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 Angles42.3°39.4°38.4°37.6°37.0°36.9°36.6°
Beat VMG4.735.555.926.146.276.356.40
52°7.148.098.488.758.959.099.22
60°7.498.388.869.199.429.589.77
75°7.738.629.369.8210.1510.4110.79
90°7.818.759.4010.1910.8011.2511.93
110°7.648.739.7810.6911.4112.0613.34
120°7.298.479.5410.6411.7812.7014.30
135°6.448.039.0710.2211.5412.8015.20
150°5.396.827.988.9910.0611.3214.47
Run VMG4.675.916.917.798.719.8112.54
Gybe Angles142.1°145.1°147.8°150.5°146.9°146.9°144.9°

APH: 428.2

CDL: 12.362

GPH: 478.7

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)
MeasuredRatedMainsail68.1369.86Headsail Luffed48.4048.40Headsail FlyingSymmetricAsymmetric209.74209.74 (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  04560002WLSIssued on 09/02/2024Valid until 27/02/2024
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 VMG760.8648.8607.9586.7574.3567.3562.6
52°504.1445.0424.3411.3402.3395.9390.4
60°480.4429.5406.1391.8382.3375.6368.4
75°465.7417.6384.5366.6354.5345.7333.5
90°461.1411.4383.0353.3333.3320.1301.9
110°471.4412.2368.2336.7315.4298.5269.9
120°494.0424.9377.2338.4305.5283.5251.8
135°559.4448.6397.0352.2311.8281.2236.8
150°668.1527.7451.2400.4358.0317.9248.7
Run VMG771.4609.3521.0462.2413.4367.1287.2
Selected Courses
Windward / Leeward766.1629.1564.4524.5493.9467.2424.9
All purpose586.9495.4449.6418.4394.6375.7347.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward538.21.1149
All purpose428.21.4013
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9748
Downwind "popa"1.2239
70% up, 30% down "Ilhabela"1.0382
30% up, 70% down "Ilhabela-inverso"1.1368
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Predominantly Upwind471.01.2740
Predominantly Downwind428.81.3994
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low541.21.1087
Triple Number All Purpose Medium429.31.3977
Triple Number All Purpose High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Predominantly Upwind471.01.2740
Predominantly Downwind428.81.3994
Predominantly Upwind Low597.51.0041
Predominantly Upwind Medium494.21.2140
Predominantly Upwind High462.01.2986
Predominantly Downwind Low596.91.0051
Predominantly Downwind Medium429.21.3978
Predominantly Downwind High327.61.8314
Chicago-Mac Upwind1.2506
Chicago-Mac All Purpose1.3066
Chicago-Mac Downwind1.3680
Bayview-Mac Cove Island1.2280
Bayview-Mac Shore1.2376
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching400.51.4983
Predominantly Reaching Low489.81.2251
Predominantly Reaching Medium400.31.4990
Predominantly Reaching High334.21.7953
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low755.50.7941
5-Band Low / Medium645.50.9296
5-Band Medium529.91.1323
5-Band Medium / High469.41.2782
5-Band High432.21.3882
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance467.8
Triple Number Coastal/Long Distance Low541.2
Triple Number Coastal/Long Distance Medium429.3
Triple Number Coastal/Long Distance High369.7
Triple Number Windward/Leeward Low697.6
Triple Number Windward/Leeward Medium538.8
Triple Number Windward/Leeward High458.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1087
Triple Number Coastal/Long Distance Medium1.3977
Triple Number Coastal/Long Distance High1.6230
Triple Number Windward/Leeward Low0.8601
Triple Number Windward/Leeward Medium1.1135
Triple Number Windward/Leeward High1.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Italy
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low541.2
Triple Number Coastal/Long Distance Medium429.3
Triple Number Coastal/Long Distance High369.7
Triple Number Windward/Leeward Low697.6
Triple Number Windward/Leeward Medium538.8
Triple Number Windward/Leeward High458.0
Predominantly Upwind471.0
Predominantly Downwind428.8
Predominantly Reaching409.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1087
Triple Number Coastal/Long Distance Medium1.3977
Triple Number Coastal/Long Distance High1.6230
Triple Number Windward/Leeward Low0.8601
Triple Number Windward/Leeward Medium1.1135
