Club
Certificate
Non Spinnaker
2023

Boat

Serendipity Too

USA 53165

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.2°39.0°38.2°37.6°37.2°37.0°
Beat VMG3.263.944.424.694.824.894.94
52°4.925.786.326.596.736.806.86
60°5.155.996.486.736.886.977.05
75°5.286.136.606.877.057.197.34
90°5.156.046.576.887.097.277.55
110°4.605.606.346.787.087.327.74
120°4.375.386.176.677.007.267.73
135°3.874.895.716.356.767.057.56
150°3.304.305.135.846.406.777.30
Run VMG2.863.734.505.195.826.346.99
Gybe Angles147.8°152.3°159.5°168.2°173.0°177.5°179.3°

APH: 625.7

CDL: 8.105

GPH: 706.2

CertNo: 53165

BOAT
ClassC&C 353 CBDesignerC&CBuilderC&CAge date10/1982Series date05/1982Offset fileC&C353_CB_JT_EZ-USA53165.offData fileUSA53165NS
HULL
Length Overall10.611 mMaximum Beam3.432 mDraft2.156 mDisplacement6,016 kgDLR9.7055IMS DivisionCruiser/RacerDynamic Allowance0.530%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.433m
CREW
Maximum weight550 kgMinimum weight413 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail27.5427.86Headsail Luffed39.2639.26Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail8.40Storm Jib9.96Heavy Weather Jib26.89
SAIL LIMITS
Headsails1  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.
ORC Ref  03330002M31Issued on 18/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Serendipity Too

