Non Spin/HSFClub Certificate2025
CHANGELING
ORC
Central Rating Office
Issuing certificates for
Ireland
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°41.2°39.3°38.0°37.3°36.9°36.5°36.8°
Beat VMG2.563.524.274.795.085.225.315.405.40
52°4.005.376.316.837.097.237.317.407.43
60°4.265.656.547.007.247.397.487.587.63
75°4.425.826.697.127.387.577.717.898.00
90°4.275.696.647.137.417.637.838.148.37
110°3.665.066.156.907.317.607.868.378.89
120°3.414.755.866.697.187.507.778.318.92
135°2.874.135.256.156.827.247.538.078.66
150°2.353.484.555.476.266.867.257.798.32
Run VMG2.033.013.954.785.546.246.807.487.99
Gybe Angles145.7°145.7°151.2°157.7°166.7°173.6°179.0°179.9°177.5°
APH ToD:580.7CDL: 9.457APH ToT: 1.0332CertNo:
BOAT
ClassSIGMA 38ODDesignerTHOMASBuilderMARINE PROJECTSAge date10/1991Series date01/1987Offset fileK16400.BOFData fileIRL8331
HULL
Length Overall11.552 mMaximum Beam3.688 mDraft2.050 mDisplacement7,000 kgDLR7.4045IMS DivisionCruiser/RacerDynamic Allowance0.290%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.460m
CREW
Maximum weight765 kg(declared)Minimum weight635 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail43.0843.99Headsail Luffed35.0735.07Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail12.64Storm Jib8.96Heavy Weather Jib24.19
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
.
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
CHANGELING
ORC
Central Rating Office
Issuing certificates for
Ireland
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 VMG1407.51022.9843.6751.7708.6689.2677.6667.0667.1
52°900.9670.8570.4526.9507.6497.8492.7486.8484.5
60°844.6637.2550.2514.6497.2487.1481.4474.9471.6
75°814.8618.5538.0505.4487.8475.8467.0456.6450.2
90°844.1632.5542.3505.2485.5471.5459.9442.0430.2
110°984.1712.1585.2522.0492.4473.6458.1430.2404.9
120°1056.9757.4614.3538.1501.5480.1463.3433.3403.5
135°1254.8872.4686.4585.7527.9497.5477.9446.3415.7
150°1534.51035.1790.7657.8575.3525.0496.7462.0432.5
Run VMG1769.41195.3912.3752.7649.3577.1529.2481.0450.6
Selected Courses
Windward / Leeward1585.11109.1878.0752.2679.0633.1603.4574.0558.8
All purpose1177.1842.3683.8602.4557.8531.5514.5493.2478.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward713.10.8414
All purpose580.71.0332
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.30.9459
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7835
Downwind "popa"0.8240
70% up, 30% down "Ilhabela"0.7952
30% up, 70% down "Ilhabela-inverso"0.8114
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Predominantly Upwind612.50.9795
Predominantly Downwind609.90.9838
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low763.10.7863
Triple Number AP Medium576.71.0405
Triple Number AP High510.81.1747
Triple Number Windward/Leeward Low1040.50.5767
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Single Number Predominant Upwind637.00.9419
Single Number Predominant Reaching582.91.0294
Single Number Predominant Downwind642.10.9344
Predominant Upwind - Low885.10.6779
Predominant Upwind - Low/Med673.10.8914
Predominant Upwind - Medium591.51.0144
Predominant Upwind - Med/High550.71.0895
Predominant Upwind - High534.11.1235
Predominant Downwind Low981.80.6111
Predominant Downwind Low/Med704.70.8514
Predominant Downwind Medium584.81.0260
Predominant Downwind Med/High513.71.1680
Predominant Downwind High480.31.2492
Predominant Reaching Low823.90.7283
Predominant Reaching Low/Med621.40.9656
Predominant Reaching Medium540.81.1095
Predominant Reaching Med/High496.11.2095
Predominant Reaching High473.41.2675
SA/DSPL Upwind21.22SA/DSPL Downwind21.22
Scoring OptionTODTOT
5-Band Windward/Leeward Low1171.20.5123
5-Band Windward/Leeward Low/Med838.30.7157
5-Band Windward/Leeward Medium693.70.8649
5-Band Windward/Leeward Med/High609.80.9839
5-Band Windward/Leeward High576.51.0408
