Non Spin/HSFClub Certificate2025
Sea OtterRSA-880
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
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 Angles44.1°44.1°42.6°41.5°40.2°39.2°38.8°38.9°40.4°
Beat VMG1.812.533.113.543.884.134.224.234.10
52°2.833.884.685.265.645.896.016.055.99
60°3.024.094.885.465.826.056.186.256.24
75°3.124.215.015.605.986.226.396.606.65
90°3.024.104.925.535.956.246.466.837.05
110°2.673.754.655.365.886.246.537.077.54
120°2.523.584.495.215.766.146.447.037.62
135°2.213.204.104.835.435.896.226.777.36
150°1.882.783.634.374.995.525.936.497.02
Run VMG1.622.413.163.854.485.035.516.176.67
Gybe Angles150.7°150.7°155.5°164.9°172.1°175.3°177.2°179.0°179.0°
APH ToD:738.6CDL: 6.097APH ToT: 0.8123CertNo:ZAN203
BOAT
ClassSadler 26DesignerDavid SadlerBuilderFortuna, Cape TownAge date01/1987Series date01/1981Offset fileSadler 26_DV.offData fileRSA880
HULL
Length Overall7.850 mMaximum Beam2.736 mDraft1.418 mDisplacement2,177 kgDLR6.6160IMS DivisionCruiser/RacerDynamic Allowance0.390%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeSolid 2 bladesDiameter0.250m
CREW
Maximum weight406 kg(default)Minimum weight276 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail12.1412.33Headsail Luffed19.7019.70Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail3.58Storm Jib4.42Heavy Weather Jib11.92
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
Spinnakers0
✱ 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
Sea OtterRSA-880
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
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 VMG1988.81425.11157.91015.7927.5872.7852.1850.2878.3
52°1270.2928.2769.2684.1638.1611.6599.0595.4601.0
60°1191.1880.0737.3659.3618.6595.2582.2575.8577.0
75°1154.9855.3718.3642.6602.2579.1563.0545.6541.0
90°1192.1877.5732.1651.0604.7576.8557.0527.2510.6
110°1348.1960.0773.6671.4611.8577.0551.1509.0477.2
120°1426.71005.5802.2691.6624.9586.0559.1512.3472.3
135°1631.71125.1878.6745.8663.0611.2579.0531.5489.1
150°1917.61296.5991.5824.2721.3652.1607.3554.7512.5
Run VMG2219.91496.41138.5934.2804.2715.9653.6583.1539.8
Selected Courses
Windward / Leeward2101.51460.81148.2974.9865.9794.3752.9716.6709.0
All purpose1590.61125.7901.5778.8704.9658.6631.2602.4589.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward912.60.6575
All purpose738.60.8123
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance807.10.7434
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5914
Downwind "popa"0.6639
70% up, 30% down "Ilhabela"0.6115
30% up, 70% down "Ilhabela-inverso"0.6404
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Predominantly Upwind789.50.7600
Predominantly Downwind770.30.7789
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low1013.60.5920
Triple Number AP Medium734.50.8169
Triple Number AP High627.30.9565
Triple Number Windward/Leeward Low1367.10.4389
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Single Number Predominant Upwind824.90.7274
Single Number Predominant Reaching743.60.8069
Single Number Predominant Downwind811.50.7393
Predominant Upwind - Low1206.80.4972
Predominant Upwind - Low/Med892.40.6723
Predominant Upwind - Medium756.30.7934
Predominant Upwind - Med/High682.30.8794
Predominant Upwind - High661.70.9067
Predominant Downwind Low1277.80.4696
Predominant Downwind Low/Med903.40.6642
Predominant Downwind Medium734.50.8168
Predominant Downwind Med/High630.40.9518
Predominant Downwind High582.61.0298
Predominant Reaching Low1105.00.5430
Predominant Reaching Low/Med810.90.7399
Predominant Reaching Medium682.20.8795
Predominant Reaching Med/High606.70.9889
Predominant Reaching High573.21.0468
SA/DSPL Upwind18.91SA/DSPL Downwind18.91
Scoring OptionTODTOT
5-Band Windward/Leeward Low1543.50.3887
5-Band Windward/Leeward Low/Med1091.50.5497
5-Band Windward/Leeward Medium886.10.6771
