Non Spin/HSFClub Certificate2025
SUNDOWNERSm399
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 Angles43.3°43.3°41.4°40.0°38.7°37.5°37.0°36.9°37.7°
Beat VMG2.223.043.694.164.514.724.814.854.79
52°3.454.635.476.036.356.546.656.716.71
60°3.654.875.706.206.496.686.806.896.92
75°3.765.015.846.336.626.826.997.207.28
90°3.664.905.766.316.626.857.057.387.60
110°3.194.405.376.096.536.837.087.547.97
120°3.004.185.165.926.426.747.007.497.98
135°2.583.704.695.486.106.506.797.287.77
150°2.143.164.124.935.616.156.527.037.50
Run VMG1.852.743.584.335.015.616.116.747.20
Gybe Angles147.8°147.8°152.8°160.4°169.9°174.5°178.1°179.5°179.5°
APH ToD:651.1CDL: 7.603APH ToT: 0.9216CertNo:3350
BOAT
ClassJarkan 925DesignerJohn KingBuilderJarkanAge date01/1987Series date01/1984Offset fileJARKAN925.offData file3350
HULL
Length Overall9.250 mMaximum Beam3.258 mDraft1.903 mDisplacement4,625 kgDLR8.6695IMS DivisionCruiser/RacerDynamic Allowance0.470%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.370m
CREW
Maximum weight511 kg(default)Minimum weight381 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail23.8224.01Headsail Luffed30.3330.33Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail7.80Storm Jib7.53Heavy Weather Jib20.33
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
DISP - 4630kg
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
SUNDOWNERSm399
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 VMG1623.21182.3976.9866.0798.4762.6748.7741.8751.3
52°1043.5776.9657.9597.5566.8550.3541.8536.6536.5
60°987.0739.6632.0580.7554.7539.1529.4522.4520.3
75°957.4719.0616.4568.7544.0527.5515.1500.3494.5
90°982.5734.2624.8570.7543.5525.4510.8487.7473.6
110°1128.8817.4670.1590.8551.0527.2508.4477.3451.6
120°1201.1860.5697.3608.0560.9534.2514.1480.5450.9
135°1395.8972.5767.3657.0590.4553.5530.3494.2463.0
150°1681.31138.3872.9729.9641.4584.9551.9511.9480.1
Run VMG1940.91314.41005.6831.5719.2641.7588.9534.1500.0
Selected Courses
Windward / Leeward1778.41248.4991.3848.8758.8702.2668.8637.9625.6
All purpose1335.8957.0776.9680.5623.9590.0569.5546.1532.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward798.10.7517
All purpose651.10.9216
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6912
Downwind "popa"0.7453
70% up, 30% down "Ilhabela"0.7066
30% up, 70% down "Ilhabela-inverso"0.7282
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Predominantly Upwind689.70.8700
Predominantly Downwind681.50.8804
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low867.00.6921
Triple Number AP Medium647.10.9272
Triple Number AP High565.91.0603
Triple Number Windward/Leeward Low1171.80.5120
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Single Number Predominant Upwind717.60.8362
Single Number Predominant Reaching654.40.9168
Single Number Predominant Downwind716.70.8372
Predominant Upwind - Low1013.70.5919
Predominant Upwind - Low/Med767.00.7822
Predominant Upwind - Medium663.90.9037
Predominant Upwind - Med/High609.80.9839
Predominant Upwind - High591.91.0137
Predominant Downwind Low1099.40.5458
Predominant Downwind Low/Med789.50.7599
Predominant Downwind Medium652.60.9195
Predominant Downwind Med/High570.21.0523
Predominant Downwind High532.51.1269
Predominant Reaching Low937.00.6403
Predominant Reaching Low/Med703.30.8531
Predominant Reaching Medium605.60.9907
Predominant Reaching Med/High550.21.0906
Predominant Reaching High523.91.1453
SA/DSPL Upwind19.41SA/DSPL Downwind19.41
Scoring OptionTODTOT
5-Band Windward/Leeward Low1317.50.4554
5-Band Windward/Leeward Low/Med944.60.6352
5-Band Windward/Leeward Medium776.20.7730
5-Band Windward/Leeward Med/High676.80.8865
5-Band Windward/Leeward High641.10.9358
Windward/Leeward 60-40 Low1302.20.4607
Windward/Leeward 60-40 Low/Med944.00.6356
Windward/Leeward 60-40 Medium783.80.7655
Windward/Leeward 60-40 Med/High692.20.8668
Windward/Leeward 60-40 High661.80.9066
5-Band AP Low974.30.6158
5-Band AP Low/Med746.90.8034
5-Band AP Medium635.80.9436
5-Band AP Med/High573.61.0460
5-Band AP High547.81.0953
5-Band SF Bay Tour - Low1126.10.5328
5-Band SF Bay Tour - Low/Med901.00.6659
5-Band SF Bay Tour - Medium749.00.8011
5-Band SF Bay Tour - Med/High662.80.9053
5-Band SF Bay Tour - High632.20.9491
Chicago-Mac Upwind0.8069
Chicago-Mac All Purpose0.8091
Chicago-Mac Downwind0.8025
Bayview-Mac Cove Island0.5780
Bayview-Mac Shore0.5846
Harvest Moon Regatta569.31.0540
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance710.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating710.40.8446
FinRating, kevyt tuuli1298.80.7700
FinRating, kova tuuli552.90.9044
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8446
Triple Number Coastal/Long Distance Low0.6921
Triple Number Coastal/Long Distance Medium0.9273
Triple Number Coastal/Long Distance High1.0603
Triple Number Windward/Leeward Low0.5358
Triple Number Windward/Leeward Medium0.7557
Triple Number Windward/Leeward High0.9015
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
For information
General Purpose Handicap (GPH)737.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low866.9
Triple Number Coastal/Long Distance Medium647.0
Triple Number Coastal/Long Distance High565.9
Triple Number Windward/Leeward Low1119.8