Windward/Leeward 60-40 Low1151.80.5209
Windward/Leeward 60-40 Low/Med834.20.7193
Windward/Leeward 60-40 Medium699.20.8581
Windward/Leeward 60-40 Med/High624.00.9616
Windward/Leeward 60-40 High594.91.0085
5-Band AP Low858.80.6987
5-Band AP Low/Med659.90.9093
5-Band AP Medium567.71.0569
5-Band AP Med/High517.41.1597
5-Band AP High494.31.2139
5-Band SF Bay Tour - Low996.40.6022
5-Band SF Bay Tour - Low/Med797.20.7526
5-Band SF Bay Tour - Medium668.30.8978
5-Band SF Bay Tour - Med/High597.31.0045
5-Band SF Bay Tour - High568.61.0553
Chicago-Mac Upwind0.9127
Chicago-Mac All Purpose0.9097
Chicago-Mac Downwind0.8966
Bayview-Mac Cove Island0.6517
Bayview-Mac Shore0.6599
Harvest Moon Regatta509.91.1766
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.30.9459
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.30.9459
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance634.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating634.30.9459
FinRating, kevyt tuuli1153.70.8668
FinRating, kova tuuli498.31.0033
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9459
Triple Number Coastal/Long Distance Low0.7863
Triple Number Coastal/Long Distance Medium1.0406
Triple Number Coastal/Long Distance High1.1747
Triple Number Windward/Leeward Low0.6039
Triple Number Windward/Leeward Medium0.8468
Triple Number Windward/Leeward High1.0003
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
For information
General Purpose Handicap (GPH)655.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.30.9459
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.30.9459
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.30.9459
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low763.1
Triple Number Coastal/Long Distance Medium576.6
Triple Number Coastal/Long Distance High510.8
Triple Number Windward/Leeward Low993.5
Triple Number Windward/Leeward Medium708.5
Triple Number Windward/Leeward High599.8
Predominantly Upwind612.5
Predominantly Downwind609.9
Predominantly Reaching575.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.30.9459
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7863
Triple Number Coastal/Long Distance Medium1.0406
Triple Number Coastal/Long Distance High1.1747
Triple Number Windward/Leeward Low0.6039
Triple Number Windward/Leeward Medium0.8468
Triple Number Windward/Leeward High1.0003
Coastal/Long Distance0.9459
Predominantly Upwind0.9795
Predominantly Downwind0.9838
For information
General Purpose Handicap (GPH)655.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0332
Distanseseilas Trippeltall svak vind0.7863
Distanseseilas Trippeltall mellomvind1.0406
Distanseseilas Trippeltall sterk vind1.1747
Pølsebane Trippeltall svak vind0.6039
Pølsebane Trippeltall mellomvind0.8468
Pølsebane Trippeltall sterk vind1.0003
Motvind Singeltall0.9795
Medvind Singeltall0.9838
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Coastal/Long Distance634.30.9459
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind612.50.9795
Predominantly Downwind609.90.9838
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore563.41.0650
Cape Doctor Coastal482.71.2431
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7863
Triple Number Coastal/Long Distance Medium1.0406
Triple Number Coastal/Long Distance High1.1747
Triple Number Windward/Leeward Low0.6039
Triple Number Windward/Leeward Medium0.8468
Triple Number Windward/Leeward High1.0003
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7863
Triple Number Coastal/Long Distance Medium1.0406
Triple Number Coastal/Long Distance High1.1747
Triple Number Windward/Leeward Low0.6039
Triple Number Windward/Leeward Medium0.8468
Triple Number Windward/Leeward High1.0003
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.30.9459
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Predominantly Upwind612.50.9795
