International
Certificate
2023

Boat

INCEPTION

USA 4921

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°39.4°38.4°37.6°37.0°36.9°37.2°
Beat VMG4.695.545.936.146.286.366.39
52°7.088.078.498.778.969.119.25
60°7.448.368.879.209.439.609.80
75°7.678.579.339.8310.1710.4410.83
90°7.798.749.4010.1510.8111.2711.97
110°7.618.719.7610.6911.4212.0713.31
120°7.268.459.5110.6111.7612.7114.31
135°6.407.979.0010.1311.4412.7715.13
150°5.366.797.948.929.9511.2014.26
Run VMG4.645.886.887.738.629.7012.35
Gybe Angles142.1°145.1°148.7°150.5°146.9°146.9°144.2°

APH: 429.2

CDL: 12.377

GPH: 480.2

CertNo: US4921

BOAT
ClassHH42DesignerJudeL/VrolijkBuilderHakes marineAge date10/2013Series date08/2013Offset fileHH42DK-TWINRUD.offData fileUSA 4921
HULL
Length Overall12.593 mMaximum Beam4.306 mDraft2.991 mDisplacement4,260 kgDLR3.0998IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.325%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.420m
CREW
Maximum weight850 kgMinimum weight638 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail66.2367.82Headsail Luffed47.7847.78Headsail FlyingSymmetricAsymmetric201.23201.23 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail17.79Storm Jib14.63Heavy Weather Jib39.48
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment206.7 kg·mStability Index131.8
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  04560002RWUIssued on 31/08/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

INCEPTION

USA 4921

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 VMG767.4650.1607.4586.0573.5566.3563.6
52°508.3446.0424.0410.7401.6395.1389.3
60°484.1430.8405.8391.3381.6374.8367.4
75°469.2420.1385.7366.2353.9344.9332.5
90°462.4411.8382.9354.8333.1319.5300.8
110°472.9413.2369.0336.7315.2298.3270.6
120°495.9426.3378.6339.3306.0283.3251.6
135°562.5451.8400.1355.4314.6282.0238.0
150°671.8530.0453.4403.6361.9321.5252.4
Run VMG775.7612.0523.6466.0417.8371.2291.4
Selected Courses
Windward / Leeward771.6631.1565.5526.0495.7468.8427.5
All purpose590.6497.1450.5419.3395.4376.1347.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward540.01.1112
All purpose429.21.3979
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9735
Downwind "popa"1.2147
70% up, 30% down "Ilhabela"1.0351
30% up, 70% down "Ilhabela-inverso"1.1306
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Predominantly Upwind471.51.2725
Predominantly Downwind430.81.3926
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low543.91.1032
Triple Number All Purpose Medium430.21.3946
Triple Number All Purpose High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Predominantly Upwind471.51.2725
Predominantly Downwind430.81.3926
Predominantly Upwind Low600.70.9989
Predominantly Upwind Medium494.21.2142
Predominantly Upwind High461.71.2995
Predominantly Downwind Low600.01.0000
Predominantly Downwind Medium431.91.3891
Predominantly Downwind High330.01.8183
Chicago-Mac Upwind1.2490
Chicago-Mac All Purpose1.3030
Chicago-Mac Downwind1.3617
Bayview-Mac Cove Island1.2239
Bayview-Mac Shore1.2341
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching401.71.4937
Predominantly Reaching Low492.01.2195
Predominantly Reaching Medium401.61.4939
Predominantly Reaching High334.51.7937
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low760.80.7887
5-Band Low / Medium648.20.9257
5-Band Medium531.41.1290
5-Band Medium / High471.21.2733
5-Band High434.71.3804
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance468.9
Triple Number Coastal/Long Distance Low543.9
Triple Number Coastal/Long Distance Medium430.2
Triple Number Coastal/Long Distance High370.3
Triple Number Windward/Leeward Low701.3
Triple Number Windward/Leeward Medium540.3
Triple Number Windward/Leeward High460.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1032
Triple Number Coastal/Long Distance Medium1.3946
Triple Number Coastal/Long Distance High1.6202
Triple Number Windward/Leeward Low0.8555
Triple Number Windward/Leeward Medium1.1104
Triple Number Windward/Leeward High1.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low543.9
Triple Number Coastal/Long Distance Medium430.2
Triple Number Coastal/Long Distance High370.3
Triple Number Windward/Leeward Low701.3
Triple Number Windward/Leeward Medium540.3
Triple Number Windward/Leeward High460.0
Predominantly Upwind471.5
Predominantly Downwind430.8
Predominantly Reaching410.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1032
Triple Number Coastal/Long Distance Medium1.3946
Triple Number Coastal/Long Distance High1.6202
Triple Number Windward/Leeward Low0.8555
Triple Number Windward/Leeward Medium1.1104
Triple Number Windward/Leeward High1.3043
Coastal/Long Distance1.2796
Predominantly Upwind1.2725
Predominantly Downwind1.3926
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.1032
Tretall Distanseseilas Mellomvind1.3946
Tretall Distanseseilas Mye vind1.6202
Tretall Pølsebane Lite vind0.8555
Tretall Pølsebane Mellomvind1.1104
Tretall Pølsebane Mye vind1.3043
Distanseseilas ett tall (OSN 8-16kn)1.2796
Distanseseilas ett tall (APH 6-20kn)1.3979
Enkeltall Motvind1.2725
Enkeltall Medvind1.3926
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Coastal/Long Distance468.91.2796
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind471.51.2725
Predominantly Downwind430.81.3926
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore439.91.3640
Cape Doctor Coastal356.31.6838
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1032
Triple Number Coastal/Long Distance Medium1.3946
Triple Number Coastal/Long Distance High1.6202
Triple Number Windward/Leeward Low0.8555
Triple Number Windward/Leeward Medium1.1104
Triple Number Windward/Leeward High1.3043
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1032
Triple Number Coastal/Long Distance Medium1.3946
Triple Number Coastal/Long Distance High1.6202
Triple Number Windward/Leeward Low0.8555
Triple Number Windward/Leeward Medium1.1104
Triple Number Windward/Leeward High1.3043
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Predominantly Upwind471.51.2725
Predominantly Downwind430.81.3926
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance468.91.2796
Triple Number Coastal/Long Distance Low543.91.1032
Triple Number Coastal/Long Distance Medium430.21.3946
Triple Number Coastal/Long Distance High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance772.0594.8509.1451.3411.9378.2325.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low543.91.1032
Triple Number All Purpose Medium430.21.3946
Triple Number All Purpose High370.31.6202
Triple Number Windward/Leeward Low701.30.8555
Triple Number Windward/Leeward Medium540.31.1104
Triple Number Windward/Leeward High460.01.3043
Predominantly Upwind471.51.2725
Predominantly Downwind430.81.3926
Predominantly Upwind Low600.70.9989
Predominantly Upwind Medium494.21.2142
Predominantly Upwind High461.71.2995
Predominantly Downwind Low600.01.0000
Predominantly Downwind Medium431.91.3891
Predominantly Downwind High330.01.8183
Chicago-Mac Upwind1.2490
Chicago-Mac All Purpose1.3030
Chicago-Mac Downwind1.3617
Bayview-Mac Cove Island1.2239
Bayview-Mac Shore1.2341
Harvest Moon Regatta354.01.6947
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy447.31.3414
San Francisco Bay Medium526.51.1397
Predominantly Reaching401.71.4937
Predominantly Reaching Low492.01.2195
Predominantly Reaching Medium401.61.4939
Predominantly Reaching High334.51.7937
Windward/Leeward 60-40 Low702.80.8537
Windward/Leeward 60-40 Medium559.01.0733
Windward/Leeward 60-40 High496.51.2086
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low760.80.7887
5-Band Low / Medium648.20.9257
5-Band Medium531.41.1290
5-Band Medium / High471.21.2733
5-Band High434.71.3804
ORC Ref  04560002RWUIssued on 31/08/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

