International
Certificate
2023

Boat

ZIG ZAG

USA 12912

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 Angles43.0°41.1°39.4°38.4°38.1°37.8°38.5°
Beat VMG3.814.635.145.365.475.535.55
52°5.806.857.397.617.727.787.84
60°6.207.167.597.827.938.018.08
75°6.617.477.858.048.238.358.51
90°6.677.568.018.338.548.708.96
110°6.337.478.048.388.649.009.65
120°6.207.408.028.498.919.239.84
135°5.576.917.738.278.799.3310.72
150°4.715.946.987.698.108.479.26
Run VMG4.085.146.046.667.027.458.26
Gybe Angles143.3°146.9°149.2°150.7°150.4°173.0°175.3°

APH: 511.6

CDL: 10.438

GPH: 570.1

CertNo: US7025

BOAT
ClassJ 122DesignerJ BoatsBuilderJ CompositesAge date01/2008Series date01/2008Offset fileJ122 VER.OFFData fileUS7025
HULL
Length Overall12.190 mMaximum Beam3.638 mDraft2.221 mDisplacement7,033 kgDLR5.6795IMS DivisionCruiser/RacerDynamic Allowance0.100%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.460m
CREW
Maximum weight670 kgMinimum weight503 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail49.3850.30Headsail Luffed41.1541.15Headsail Flying66.4769.31SymmetricAsymmetric154.65154.65 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail14.65Storm Jib14.05Heavy Weather Jib37.94
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment177.4 kg·mStability Index122.4
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.

International
Certificate
2023

Boat

ZIG ZAG

USA 12912

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 VMG945.8776.8700.5672.2658.7651.5649.2
52°620.7525.7487.1473.2466.6462.7459.4
60°580.2502.8474.2460.2453.7449.6445.5
75°544.7481.6458.4447.7437.3430.9423.2
90°539.5476.3449.3432.4421.5413.8401.7
110°568.8481.8447.9429.6416.4399.9373.0
120°580.9486.8448.7423.8403.9390.0365.9
135°646.5521.3465.7435.4409.8385.8335.9
150°764.5606.1515.8468.2444.3425.2388.9
Run VMG882.8699.8595.6540.1512.9483.5435.9
Selected Courses
Windward / Leeward914.3738.3648.1606.2585.8567.5542.6
All purpose699.3579.3523.2496.1480.5467.5447.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward632.10.9493
All purpose511.61.1728
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8309
Downwind "popa"1.0119
70% up, 30% down "Ilhabela"0.8780
30% up, 70% down "Ilhabela-inverso"0.9498
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Predominantly Upwind553.61.0838
Predominantly Downwind514.21.1669
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low639.30.9385
Triple Number All Purpose Medium508.21.1807
Triple Number All Purpose High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Predominantly Upwind553.61.0838
Predominantly Downwind514.21.1669
Predominantly Upwind Low717.30.8364
Predominantly Upwind Medium574.21.0450
Predominantly Upwind High544.31.1024
Predominantly Downwind Low694.90.8635
Predominantly Downwind Medium510.51.1753
Predominantly Downwind High437.41.3717
Chicago-Mac Upwind1.0658
Chicago-Mac All Purpose1.1041
Chicago-Mac Downwind1.1482
Bayview-Mac Cove Island1.0340
Bayview-Mac Shore1.0397
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching481.61.2460
Predominantly Reaching Low574.71.0440
Predominantly Reaching Medium476.21.2599
Predominantly Reaching High426.01.4084
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low900.70.6661
5-Band Low / Medium758.10.7914
5-Band Medium617.50.9716
5-Band Medium / High569.71.0532
5-Band High546.91.0972
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance556.0
Triple Number Coastal/Long Distance Low639.3
Triple Number Coastal/Long Distance Medium508.2
Triple Number Coastal/Long Distance High463.4
Triple Number Windward/Leeward Low826.3
Triple Number Windward/Leeward Medium626.0
Triple Number Windward/Leeward High562.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9385
Triple Number Coastal/Long Distance Medium1.1807
Triple Number Coastal/Long Distance High1.2949
Triple Number Windward/Leeward Low0.7261
Triple Number Windward/Leeward Medium0.9584
Triple Number Windward/Leeward High1.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low639.3
Triple Number Coastal/Long Distance Medium508.2
Triple Number Coastal/Long Distance High463.4
Triple Number Windward/Leeward Low826.3
Triple Number Windward/Leeward Medium626.0
Triple Number Windward/Leeward High562.7
Predominantly Upwind553.6
Predominantly Downwind514.2
Predominantly Reaching492.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9385
Triple Number Coastal/Long Distance Medium1.1807
Triple Number Coastal/Long Distance High1.2949
Triple Number Windward/Leeward Low0.7261
Triple Number Windward/Leeward Medium0.9584
Triple Number Windward/Leeward High1.0662
Coastal/Long Distance1.0790
Predominantly Upwind1.0838
Predominantly Downwind1.1669
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9385
Tretall Distanseseilas Mellomvind1.1807
Tretall Distanseseilas Mye vind1.2949
Tretall Pølsebane Lite vind0.7261
Tretall Pølsebane Mellomvind0.9584
Tretall Pølsebane Mye vind1.0662
Distanseseilas ett tall (OSN 8-16kn)1.0790
Distanseseilas ett tall (APH 6-20kn)1.1728
Enkeltall Motvind1.0838
Enkeltall Medvind1.1669
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Coastal/Long Distance556.01.0790
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind553.61.0838
Predominantly Downwind514.21.1669
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore550.01.0908
Cape Doctor Coastal453.71.3226
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9385
Triple Number Coastal/Long Distance Medium1.1807
Triple Number Coastal/Long Distance High1.2949
Triple Number Windward/Leeward Low0.7261
Triple Number Windward/Leeward Medium0.9584
Triple Number Windward/Leeward High1.0662
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9385
Triple Number Coastal/Long Distance Medium1.1807
Triple Number Coastal/Long Distance High1.2949
Triple Number Windward/Leeward Low0.7261
Triple Number Windward/Leeward Medium0.9584
Triple Number Windward/Leeward High1.0662
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Predominantly Upwind553.61.0838
Predominantly Downwind514.21.1669
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance556.01.0790
Triple Number Coastal/Long Distance Low639.30.9385
Triple Number Coastal/Long Distance Medium508.21.1807
Triple Number Coastal/Long Distance High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance911.1694.2586.5528.8498.2472.4430.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low639.30.9385
Triple Number All Purpose Medium508.21.1807
Triple Number All Purpose High463.41.2949
Triple Number Windward/Leeward Low826.30.7261
Triple Number Windward/Leeward Medium626.00.9584
Triple Number Windward/Leeward High562.71.0662
Predominantly Upwind553.61.0838
Predominantly Downwind514.21.1669
Predominantly Upwind Low717.30.8364
Predominantly Upwind Medium574.21.0450
Predominantly Upwind High544.31.1024
Predominantly Downwind Low694.90.8635
Predominantly Downwind Medium510.51.1753
Predominantly Downwind High437.41.3717
Chicago-Mac Upwind1.0658
Chicago-Mac All Purpose1.1041
Chicago-Mac Downwind1.1482
Bayview-Mac Cove Island1.0340
Bayview-Mac Shore1.0397
Harvest Moon Regatta445.81.3460
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy545.71.0995
San Francisco Bay Medium615.80.9743
Predominantly Reaching481.61.2460
Predominantly Reaching Low574.71.0440
Predominantly Reaching Medium476.21.2599
Predominantly Reaching High426.01.4084
Windward/Leeward 60-40 Low833.30.7200
Windward/Leeward 60-40 Medium646.80.9276
Windward/Leeward 60-40 High593.21.0114
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low900.70.6661
5-Band Low / Medium758.10.7914
5-Band Medium617.50.9716
5-Band Medium / High569.71.0532
5-Band High546.91.0972