5-Band Windward/Leeward Med/High763.30.7861
5-Band Windward/Leeward High721.60.8315
Windward/Leeward 60-40 Low1534.60.3910
Windward/Leeward 60-40 Low/Med1095.80.5475
Windward/Leeward 60-40 Medium898.10.6681
Windward/Leeward 60-40 Med/High782.90.7664
Windward/Leeward 60-40 High748.40.8018
5-Band AP Low1143.50.5247
5-Band AP Low/Med862.20.6959
5-Band AP Medium719.70.8337
5-Band AP Med/High637.20.9417
5-Band AP High605.10.9915
5-Band SF Bay Tour - Low1319.60.4547
5-Band SF Bay Tour - Low/Med1043.80.5748
5-Band SF Bay Tour - Medium855.80.7011
5-Band SF Bay Tour - Med/High746.20.8041
5-Band SF Bay Tour - High710.10.8450
Chicago-Mac Upwind0.6984
Chicago-Mac All Purpose0.7061
Chicago-Mac Downwind0.7062
Bayview-Mac Cove Island0.4945
Bayview-Mac Shore0.4995
Harvest Moon Regatta632.70.9482
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance807.10.7434
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance807.10.7434
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance807.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating807.10.7434
FinRating, kevyt tuuli1523.50.6564
FinRating, kova tuuli610.10.8195
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7434
Triple Number Coastal/Long Distance Low0.5920
Triple Number Coastal/Long Distance Medium0.8170
Triple Number Coastal/Long Distance High0.9565
Triple Number Windward/Leeward Low0.4600
Triple Number Windward/Leeward Medium0.6609
Triple Number Windward/Leeward High0.8004
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
For information
General Purpose Handicap (GPH)841.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance807.10.7434
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance807.10.7434
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance807.10.7434
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low1013.5
Triple Number Coastal/Long Distance Medium734.4
Triple Number Coastal/Long Distance High627.3
Triple Number Windward/Leeward Low1304.3
Triple Number Windward/Leeward Medium907.9
Triple Number Windward/Leeward High749.6
Predominantly Upwind789.5
Predominantly Downwind770.3
Predominantly Reaching729.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance807.10.7434
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5920
Triple Number Coastal/Long Distance Medium0.8170
Triple Number Coastal/Long Distance High0.9565
Triple Number Windward/Leeward Low0.4600
Triple Number Windward/Leeward Medium0.6609
Triple Number Windward/Leeward High0.8004
Coastal/Long Distance0.7434
Predominantly Upwind0.7600
Predominantly Downwind0.7789
For information
General Purpose Handicap (GPH)841.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8123
Distanseseilas Trippeltall svak vind0.5920
Distanseseilas Trippeltall mellomvind0.8170
Distanseseilas Trippeltall sterk vind0.9565
Pølsebane Trippeltall svak vind0.4600
Pølsebane Trippeltall mellomvind0.6609
Pølsebane Trippeltall sterk vind0.8004
Motvind Singeltall0.7600
Medvind Singeltall0.7789
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Coastal/Long Distance807.10.7434
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind789.50.7600
Predominantly Downwind770.30.7789
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore711.30.8435
Cape Doctor Coastal593.21.0115
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5920
Triple Number Coastal/Long Distance Medium0.8170
Triple Number Coastal/Long Distance High0.9565
Triple Number Windward/Leeward Low0.4600
Triple Number Windward/Leeward Medium0.6609
Triple Number Windward/Leeward High0.8004
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5920
Triple Number Coastal/Long Distance Medium0.8170
Triple Number Coastal/Long Distance High0.9565
Triple Number Windward/Leeward Low0.4600
Triple Number Windward/Leeward Medium0.6609
Triple Number Windward/Leeward High0.8004