USA 53165

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1102.9913.1815.2767.3747.5736.1728.0
52°731.8622.6569.8546.6535.3529.7524.5
60°699.3600.6555.9534.7523.0516.8510.7
75°682.0587.6545.7524.3510.6500.9490.3
90°698.4595.9547.8523.5507.5495.0476.8
110°783.4643.2567.6530.7508.7491.9465.3
120°824.0669.2583.6539.7514.4495.6465.8
135°930.0736.0630.5567.1532.7510.6476.3
150°1090.2838.0701.6616.4562.6531.6493.3
Run VMG1258.8965.9800.5693.1618.2567.5515.2
Selected Courses
Windward / Leeward1180.9939.5807.8730.2682.8651.8621.6
All purpose907.5738.6649.7600.4572.0553.7532.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward766.40.7828
All purpose625.70.9589
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7229
Downwind "popa"0.7750
70% up, 30% down "Ilhabela"0.7378
30% up, 70% down "Ilhabela-inverso"0.7586
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Predominantly Upwind661.50.9070
Predominantly Downwind654.50.9168
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low823.00.7290
Triple Number All Purpose Medium621.20.9658
Triple Number All Purpose High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Predominantly Upwind661.50.9070
Predominantly Downwind654.50.9168
Predominantly Upwind Low880.10.6817
Predominantly Upwind Medium670.30.8951
Predominantly Upwind High623.40.9624
Predominantly Downwind Low939.60.6386
Predominantly Downwind Medium658.40.9113
Predominantly Downwind High536.81.1178
Chicago-Mac Upwind0.8907
Chicago-Mac All Purpose0.8927
Chicago-Mac Downwind0.8977
Bayview-Mac Cove Island0.8298
Bayview-Mac Shore0.8470
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching597.51.0043
Predominantly Reaching Low752.10.7978
Predominantly Reaching Medium595.61.0074
Predominantly Reaching High521.31.1509
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1162.30.5162
5-Band Low / Medium963.00.6230
5-Band Medium746.10.8042
5-Band Medium / High658.60.9111
5-Band High626.80.9572
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance681.9
Triple Number Coastal/Long Distance Low823.0
Triple Number Coastal/Long Distance Medium621.2
Triple Number Coastal/Long Distance High550.2
Triple Number Windward/Leeward Low1060.3
Triple Number Windward/Leeward Medium761.7
Triple Number Windward/Leeward High648.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7290
Triple Number Coastal/Long Distance Medium0.9658
Triple Number Coastal/Long Distance High1.0905
Triple Number Windward/Leeward Low0.5659
Triple Number Windward/Leeward Medium0.7877
Triple Number Windward/Leeward High0.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low823.0
Triple Number Coastal/Long Distance Medium621.2
Triple Number Coastal/Long Distance High550.2
Triple Number Windward/Leeward Low1060.3
Triple Number Windward/Leeward Medium761.7
Triple Number Windward/Leeward High648.2
Predominantly Upwind661.5
Predominantly Downwind654.5
Predominantly Reaching619.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7290
Triple Number Coastal/Long Distance Medium0.9658
Triple Number Coastal/Long Distance High1.0905
Triple Number Windward/Leeward Low0.5659
Triple Number Windward/Leeward Medium0.7877
Triple Number Windward/Leeward High0.9256
Coastal/Long Distance0.8799
Predominantly Upwind0.9070
Predominantly Downwind0.9168
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7290
Tretall Distanseseilas Mellomvind0.9658
Tretall Distanseseilas Mye vind1.0905
Tretall Pølsebane Lite vind0.5659
Tretall Pølsebane Mellomvind0.7877
Tretall Pølsebane Mye vind0.9256
Distanseseilas ett tall (OSN 8-16kn)0.8799
Distanseseilas ett tall (APH 6-20kn)0.9589
Enkeltall Motvind0.9070
Enkeltall Medvind0.9168
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Coastal/Long Distance681.90.8799
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind661.50.9070
Predominantly Downwind654.50.9168
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore630.70.9514
Cape Doctor Coastal538.61.1140
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7290
Triple Number Coastal/Long Distance Medium0.9658
Triple Number Coastal/Long Distance High1.0905
Triple Number Windward/Leeward Low0.5659
Triple Number Windward/Leeward Medium0.7877
Triple Number Windward/Leeward High0.9256
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7290
Triple Number Coastal/Long Distance Medium0.9658
Triple Number Coastal/Long Distance High1.0905
Triple Number Windward/Leeward Low0.5659
Triple Number Windward/Leeward Medium0.7877
Triple Number Windward/Leeward High0.9256
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Predominantly Upwind661.50.9070
Predominantly Downwind654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance681.90.8799
Triple Number Coastal/Long Distance Low823.00.7290
Triple Number Coastal/Long Distance Medium621.20.9658
Triple Number Coastal/Long Distance High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1188.7886.8730.6640.1593.5560.4513.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low823.00.7290
Triple Number All Purpose Medium621.20.9658
Triple Number All Purpose High550.21.0905
Triple Number Windward/Leeward Low1060.30.5659
Triple Number Windward/Leeward Medium761.70.7877
Triple Number Windward/Leeward High648.20.9256
Predominantly Upwind661.50.9070
Predominantly Downwind654.50.9168
Predominantly Upwind Low880.10.6817
Predominantly Upwind Medium670.30.8951
Predominantly Upwind High623.40.9624
Predominantly Downwind Low939.60.6386
Predominantly Downwind Medium658.40.9113
Predominantly Downwind High536.81.1178
Chicago-Mac Upwind0.8907
Chicago-Mac All Purpose0.8927
Chicago-Mac Downwind0.8977
Bayview-Mac Cove Island0.8298
Bayview-Mac Shore0.8470
Harvest Moon Regatta548.21.0946
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy639.10.9388
San Francisco Bay Medium755.30.7944
Predominantly Reaching597.51.0043
Predominantly Reaching Low752.10.7978
Predominantly Reaching Medium595.61.0074
Predominantly Reaching High521.31.1509
Windward/Leeward 60-40 Low1049.70.5716
Windward/Leeward 60-40 Medium771.50.7777
Windward/Leeward 60-40 High678.10.8849
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1162.30.5162
5-Band Low / Medium963.00.6230
5-Band Medium746.10.8042
5-Band Medium / High658.60.9111
5-Band High626.80.9572
ORC Ref  03330002M31Issued on 18/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Serendipity Too

USA 53165

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassC&C 353 CBMeasurement29/05/2010HIN103Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.611Max. Beam3.432Draft2.156Displacement6,016Wetted area24.10IMS L8.636LSM08.525Acc. length10.611Sink (kg/mm) 17.05
VCGD0.099VCGM0.093RM Rated (kg·m) 105.2Limit of positive stability(°) N/AStability IndexN/A
Centerboard weight100.0
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.433PBW0.137PIPA0.0072
PSD0.025PHD0.080PHL0.156
PSA28.0°ESL0.738
ST10.022ST20.091ST30.091
ST40.046ST50.261
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.588IG14.112ISP14.112MDT10.119MDL10.195MDT20.119MDL20.195TL0.000MW0.195GO0.195
E3.810J4.145BAS1.600FSD0.000SFJ0.366SPL4.145WPLTPS0.000BD0.155MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.100Flotation Date18/10/1984MeasurerComment
SFFP0.828FFMFF1.218LCFcl5.995SG1.0250
SAFP9.927FAMFA0.936LCFsh6.241HBI1.000
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  03330002M31Issued on 18/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Serendipity Too

USA 53165

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment5403190.140.701.282.353.1527.54Main1
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment17036270.030.671.342.804.366.0113.58NoNo 39.2605/05/20222018 EVOLUTION
ORC Ref  03330002M31Issued on 18/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org