International
Certificate
2023

Boat

ZIG ZAG

USA 12912

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 122Measurement22/12/2022HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.190Max. Beam3.638Draft2.221Displacement7,033Wetted area30.60IMS L11.007LSM010.738Acc. length11.823Sink (kg/mm) 22.94
VCGD-0.002VCGM-0.021RM Rated (kg·m) 177.4Limit of positive stability(°) 118.7Stability Index122.4
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.460PBW0.114PIPA0.0039
EDL2.383ST10.065ST20.177
ST30.180ST40.110ST50.295
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.645IG16.638ISP17.613MDT10.126MDL10.252MDT20.098MDL20.154TL2.045MW0.213GO0.247
E5.350J4.565BAS1.728FSD0.036SFJ0.315SPLWPLTPS6.480BD0.220MWT174.00MCG5.920
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date22/12/2022MeasurerComment
SFFP0.300FFM1.380FF1.389LCFcl6.784SG1.0160
SAFP11.850FAM0.975FA0.977LCFsh7.015HBI1.163
W1121.8W2121.8W3121.8W4121.8LCFD6.751
PD1272.5PD2273.7PD3273.2PD4272.1
WD4.989PLM9000.00GSA1.0RSA1.0RM175.4
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAStbd side setteeFuel132665.430.00Total deductible555.430.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGAMiscellaneousStarlink unit on pole mounted at stern1011.803.10Total deductible0

International
Certificate
2023

Boat

ZIG ZAG

USA 12912

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1390720.161.102.003.444.4249.3822/12/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentEvo J00.101.212.294.215.586.3717.65NoYes066.4717/05/2022Evo J1.50.160.741.382.563.734.9216.20YesNo 41.1522/12/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment13990320.2516.5518.4010.229.55107%154.6523/12/2022A2