INCEPTION

USA 4921

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassHH42Measurement28/08/2023HINPlan reviewHull constructionCarbonCarbon RudderYesLight stanchionsNoTrim tabNo
LOA12.593Max. Beam4.306Draft2.991Displacement4,260Wetted area28.98IMS L11.766LSM011.117Acc. length12.593Sink (kg/mm) 22.63
VCGD-0.808VCGM-0.778RM Rated (kg·m) 206.7Limit of positive stability(°) 135.7Stability Index131.8
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.420PBW0.100PIPA0.0011
EDL0.750ST10.060ST20.180
ST30.180ST40.028ST50.270
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesRunners/Checkstays2Spreaders2Rotating mastNo
P17.355IG17.100ISP19.085MDT10.145MDL10.260MDT20.110MDL20.190TL2.010MW0.260GO0.260
E5.855J5.110BAS1.755FSD0.036SFJ0.270SPLWPLTPS7.670BD0.290MWT152.00MCG5.491
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date28/08/2023MeasurerComment
SFFP0.399FFM1.470FF1.470LCFcl6.888SG1.0250
SAFP12.591FAM1.059FA1.060LCFsh7.169HBI1.269
W1109.9W2109.9W3109.9W4109.9LCFD7.417
PD1231.5PD2230.3PD3227.2PD4227.4
WD5.452PLM9000.00GSA1.0RSA1.0RM206.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel tank PVC, centerlineFuel20108.500.002Water tankWater4006.630.00Total deductible88.500.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery12V engine battery, centerline208.180.002BatteryLi-P Sleeper B, centerline127.880.003EngineYammar 3YM30x27.800.00Total deductible0
ORC Ref  04560002RWUIssued on 31/08/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

INCEPTION

USA 4921

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentOffshore1.361.962.733.975.0066.2305/07/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentMed/heavy0.110.801.462.733.955.5417.40YesNo 47.7807/06/2022Light/Medium0.100.811.482.723.945.1517.35YesNo 46.5307/07/2021Heavy0.100.731.362.603.875.1416.53YesNo 43.1127/04/2020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA221.6518.3520.0012.1111.93102%201.2305/05/2020A1.521.5018.7020.1011.5012.0096%194.3005/05/2020A020.0518.5919.327.459.8576%127.6702/07/2021
ORC Ref  04560002RWUIssued on 31/08/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org