Club
Certificate
2022

Boat

ONAWA

USA 6

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 Angles43.8°42.9°43.2°41.8°40.5°39.4°37.8°
Beat VMG4.215.025.626.066.346.546.78
52°6.467.688.508.929.169.319.50
60°6.858.118.809.199.439.589.77
75°7.218.418.999.369.669.9010.18
90°7.218.429.019.409.7210.0110.56
110°6.708.128.969.419.8010.1910.63
120°6.467.858.799.289.6610.0410.88
135°5.787.058.218.919.339.6810.45
150°4.866.047.108.118.799.239.91
Run VMG4.215.236.157.027.788.449.34
Gybe Angles141.2°146.6°148.4°149.5°158.6°171.2°179.0°

APH: 461.2

CDL: 13.707

GPH: 518.4

CertNo: US7369

BOAT
Class12 metreDesignerBuilderAge date08/1940Series date07/1940Offset fileOnawa.offData fileUSA6
HULL
Length Overall20.843 mMaximum Beam3.796 mDraft2.747 mDisplacement29,021 kgDLR10.5184IMS DivisionDynamic Allowance0.341%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.525m
CREW
Maximum weight1,115 kgMinimum weight836 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail148.45153.12Headsail Luffed102.11102.11Headsail FlyingSymmetric191.06191.06Asymmetric186.55186.55 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail44.32Storm Jib18.01Heavy Weather Jib48.61
SAIL LIMITS
Headsails7  Spinnakers5 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment775.0 kg·mStability 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  0456000277RIssued on 15/07/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

ONAWA

USA 6

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 VMG854.1716.6640.1594.5568.3550.7531.2
52°557.7469.0423.7403.6393.2386.7379.0
60°525.6443.7409.1391.8381.8375.9368.6
75°499.0428.0400.6384.6372.7363.6353.5
90°499.4427.7399.5383.0370.5359.7340.8
110°537.5443.6402.0382.6367.4353.4338.6
120°557.7458.4409.4388.0372.8358.6331.0
135°622.5510.8438.6403.9385.8371.7344.6
150°740.8595.8507.1444.1409.5390.2363.3
Run VMG855.4687.9585.5512.8462.9426.6385.3
Selected Courses
Windward / Leeward854.7702.3612.8553.6515.6488.7458.2
All purpose652.1541.0481.0445.3423.0407.3387.1
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward576.51.0407
All purpose461.21.3010
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.9426
Downwind "popa"1.0724
70% up, 30% down "Ilhabela"0.9782
30% up, 70% down "Ilhabela-inverso"1.0299
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Predominantly Upwind494.11.2144
Predominantly Downwind477.11.2575
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low596.51.0058
Triple Number All Purpose Medium459.61.3055
Triple Number All Purpose High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Predominantly Upwind494.11.2144
Predominantly Downwind477.11.2575
Predominantly Upwind Low660.70.9081
Predominantly Upwind Medium508.41.1802
Predominantly Upwind High459.71.3053
Predominantly Downwind Low663.70.9040
Predominantly Downwind Medium478.71.2534
Predominantly Downwind High396.21.5143
Chicago-Mac Upwind1.1909
Chicago-Mac All Purpose1.2098
Chicago-Mac Downwind1.2343
Bayview-Mac Cove Island1.1280
Bayview-Mac Shore1.1427
Victoria-Maui1.3145
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance506.1
Triple Number Coastal/Long Distance Low596.5
Triple Number Coastal/Long Distance Medium459.6
Triple Number Coastal/Long Distance High403.7
Triple Number Windward/Leeward Low778.5
Triple Number Windward/Leeward Medium576.3
Triple Number Windward/Leeward High484.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0058
Triple Number Coastal/Long Distance Medium1.3055
Triple Number Coastal/Long Distance High1.4864
Triple Number Windward/Leeward Low0.7707
Triple Number Windward/Leeward Medium1.0412
Triple Number Windward/Leeward High1.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low596.5
Triple Number Coastal/Long Distance Medium459.6
Triple Number Coastal/Long Distance High403.7
Triple Number Windward/Leeward Low778.5
Triple Number Windward/Leeward Medium576.3
Triple Number Windward/Leeward High484.0
Predominantly Upwind494.1
Predominantly Downwind477.1
Predominantly Reaching450.8
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0058
Triple Number Coastal/Long Distance Medium1.3055
Triple Number Coastal/Long Distance High1.4864
Triple Number Windward/Leeward Low0.7707
Triple Number Windward/Leeward Medium1.0412
Triple Number Windward/Leeward High1.2397
Coastal/Long Distance1.1854
Predominantly Upwind1.2144
Predominantly Downwind1.2575
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.1854
Tretall Distanseseilas Lite vind1.0058
Tretall Distanseseilas Mellomvind1.3055
Tretall Distanseseilas Mye vind1.4864
Tretall Pølsebane Lite vind0.7707
Tretall Pølsebane Mellomvind1.0412
Tretall Pølsebane Mye vind1.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Coastal/Long Distance506.11.1854
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind494.11.2144
Predominantly Downwind477.11.2575
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore467.41.2838
Cape Doctor Coastal393.21.5260
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0058
Triple Number Coastal/Long Distance Medium1.3055
Triple Number Coastal/Long Distance High1.4864
Triple Number Windward/Leeward Low0.7707
Triple Number Windward/Leeward Medium1.0412
Triple Number Windward/Leeward High1.2397
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0058
Triple Number Coastal/Long Distance Medium1.3055
Triple Number Coastal/Long Distance High1.4864
Triple Number Windward/Leeward Low0.7707
Triple Number Windward/Leeward Medium1.0412
Triple Number Windward/Leeward High1.2397
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Predominantly Upwind494.11.2144
Predominantly Downwind477.11.2575
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance506.11.1854
Triple Number Coastal/Long Distance Low596.51.0058
Triple Number Coastal/Long Distance Medium459.61.3055
Triple Number Coastal/Long Distance High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance854.8658.1547.6477.1439.7412.2371.0
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low596.51.0058
Triple Number All Purpose Medium459.61.3055
Triple Number All Purpose High403.71.4864
Triple Number Windward/Leeward Low778.50.7707
Triple Number Windward/Leeward Medium576.31.0412
Triple Number Windward/Leeward High484.01.2397
Predominantly Upwind494.11.2144
Predominantly Downwind477.11.2575
Predominantly Upwind Low660.70.9081
Predominantly Upwind Medium508.41.1802
Predominantly Upwind High459.71.3053
Predominantly Downwind Low663.70.9040
Predominantly Downwind Medium478.71.2534
Predominantly Downwind High396.21.5143
Chicago-Mac Upwind1.1909
Chicago-Mac All Purpose1.2098
Chicago-Mac Downwind1.2343
Bayview-Mac Cove Island1.1280
Bayview-Mac Shore1.1427
Harvest Moon Regatta404.61.4829
Victoria-Maui1.3145
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low843.00.7117
5-Band Low / Medium714.70.8396
5-Band Medium564.11.0636
5-Band Medium / High493.61.2156
5-Band High463.51.2945
ORC Ref  0456000277RIssued on 15/07/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

