Club
Certificate
2024

Boat

LA SIRENA

USA 53565

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 24 kt
Beat Angles43.7°41.2°39.6°38.7°38.1°37.8°37.8°38.9°
Beat VMG3.614.394.915.165.285.355.425.33
52°5.526.507.087.327.437.507.577.57
60°5.826.757.287.527.637.707.797.78
75°6.036.937.427.717.898.008.158.21
90°5.967.017.437.758.028.228.508.67
110°6.117.217.758.078.308.508.869.17
120°5.997.137.738.168.528.829.319.79
135°5.386.667.467.958.418.879.9111.43
150°4.565.746.737.407.778.098.7510.17
Run VMG3.954.975.836.416.737.197.958.81
Gybe Angles143.5°147.1°148.8°150.3°150.9°173.5°176.1°139.9°
APH ToD:534.6CDL: 9.907APH ToT: 1.1224CertNo:US53565
BOAT
ClassC&C 115DesignerJACKETTBuilderC&C Tartan YachtsAge date01/2008Series date01/2005Offset fileC&C 115.offData fileUS53565
HULL
Length Overall11.500 mMaximum Beam3.654 mDraft2.051 mDisplacement6,725 kgDLR5.8043IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.409m
CREW
Maximum weight738 kg(default)Minimum weight608 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail43.6144.30Headsail Luffed37.7537.75Headsail FlyingSymmetricAsymmetric141.01141.01 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail13.11Storm Jib12.64Heavy Weather Jib34.13
SAIL LIMITS
Headsails6  Spinnakers5
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.

