International
Certificate
2022

Boat

DARK STORM

USA 61219

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 Angles46.0°41.8°39.6°38.2°37.6°37.2°37.2°
Beat VMG3.994.845.435.665.775.885.98
52°6.297.297.787.978.068.128.29
60°6.847.667.988.198.318.388.61
75°7.378.028.328.548.768.929.09
90°7.518.208.649.009.279.539.93
110°7.147.998.529.129.7210.2611.07
120°6.627.828.479.149.6410.1111.43
135°5.857.358.148.809.5910.5212.36
150°4.946.237.378.108.619.2511.11
Run VMG4.285.396.387.047.468.019.62
Gybe Angles143.3°145.6°148.7°151.9°148.9°146.6°143.0°

APH: 479.9

CDL: 11.329

GPH: 535.1

CertNo: US6432

BOAT
ClassJ 121DesignerJOHNSTONEBuilderCCFAge date06/2019Series date09/2017Offset fileJ121LK.offData fileUS6432
HULL
Length Overall12.190 mMaximum Beam3.754 mDraft2.353 mDisplacement6,097 kgDLR4.0475IMS DivisionCruiser/RacerDynamic Allowance0.033%Age Allowance0.163%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight836 kgMinimum weight627 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail53.7754.84Headsail Luffed43.9943.99Headsail Flying102.46102.46SymmetricAsymmetric176.64176.64 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail14.55Storm Jib14.22Heavy Weather Jib38.39
SAIL LIMITS
Headsails6  Spinnakers4
STABILITY
Righting Moment200.1 kg·mStability Index124.2
COMMENTS
Full crew, no water ballast
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  03330001WKHIssued on 21/04/2022Valid until 31/01/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org

International
Certificate
2022

Boat

DARK STORM

USA 61219

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 VMG901.7743.7662.5636.1624.2612.1601.9
52°572.5494.0462.4451.9446.7443.6434.2
60°526.7469.9451.1439.4433.3429.6417.9
75°488.1449.1432.8421.7410.8403.5395.9
90°479.2438.8416.5399.9388.2377.7362.7
110°504.0450.7422.4394.6370.5350.7325.3
120°544.1460.5424.8393.9373.3356.1314.9
135°615.4490.1442.3409.1375.4342.3291.1
150°728.0578.1488.5444.4418.0389.3324.0
Run VMG840.6667.5564.1511.2482.6449.5374.1
Selected Courses
Windward / Leeward871.2705.6613.3573.6553.4530.8488.0
All purpose653.7548.1494.3467.2449.8432.8403.2
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward597.01.0050
All purpose479.91.2502
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8782
Downwind "popa"1.0798
70% up, 30% down "Ilhabela"0.9303
30% up, 70% down "Ilhabela-inverso"1.0102
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Predominantly Upwind522.91.1475
Predominantly Downwind482.51.2436
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low600.90.9985
Triple Number All Purpose Medium478.61.2536
Triple Number All Purpose High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Predominantly Upwind522.91.1475
Predominantly Downwind482.51.2436
Predominantly Upwind Low678.10.8848
Predominantly Upwind Medium543.51.1039
Predominantly Upwind High510.01.1764
Predominantly Downwind Low657.80.9121
Predominantly Downwind Medium480.81.2478
Predominantly Downwind High396.21.5144
Chicago-Mac Upwind1.1301
Chicago-Mac All Purpose1.1737
Chicago-Mac Downwind1.2234
Bayview-Mac Cove Island1.0995
Bayview-Mac Shore1.1041
Victoria-Maui1.3165
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance524.9
Triple Number Coastal/Long Distance Low600.9
Triple Number Coastal/Long Distance Medium478.6
Triple Number Coastal/Long Distance High426.0
Triple Number Windward/Leeward Low788.4
Triple Number Windward/Leeward Medium592.8
Triple Number Windward/Leeward High520.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9985
Triple Number Coastal/Long Distance Medium1.2536
Triple Number Coastal/Long Distance High1.4086
Triple Number Windward/Leeward Low0.7610
Triple Number Windward/Leeward Medium1.0121
Triple Number Windward/Leeward High1.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low600.9
Triple Number Coastal/Long Distance Medium478.6
Triple Number Coastal/Long Distance High426.0
Triple Number Windward/Leeward Low788.4
Triple Number Windward/Leeward Medium592.8
Triple Number Windward/Leeward High520.4
Predominantly Upwind522.9
Predominantly Downwind482.5
Predominantly Reaching460.0
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9985
Triple Number Coastal/Long Distance Medium1.2536
Triple Number Coastal/Long Distance High1.4086
Triple Number Windward/Leeward Low0.7610
Triple Number Windward/Leeward Medium1.0121
Triple Number Windward/Leeward High1.1529
Coastal/Long Distance1.1430
Predominantly Upwind1.1475
Predominantly Downwind1.2436
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.1430
Tretall Distanseseilas Lite vind0.9985
Tretall Distanseseilas Mellomvind1.2536
Tretall Distanseseilas Mye vind1.4086
Tretall Pølsebane Lite vind0.7610
Tretall Pølsebane Mellomvind1.0121
Tretall Pølsebane Mye vind1.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Coastal/Long Distance524.91.1430
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind522.91.1475
Predominantly Downwind482.51.2436
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore500.91.1979
Cape Doctor Coastal412.11.4559
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9985
Triple Number Coastal/Long Distance Medium1.2536
Triple Number Coastal/Long Distance High1.4086
Triple Number Windward/Leeward Low0.7610
Triple Number Windward/Leeward Medium1.0121
Triple Number Windward/Leeward High1.1529
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9985
Triple Number Coastal/Long Distance Medium1.2536
Triple Number Coastal/Long Distance High1.4086
Triple Number Windward/Leeward Low0.7610
Triple Number Windward/Leeward Medium1.0121
Triple Number Windward/Leeward High1.1529
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Predominantly Upwind522.91.1475
Predominantly Downwind482.51.2436
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance524.91.1430
Triple Number Coastal/Long Distance Low600.90.9985
Triple Number Coastal/Long Distance Medium478.61.2536
Triple Number Coastal/Long Distance High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance868.1661.8554.7499.1468.8439.6385.7
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low600.90.9985
Triple Number All Purpose Medium478.61.2536
Triple Number All Purpose High426.01.4086
Triple Number Windward/Leeward Low788.40.7610
Triple Number Windward/Leeward Medium592.81.0121
Triple Number Windward/Leeward High520.41.1529
Predominantly Upwind522.91.1475
Predominantly Downwind482.51.2436
Predominantly Upwind Low678.10.8848
Predominantly Upwind Medium543.51.1039
Predominantly Upwind High510.01.1764
Predominantly Downwind Low657.80.9121
Predominantly Downwind Medium480.81.2478
Predominantly Downwind High396.21.5144
Chicago-Mac Upwind1.1301
Chicago-Mac All Purpose1.1737
Chicago-Mac Downwind1.2234
Bayview-Mac Cove Island1.0995
Bayview-Mac Shore1.1041
Harvest Moon Regatta421.71.4228
Victoria-Maui1.3165
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low858.40.6989
5-Band Low / Medium722.30.8307
5-Band Medium584.21.0270
5-Band Medium / High531.11.1298
5-Band High495.41.2111
ORC Ref  03330001WKHIssued on 21/04/2022Valid until 31/01/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org

