeward Medium809.60.7411
Triple Number Windward/Leeward High708.00.8474
Single Number Predominant Upwind732.70.8189
Single Number Predominant Reaching666.50.9002
Single Number Predominant Downwind724.20.8285
Predominant Upwind - Low975.50.6151
Predominant Upwind - Low/Med764.60.7847
Predominant Upwind - Medium686.40.8742
Predominant Upwind - Med/High650.20.9228
Predominant Upwind - High639.90.9377
Predominant Downwind Low1064.70.5635
Predominant Downwind Low/Med788.40.7610
Predominant Downwind Medium666.70.9000
Predominant Downwind Med/High595.01.0085
Predominant Downwind High562.41.0669
Predominant Reaching Low910.10.6593
Predominant Reaching Low/Med704.80.8513
Predominant Reaching Medium623.60.9622
Predominant Reaching Med/High578.81.0367
Predominant Reaching High557.61.0760
SA/DSPL Upwind20.01SA/DSPL Downwind20.01
Scoring OptionTODTOT
5-Band Windward/Leeward Low1263.30.4750
5-Band Windward/Leeward Low/Med937.60.6399
5-Band Windward/Leeward Medium795.40.7543
5-Band Windward/Leeward Med/High716.50.8375
5-Band Windward/Leeward High690.10.8694
Windward/Leeward 60-40 Low1246.10.4815
Windward/Leeward 60-40 Low/Med935.70.6412
Windward/Leeward 60-40 Medium805.10.7453
Windward/Leeward 60-40 Med/High736.50.8146
Windward/Leeward 60-40 High716.30.8377
5-Band AP Low946.60.6338
5-Band AP Low/Med747.60.8025
5-Band AP Medium656.60.9138
5-Band AP Med/High607.30.9879
5-Band AP High587.21.0218
5-Band SF Bay Tour - Low1088.90.5510
5-Band SF Bay Tour - Low/Med894.90.6705
5-Band SF Bay Tour - Medium770.20.7790
5-Band SF Bay Tour - Med/High704.30.8519
5-Band SF Bay Tour - High682.10.8796
Chicago-Mac Upwind0.7971
Chicago-Mac All Purpose0.8013
Chicago-Mac Downwind0.7978
Bayview-Mac Cove Island0.5934
Bayview-Mac Shore0.5998
Harvest Moon Regatta591.51.0143
Non Spin/HSFClub Certificate2025
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
LOA9.181Max. Beam3.056Draft1.735Displacement4,092Wetted area17.70IMS L7.344LSM07.341Acc. length9.181Sink (kg/mm) 12.01
VCGD-0.072VCGM-0.040RM Rated (kg·m) 57.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight443Declared crew weight375
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0013
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P10.800IG12.300ISPMDT10.120MDL10.180MDT2MDL2TLNo TaperMWGO
E3.000J3.820BAS1.055FSDFoilSFJSPLWPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date22/06/2021
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
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
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.