Club
Certificate
2024

Boat

LA SIRENA

USA 53565

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 24 kt
Beat VMG998.5820.5732.9698.1681.9672.6664.5675.3
52°652.6554.1508.5491.8484.7480.2475.3475.7
60°618.7533.4494.8478.9472.1467.6462.3462.5
75°596.9519.6485.0466.9456.3450.2441.9438.4
90°603.9513.6484.3464.3449.1437.8423.5415.4
110°588.9499.4464.6445.9433.9423.6406.5392.5
120°601.1505.0465.6441.1422.5408.4386.9367.9
135°668.8540.9482.6452.8428.2406.1363.2315.0
150°789.6627.6534.9486.5463.2445.2411.6354.0
Run VMG911.7724.7617.6561.6534.5500.8453.0408.8
Selected Courses
Windward / Leeward955.1772.6675.3629.9608.2586.7558.8542.0
All purpose736.9608.9547.0517.3500.8487.3467.8451.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward657.30.9129
All purpose534.61.1224
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7971
Downwind "popa"0.9758
70% up, 30% down "Ilhabela"0.8435
30% up, 70% down "Ilhabela-inverso"0.9143
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Predominantly Upwind579.21.0360
Predominantly Downwind537.31.1168
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low672.90.8916
Triple Number AP Medium530.71.1305
Triple Number AP High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Single Number Predominant Upwind578.21.0377
Single Number Predominant Reaching510.21.1759
Single Number Predominant Downwind537.91.1155
Predominant Upwind - Low748.30.8018
Predominant Upwind - Low/Med629.50.9531
Predominant Upwind - Medium562.41.0669
Predominant Upwind - Med/High530.51.1310
Predominant Upwind - High515.41.1641
Predominant Downwind Low729.20.8229
Predominant Downwind Low/Med599.81.0003
Predominant Downwind Medium520.91.1519
Predominant Downwind Med/High472.21.2706
Predominant Downwind High437.81.3704
Predominant Reaching Low660.40.9085
Predominant Reaching Low/Med557.71.0758
Predominant Reaching Medium497.71.2055
Predominant Reaching Med/High461.71.2994
Predominant Reaching High438.21.3692
SA/DSPL Upwind22.69SA/DSPL Downwind51.49
Scoring OptionTODTOT
5-Band Windward/Leeward Low913.70.6567
5-Band Windward/Leeward Low/Med744.10.8064
5-Band Windward/Leeward Medium642.10.9345
5-Band Windward/Leeward Med/High589.31.0181
5-Band Windward/Leeward High560.71.0701
Windward/Leeward 60-40 Low922.50.6504
Windward/Leeward 60-40 Low/Med754.80.7949
Windward/Leeward 60-40 Medium655.50.9153
Windward/Leeward 60-40 Med/High606.40.9894
Windward/Leeward 60-40 High582.11.0307
5-Band AP Low707.90.8476
5-Band AP Low/Med592.41.0129
5-Band AP Medium524.51.1438
5-Band AP Med/High488.81.2274
5-Band AP High468.31.2811
5-Band SF Bay Tour - Low869.50.6901
5-Band SF Bay Tour - Low/Med712.30.8423
5-Band SF Bay Tour - Medium618.90.9694
5-Band SF Bay Tour - Med/High571.61.0497
5-Band SF Bay Tour - High546.11.0988
Chicago-Mac Upwind1.0185
Chicago-Mac All Purpose1.0547
Chicago-Mac Downwind1.0990
Bayview-Mac Cove Island0.9841
Bayview-Mac Shore0.9898
Harvest Moon Regatta468.71.2802
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance580.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8916
Triple Number Coastal/Long Distance Medium1.1306
Triple Number Coastal/Long Distance High1.2413
Triple Number Windward/Leeward Low0.6946
Triple Number Windward/Leeward Medium0.9210
Triple Number Windward/Leeward High1.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low672.9
Triple Number Coastal/Long Distance Medium530.7
Triple Number Coastal/Long Distance High483.4
Triple Number Windward/Leeward Low863.8
Triple Number Windward/Leeward Medium651.5
Triple Number Windward/Leeward High581.6
Predominantly Upwind579.2
Predominantly Downwind537.3
Predominantly Reaching517.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8916
Triple Number Coastal/Long Distance Medium1.1306
Triple Number Coastal/Long Distance High1.2413
Triple Number Windward/Leeward Low0.6946
Triple Number Windward/Leeward Medium0.9210
Triple Number Windward/Leeward High1.0317
Coastal/Long Distance1.0338
Predominantly Upwind1.0360
Predominantly Downwind1.1168
For information
General Purpose Handicap (GPH)596.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8916
Tretall Distanseseilas Mellomvind1.1306
Tretall Distanseseilas Mye vind1.2413
Tretall Pølsebane Lite vind0.6946
Tretall Pølsebane Mellomvind0.9210
Tretall Pølsebane Mye vind1.0317
Distanseseilas ett tall1.1224
Enkeltall Motvind1.0360
Enkeltall Medvind1.1168
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Coastal/Long Distance580.41.0338
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind579.21.0360
Predominantly Downwind537.31.1168
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore547.01.0968
Cape Doctor Coastal456.41.3147
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8916
Triple Number Coastal/Long Distance Medium1.1306
Triple Number Coastal/Long Distance High1.2413
Triple Number Windward/Leeward Low0.6946
Triple Number Windward/Leeward Medium0.9210
Triple Number Windward/Leeward High1.0317
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8916
Triple Number Coastal/Long Distance Medium1.1306
Triple Number Coastal/Long Distance High1.2413
Triple Number Windward/Leeward Low0.6946
Triple Number Windward/Leeward Medium0.9210
Triple Number Windward/Leeward High1.0317
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Predominantly Upwind579.21.0360
Predominantly Downwind537.31.1168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance580.41.0338
Triple Number Coastal/Long Distance Low672.90.8916
Triple Number Coastal/Long Distance Medium530.71.1306
Triple Number Coastal/Long Distance High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance950.7727.1612.2551.1519.5492.2449.9434.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low672.90.8916
Triple Number AP Medium530.71.1305
Triple Number AP High483.41.2413
Triple Number Windward/Leeward Low863.80.6946
Triple Number Windward/Leeward Medium651.50.9210
Triple Number Windward/Leeward High581.61.0317
Single Number Predominant Upwind578.21.0377
Single Number Predominant Reaching510.21.1759
Single Number Predominant Downwind537.91.1155
Predominant Upwind - Low748.30.8018
Predominant Upwind - Low/Med629.50.9531
Predominant Upwind - Medium562.41.0669
Predominant Upwind - Med/High530.51.1310
Predominant Upwind - High515.41.1641
Predominant Downwind Low729.20.8229
Predominant Downwind Low/Med599.81.0003
Predominant Downwind Medium520.91.1519
Predominant Downwind Med/High472.21.2706
Predominant Downwind High437.81.3704
Predominant Reaching Low660.40.9085
Predominant Reaching Low/Med557.71.0758
Predominant Reaching Medium497.71.2055
Predominant Reaching Med/High461.71.2994
Predominant Reaching High438.21.3692
SA/DSPL Upwind22.69SA/DSPL Downwind51.49
Scoring OptionTODTOT
5-Band Windward/Leeward Low913.70.6567
5-Band Windward/Leeward Low/Med744.10.8064
5-Band Windward/Leeward Medium642.10.9345
5-Band Windward/Leeward Med/High589.31.0181
5-Band Windward/Leeward High560.71.0701
Windward/Leeward 60-40 Low922.50.6504
Windward/Leeward 60-40 Low/Med754.80.7949
Windward/Leeward 60-40 Medium655.50.9153
Windward/Leeward 60-40 Med/High606.40.9894
Windward/Leeward 60-40 High582.11.0307
5-Band AP Low707.90.8476
5-Band AP Low/Med592.41.0129
5-Band AP Medium524.51.1438
5-Band AP Med/High488.81.2274
5-Band AP High468.31.2811
5-Band SF Bay Tour - Low869.50.6901
5-Band SF Bay Tour - Low/Med712.30.8423
5-Band SF Bay Tour - Medium618.90.9694
5-Band SF Bay Tour - Med/High571.61.0497
5-Band SF Bay Tour - High546.11.0988
Chicago-Mac Upwind1.0185
Chicago-Mac All Purpose1.0547
Chicago-Mac Downwind1.0990
Bayview-Mac Cove Island0.9841
Bayview-Mac Shore0.9898
Harvest Moon Regatta468.71.2802

Club
Certificate
2024

Boat

LA SIRENA

USA 53565

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassC&C 115MeasurementHINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA11.500Max. Beam3.654Draft2.051Displacement6,725Wetted area28.64IMS L10.662LSM010.502Acc. length11.500Sink (kg/mm) 21.88
VCGD0.204VCGM0.197RM Rated (kg·m) 144.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight738Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.409PBW0.116PIPA0.0035
EDL1.253ST10.040ST20.180
ST30.180ST40.110ST50.290
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.040IG15.899ISP16.155MDT10.156MDL10.220MDT20.101MDL20.131TL3.676MW0.177GO0.177
E4.981J4.420BAS1.694FSD0.027SFJ0.000SPLWPLTPS5.898BD0.174MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered145.0Flotation Date23/05/2009
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

LA SIRENA

USA 53565

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN0.201.031.833.104.0743.6112/05/2022OUS110078-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentLM JIb0.080.731.402.483.534.6715.51NoNo 37.7528/05/2024
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA218.0016.5217.269.989.10110%141.0108/02/2024OUS156265-001
CRUISER/RACER REQUIREMENTS*
Accommodation length11.5 mTable area0.55 m²Headroom1.79 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity138 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity80 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.