Triple Number Windward/Leeward Medium794.0
Triple Number Windward/Leeward High665.6
Predominantly Upwind689.7
Predominantly Downwind681.5
Predominantly Reaching644.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6921
Triple Number Coastal/Long Distance Medium0.9273
Triple Number Coastal/Long Distance High1.0603
Triple Number Windward/Leeward Low0.5358
Triple Number Windward/Leeward Medium0.7557
Triple Number Windward/Leeward High0.9015
Coastal/Long Distance0.8446
Predominantly Upwind0.8700
Predominantly Downwind0.8804
For information
General Purpose Handicap (GPH)737.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9216
Distanseseilas Trippeltall svak vind0.6921
Distanseseilas Trippeltall mellomvind0.9273
Distanseseilas Trippeltall sterk vind1.0603
Pølsebane Trippeltall svak vind0.5358
Pølsebane Trippeltall mellomvind0.7557
Pølsebane Trippeltall sterk vind0.9015
Motvind Singeltall0.8700
Medvind Singeltall0.8804
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Coastal/Long Distance710.40.8446
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind689.70.8700
Predominantly Downwind681.50.8804
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore629.30.9534
Cape Doctor Coastal536.51.1183
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6921
Triple Number Coastal/Long Distance Medium0.9273
Triple Number Coastal/Long Distance High1.0603
Triple Number Windward/Leeward Low0.5358
Triple Number Windward/Leeward Medium0.7557
Triple Number Windward/Leeward High0.9015
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6921
Triple Number Coastal/Long Distance Medium0.9273
Triple Number Coastal/Long Distance High1.0603
Triple Number Windward/Leeward Low0.5358
Triple Number Windward/Leeward Medium0.7557
Triple Number Windward/Leeward High0.9015
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Predominantly Upwind689.70.8700
Predominantly Downwind681.50.8804
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance710.40.8446
Triple Number Coastal/Long Distance Low866.90.6921
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High565.91.0603
Triple Number Windward/Leeward Low1119.80.5358
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1916.31255.0934.4766.4665.3612.1576.7527.1510.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low867.00.6921
Triple Number AP Medium647.10.9272
Triple Number AP High565.91.0603
Triple Number Windward/Leeward Low1171.80.5120
Triple Number Windward/Leeward Medium794.00.7557
Triple Number Windward/Leeward High665.60.9015
Single Number Predominant Upwind717.60.8362
Single Number Predominant Reaching654.40.9168
Single Number Predominant Downwind716.70.8372
Predominant Upwind - Low1013.70.5919
Predominant Upwind - Low/Med767.00.7822
Predominant Upwind - Medium663.90.9037
Predominant Upwind - Med/High609.80.9839
Predominant Upwind - High591.91.0137
Predominant Downwind Low1099.40.5458
Predominant Downwind Low/Med789.50.7599
Predominant Downwind Medium652.60.9195
Predominant Downwind Med/High570.21.0523
Predominant Downwind High532.51.1269
Predominant Reaching Low937.00.6403
Predominant Reaching Low/Med703.30.8531
Predominant Reaching Medium605.60.9907
Predominant Reaching Med/High550.21.0906
Predominant Reaching High523.91.1453
SA/DSPL Upwind19.41SA/DSPL Downwind19.41
Scoring OptionTODTOT
5-Band Windward/Leeward Low1317.50.4554
5-Band Windward/Leeward Low/Med944.60.6352
5-Band Windward/Leeward Medium776.20.7730
5-Band Windward/Leeward Med/High676.80.8865
5-Band Windward/Leeward High641.10.9358
Windward/Leeward 60-40 Low1302.20.4607
Windward/Leeward 60-40 Low/Med944.00.6356
Windward/Leeward 60-40 Medium783.80.7655
Windward/Leeward 60-40 Med/High692.20.8668
Windward/Leeward 60-40 High661.80.9066
5-Band AP Low974.30.6158
5-Band AP Low/Med746.90.8034
5-Band AP Medium635.80.9436
5-Band AP Med/High573.61.0460
5-Band AP High547.81.0953
5-Band SF Bay Tour - Low1126.10.5328
5-Band SF Bay Tour - Low/Med901.00.6659
5-Band SF Bay Tour - Medium749.00.8011
5-Band SF Bay Tour - Med/High662.80.9053
5-Band SF Bay Tour - High632.20.9491
Chicago-Mac Upwind0.8069
Chicago-Mac All Purpose0.8091
Chicago-Mac Downwind0.8025
Bayview-Mac Cove Island0.5780
Bayview-Mac Shore0.5846
Harvest Moon Regatta569.31.0540
Non Spin/HSFClub Certificate2025
SUNDOWNERSm399
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJarkan 925Measurement14/12/2020HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.250Max. Beam3.258Draft1.903Displacement4,625Wetted area21.53IMS L8.209LSM08.110Acc. length9.270Sink (kg/mm) 15.87
VCGD0.049VCGM0.162RM Rated (kg·m) 90.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight511Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.370PBWPIPA0.0013
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P11.000IG12.270ISP12.470MDT10.125MDL10.165MDT2MDL2TLMWGO
E4.050J3.740BAS1.370FSDSFJSPL3.680WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/06/2022
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
SUNDOWNERSm399
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.140.661.202.223.1523.8213/12/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.060.601.202.473.875.2911.85YesNo 30.3313/12/2020
CRUISER/RACER REQUIREMENTS*
Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.