ONAWA

USA 6

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
Class12 metreMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA20.843Max. Beam3.796Draft2.747Displacement29,021Wetted area62.58IMS L14.797LSM014.024Acc. length12.337Sink (kg/mm) 39.13
VCGD-0.880VCGM-1.034RM Measured (kg·m) 775.0RM Default (kg·m) 578.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.525PBWPIPA0.0037
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders2
P23.780IG18.920ISP18.920MDT10.220MDL10.228MDT20.131MDL20.185TL5.000MW0.240GO0.260
E10.650J7.030BAS1.410FSD0.000SFJ1.270SPL7.010WPLTPSBD0.254MWT810.00MCG8.004
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyFlotation Date30/07/2021MeasurerComment
SFFP1.183FFMFF1.417LCFcl11.118SG1.0250
SAFP20.515FAMFA1.059LCFsh11.286HBI1.044
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  0456000277RIssued on 15/07/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

ONAWA

USA 6

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentMain 20190.082.113.966.768.84148.4510/06/2019NorthUnknownOUS133848-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentLt/Med0.101.402.755.488.2811.2018.42NoNo 102.1110/06/2019NorthUnknownOUS133848-002Med/Hvy 10.101.282.545.218.0911.1618.44NoNo 99.2910/06/2019NorthUnknownOUS133848-003
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialCommentS2- 201918.4918.4918.4912.4912.04191.0615/06/2019NorthUnknownOUS133848-005
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentA1.520.0018.9619.4811.4111.8297%186.5519/06/2019NorthUnknownOUS133848-004
ORC Ref  0456000277RIssued on 15/07/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org