International
Certificate
2022

Boat

DARK STORM

USA 61219

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 121Measurement07/06/2020HINPlan reviewHull constructionCoredAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.190Max. Beam3.754Draft2.353Displacement6,097Wetted area30.76IMS L11.637LSM011.462Acc. length12.190Sink (kg/mm) 23.83
VCGD-0.283VCGM-0.230RM Measured (kg·m) 200.1RM Default (kg·m) 181.0Limit of positive stability(°) 123.6Stability Index124.2
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBW0.115PIPA0.0035
EDL2.195ST10.040ST20.180
ST30.180ST40.110ST50.240
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P16.395IG16.794ISP18.141MDT10.125MDL10.235MDT20.097MDL20.171TL1.745MW0.226GO0.245
E5.070J4.660BAS1.651FSD0.038SFJ0.120SPLWPLTPS7.048BD0.290MWT190.50MCG5.800
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date07/06/2020MeasurerComment
SFFP1.000FFM1.324FF1.330LCFcl6.819SG1.0050
SAFP12.149FAM0.916FA0.921LCFsh7.090HBI1.173
W1144.7W2144.7W3144.7W4144.7LCFD7.347
PD1277.3PD2276.5PD3262.2PD4266.8
WD4.750PLM9000.00GSA1.0RSA1.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2Water PVC Port side10004.900.001Fuel PVC centerline0.900010058.200.10Total deductible58.200.10
OTHER ITEMSIdKindDescriptionWeightLCGVCG2BatteryEngine 12V battery, stbd side206.000.001BatteryHouse 12V batteries, stbd side505.500.001EngineYanmar 3YM30 29 hpTotal deductible0
ORC Ref  03330001WKHIssued on 21/04/2022Valid until 31/01/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org

International
Certificate
2022

Boat

DARK STORM

USA 61219

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentInshore1.101.692.353.414.2953.7711/03/2020Evolution NZ
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentW10.071.773.386.238.229.5018.40NoYes0102.4620/04/2021Evolution nzUnknownj00.071.242.374.395.826.7018.40NoYes072.3020/04/2021evolution nzUnknownAP0.150.831.502.683.824.9016.83YesNo 43.9911/03/2020Evolution NZ
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentA220.6017.4019.0011.1211.3098%176.6418/05/2020Evolution NZNylon
ORC Ref  03330001WKHIssued on 21/04/2022Valid until 31/01/2023
VPP ver: 2022 1.01 | © ORC | www.orc.org