Predominantly Downwind609.90.9838
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance634.30.9459
Triple Number Coastal/Long Distance Low763.10.7863
Triple Number Coastal/Long Distance Medium576.61.0406
Triple Number Coastal/Long Distance High510.81.1747
Triple Number Windward/Leeward Low993.50.6039
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.91117.7827.2679.1594.6551.4520.9476.5459.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low763.10.7863
Triple Number AP Medium576.71.0405
Triple Number AP High510.81.1747
Triple Number Windward/Leeward Low1040.50.5767
Triple Number Windward/Leeward Medium708.50.8468
Triple Number Windward/Leeward High599.81.0003
Single Number Predominant Upwind637.00.9419
Single Number Predominant Reaching582.91.0294
Single Number Predominant Downwind642.10.9344
Predominant Upwind - Low885.10.6779
Predominant Upwind - Low/Med673.10.8914
Predominant Upwind - Medium591.51.0144
Predominant Upwind - Med/High550.71.0895
Predominant Upwind - High534.11.1235
Predominant Downwind Low981.80.6111
Predominant Downwind Low/Med704.70.8514
Predominant Downwind Medium584.81.0260
Predominant Downwind Med/High513.71.1680
Predominant Downwind High480.31.2492
Predominant Reaching Low823.90.7283
Predominant Reaching Low/Med621.40.9656
Predominant Reaching Medium540.81.1095
Predominant Reaching Med/High496.11.2095
Predominant Reaching High473.41.2675
SA/DSPL Upwind21.22SA/DSPL Downwind21.22
Scoring OptionTODTOT
5-Band Windward/Leeward Low1171.20.5123
5-Band Windward/Leeward Low/Med838.30.7157
5-Band Windward/Leeward Medium693.70.8649
5-Band Windward/Leeward Med/High609.80.9839
5-Band Windward/Leeward High576.51.0408
Windward/Leeward 60-40 Low1151.80.5209
Windward/Leeward 60-40 Low/Med834.20.7193
Windward/Leeward 60-40 Medium699.20.8581
Windward/Leeward 60-40 Med/High624.00.9616
Windward/Leeward 60-40 High594.91.0085
5-Band AP Low858.80.6987
5-Band AP Low/Med659.90.9093
5-Band AP Medium567.71.0569
5-Band AP Med/High517.41.1597
5-Band AP High494.31.2139
5-Band SF Bay Tour - Low996.40.6022
5-Band SF Bay Tour - Low/Med797.20.7526
5-Band SF Bay Tour - Medium668.30.8978
5-Band SF Bay Tour - Med/High597.31.0045
5-Band SF Bay Tour - High568.61.0553
Chicago-Mac Upwind0.9127
Chicago-Mac All Purpose0.9097
Chicago-Mac Downwind0.8966
Bayview-Mac Cove Island0.6517
Bayview-Mac Shore0.6599
Harvest Moon Regatta509.91.1766
Non Spin/HSFClub Certificate2025
CHANGELING
ORC
Central Rating Office
Issuing certificates for
Ireland
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSIGMA 38ODMeasurement11/02/1988HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.552Max. Beam3.688Draft2.050Displacement7,000Wetted area27.79IMS L10.033LSM09.814Acc. length11.552Sink (kg/mm) 19.96
VCGD-0.053VCGM-0.055RM Rated (kg·m) 142.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight670Declared crew weight765
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.460PBW0.115PIPA0.0044
PSD0.025PHD0.061PHL0.100
PSA22.0°ESL0.730
ST10.022ST20.095ST30.115
ST40.052ST50.240
RIG
Forestay tensionAftInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P14.160IG13.385ISP13.385MDT10.132MDL10.186MDT20.107MDL20.138TL2.700MW0.186GO0.186
E5.100J3.980BAS1.535FSD0.036SFJ0.095SPL4.010WPLTPSBD0.160MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date22/09/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
CHANGELING
ORC
Central Rating Office
Issuing certificates for
Ireland
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC1.121.883.2543.08IRC
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.661.322.655.3013.18NoNo 35.07IRC
CRUISER/RACER REQUIREMENTS*
Accommodation length11.6 mTable area0.55 m²Headroom1.79 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity140 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity82 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.