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance807.10.7434
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Predominantly Upwind789.50.7600
Predominantly Downwind770.30.7789
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance807.10.7434
Triple Number Coastal/Long Distance Low1013.50.5920
Triple Number Coastal/Long Distance Medium734.40.8170
Triple Number Coastal/Long Distance High627.30.9565
Triple Number Windward/Leeward Low1304.30.4600
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2253.21464.31081.7878.7754.1684.3638.7576.3557.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low1013.60.5920
Triple Number AP Medium734.50.8169
Triple Number AP High627.30.9565
Triple Number Windward/Leeward Low1367.10.4389
Triple Number Windward/Leeward Medium907.90.6609
Triple Number Windward/Leeward High749.60.8004
Single Number Predominant Upwind824.90.7274
Single Number Predominant Reaching743.60.8069
Single Number Predominant Downwind811.50.7393
Predominant Upwind - Low1206.80.4972
Predominant Upwind - Low/Med892.40.6723
Predominant Upwind - Medium756.30.7934
Predominant Upwind - Med/High682.30.8794
Predominant Upwind - High661.70.9067
Predominant Downwind Low1277.80.4696
Predominant Downwind Low/Med903.40.6642
Predominant Downwind Medium734.50.8168
Predominant Downwind Med/High630.40.9518
Predominant Downwind High582.61.0298
Predominant Reaching Low1105.00.5430
Predominant Reaching Low/Med810.90.7399
Predominant Reaching Medium682.20.8795
Predominant Reaching Med/High606.70.9889
Predominant Reaching High573.21.0468
SA/DSPL Upwind18.91SA/DSPL Downwind18.91
Scoring OptionTODTOT
5-Band Windward/Leeward Low1543.50.3887
5-Band Windward/Leeward Low/Med1091.50.5497
5-Band Windward/Leeward Medium886.10.6771
5-Band Windward/Leeward Med/High763.30.7861
5-Band Windward/Leeward High721.60.8315
Windward/Leeward 60-40 Low1534.60.3910
Windward/Leeward 60-40 Low/Med1095.80.5475
Windward/Leeward 60-40 Medium898.10.6681
Windward/Leeward 60-40 Med/High782.90.7664
Windward/Leeward 60-40 High748.40.8018
5-Band AP Low1143.50.5247
5-Band AP Low/Med862.20.6959
5-Band AP Medium719.70.8337
5-Band AP Med/High637.20.9417
5-Band AP High605.10.9915
5-Band SF Bay Tour - Low1319.60.4547
5-Band SF Bay Tour - Low/Med1043.80.5748
5-Band SF Bay Tour - Medium855.80.7011
5-Band SF Bay Tour - Med/High746.20.8041
5-Band SF Bay Tour - High710.10.8450
Chicago-Mac Upwind0.6984
Chicago-Mac All Purpose0.7061
Chicago-Mac Downwind0.7062
Bayview-Mac Cove Island0.4945
Bayview-Mac Shore0.4995
Harvest Moon Regatta632.70.9482
Non Spin/HSFClub Certificate2025
Sea OtterRSA-880
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSadler 26Measurement10/02/2023HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.850Max. Beam2.736Draft1.418Displacement2,177Wetted area14.87IMS L7.010LSM06.903Acc. length7.850Sink (kg/mm) 10.29
VCGD0.119VCGM0.123RM Rated (kg·m) 28.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight406Declared crew weightN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.250PBWPIPA0.0065
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionFixedInner stayNone FittedMast materialSingle headsail furlerYesMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P8.115IG9.395ISP9.405MDT10.088MDL10.140MDT20.088MDL20.140TLMWGO
E2.520J3.060BAS1.270FSD0.035SFJSPL3.160WPLTPSBD0.105MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date14/02/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
Sea OtterRSA-880
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.150.550.951.622.0812.1410/02/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.010.571.102.253.434.698.60NoNo 19.7010/02/2023
CRUISER/RACER REQUIREMENTS*
Accommodation length7.8 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity18 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.