Triple Number Windward/Leeward High1.3100
Coastal/Long Distance1.2826
Predominantly Upwind1.2740
Predominantly Downwind1.3994
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.1087
Tretall Distanseseilas Mellomvind1.3977
Tretall Distanseseilas Mye vind1.6230
Tretall Pølsebane Lite vind0.8601
Tretall Pølsebane Mellomvind1.1135
Tretall Pølsebane Mye vind1.3100
Distanseseilas ett tall (OSN 8-16kn)1.2826
Distanseseilas ett tall (APH 6-20kn)1.4013
Enkeltall Motvind1.2740
Enkeltall Medvind1.3994
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Coastal/Long Distance467.81.2826
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind471.01.2740
Predominantly Downwind428.81.3994
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore437.61.3712
Cape Doctor Coastal355.61.6872
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1087
Triple Number Coastal/Long Distance Medium1.3977
Triple Number Coastal/Long Distance High1.6230
Triple Number Windward/Leeward Low0.8601
Triple Number Windward/Leeward Medium1.1135
Triple Number Windward/Leeward High1.3100
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1087
Triple Number Coastal/Long Distance Medium1.3977
Triple Number Coastal/Long Distance High1.6230
Triple Number Windward/Leeward Low0.8601
Triple Number Windward/Leeward Medium1.1135
Triple Number Windward/Leeward High1.3100
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Predominantly Upwind471.01.2740
Predominantly Downwind428.81.3994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance467.81.2826
Triple Number Coastal/Long Distance Low541.21.1087
Triple Number Coastal/Long Distance Medium429.31.3977
Triple Number Coastal/Long Distance High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance766.6592.9508.2450.3411.0377.7325.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low541.21.1087
Triple Number All Purpose Medium429.31.3977
Triple Number All Purpose High369.71.6230
Triple Number Windward/Leeward Low697.60.8601
Triple Number Windward/Leeward Medium538.81.1135
Triple Number Windward/Leeward High458.01.3100
Predominantly Upwind471.01.2740
Predominantly Downwind428.81.3994
Predominantly Upwind Low597.51.0041
Predominantly Upwind Medium494.21.2140
Predominantly Upwind High462.01.2986
Predominantly Downwind Low596.91.0051
Predominantly Downwind Medium429.21.3978
Predominantly Downwind High327.61.8314
Chicago-Mac Upwind1.2506
Chicago-Mac All Purpose1.3066
Chicago-Mac Downwind1.3680
Bayview-Mac Cove Island1.2280
Bayview-Mac Shore1.2376
Harvest Moon Regatta353.01.6995
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy445.91.3455
San Francisco Bay Medium525.31.1423
Predominantly Reaching400.51.4983
Predominantly Reaching Low489.81.2251
Predominantly Reaching Medium400.31.4990
Predominantly Reaching High334.21.7953
Windward/Leeward 60-40 Low699.00.8583
Windward/Leeward 60-40 Medium558.21.0748
Windward/Leeward 60-40 High495.21.2117
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low755.50.7941
5-Band Low / Medium645.50.9296
5-Band Medium529.91.1323
5-Band Medium / High469.41.2782
5-Band High432.21.3882
ORC Ref  04560002WLSIssued on 09/02/2024Valid until 27/02/2024
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 L11.767LSM011.117Acc. 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 FittedMast materialCarbonHeadsail 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  04560002WLSIssued on 09/02/2024Valid until 27/02/2024
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.DateCommentM241.642.162.904.075.0468.1307/02/202488307Offshore1.361.962.733.975.0066.2305/07/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.110.831.512.834.085.3217.45YesNo 48.4007/02/202488306Med/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.DateCommentA221.9318.6020.2712.3512.7097%209.7407/02/20241811A221.6518.3520.0012.1111.93102%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  04560002WLSIssued on 09/02/2024Valid until 27/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org