International
Certificate
2023

Boat

DIGGER

USA 84949

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°40.8°39.0°37.6°36.6°36.3°35.8°
Beat VMG4.044.895.475.765.936.036.15
52°6.137.207.768.038.168.258.35
60°6.437.437.938.198.348.448.56
75°6.627.558.048.338.558.718.92
90°6.457.468.018.368.638.879.25
110°6.177.458.158.568.919.189.60
120°6.027.318.078.548.969.3410.08
135°5.376.737.698.278.739.1710.12
150°4.545.776.847.658.118.449.08
Run VMG3.935.005.936.637.037.428.28
Gybe Angles143.3°146.9°147.8°149.6°150.5°171.2°176.3°

APH: 497.9

CDL: 11.809

GPH: 557.8

CertNo: US6875

BOAT
ClassJ 44 NEW RUDDERDesignerJOHNSTONEBuilderTILLOTSON-PEARSONAge date06/1990Series date06/1989Offset fileUS19698.OFFData fileUS6875
HULL
Length Overall13.717 mMaximum Beam4.206 mDraft2.465 mDisplacement10,912 kgDLR6.1975IMS DivisionCruiser/RacerDynamic Allowance0.030%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.406m
CREW
Maximum weight900 kgMinimum weight675 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail57.6158.89Headsail Luffed70.4470.44Headsail FlyingSymmetricAsymmetric171.68171.68 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail16.90Storm Jib17.04Heavy Weather Jib45.99
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment329.6 kg·mStability Index124.9
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  03330002M38Issued on 18/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

DIGGER

USA 84949

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 VMG892.0735.7658.3624.9607.5597.1585.5
52°587.6499.9463.7448.4441.2436.6431.2
60°559.7484.7454.0439.5431.6426.6420.6
75°544.2476.8448.0432.0420.9413.1403.5
90°558.0482.9449.2430.7417.1405.9389.2
110°583.8483.5442.0420.5404.2392.0375.1
120°598.4492.5446.0421.3402.0385.4357.2
135°670.0534.8467.9435.3412.6392.6355.7
150°793.2624.0526.1470.6443.9426.6396.4
Run VMG915.9720.6607.5543.4512.3485.5434.6
Selected Courses
Windward / Leeward904.0728.1632.9584.1559.9541.3510.1
All purpose696.6573.3511.8480.9463.3450.1429.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward611.40.9813
All purpose497.91.2049
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8934
Downwind "popa"0.9953
70% up, 30% down "Ilhabela"0.9217
30% up, 70% down "Ilhabela-inverso"0.9624
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Predominantly Upwind531.31.1292
Predominantly Downwind512.31.1712
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low635.00.9449
Triple Number All Purpose Medium494.51.2133
Triple Number All Purpose High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Predominantly Upwind531.31.1292
Predominantly Downwind512.31.1712
Predominantly Upwind Low694.60.8638
Predominantly Upwind Medium544.01.1030
Predominantly Upwind High507.41.1826
Predominantly Downwind Low705.10.8509
Predominantly Downwind Medium512.31.1712
Predominantly Downwind High437.11.3726
Chicago-Mac Upwind1.1106
Chicago-Mac All Purpose1.1279
Chicago-Mac Downwind1.1514
Bayview-Mac Cove Island1.0527
Bayview-Mac Shore1.0667
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching475.21.2626
Predominantly Reaching Low578.11.0379
Predominantly Reaching Medium471.01.2739
Predominantly Reaching High418.41.4341
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low890.40.6738
5-Band Low / Medium746.10.8042
5-Band Medium596.61.0056
5-Band Medium / High542.81.1055
5-Band High515.51.1640
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance541.4
Triple Number Coastal/Long Distance Low635.0
Triple Number Coastal/Long Distance Medium494.5
Triple Number Coastal/Long Distance High445.7
Triple Number Windward/Leeward Low816.1
Triple Number Windward/Leeward Medium606.3
Triple Number Windward/Leeward High534.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9449
Triple Number Coastal/Long Distance Medium1.2133
Triple Number Coastal/Long Distance High1.3462
Triple Number Windward/Leeward Low0.7352
Triple Number Windward/Leeward Medium0.9896
Triple Number Windward/Leeward High1.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low635.0
Triple Number Coastal/Long Distance Medium494.5
Triple Number Coastal/Long Distance High445.7
Triple Number Windward/Leeward Low816.1
Triple Number Windward/Leeward Medium606.3
Triple Number Windward/Leeward High534.2
Predominantly Upwind531.3
Predominantly Downwind512.3
Predominantly Reaching488.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9449
Triple Number Coastal/Long Distance Medium1.2133
Triple Number Coastal/Long Distance High1.3462
Triple Number Windward/Leeward Low0.7352
Triple Number Windward/Leeward Medium0.9896
Triple Number Windward/Leeward High1.1231
Coastal/Long Distance1.1083
Predominantly Upwind1.1292
Predominantly Downwind1.1712
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9449
Tretall Distanseseilas Mellomvind1.2133
Tretall Distanseseilas Mye vind1.3462
Tretall Pølsebane Lite vind0.7352
Tretall Pølsebane Mellomvind0.9896
Tretall Pølsebane Mye vind1.1231
Distanseseilas ett tall (OSN 8-16kn)1.1083
Distanseseilas ett tall (APH 6-20kn)1.2049
Enkeltall Motvind1.1292
Enkeltall Medvind1.1712
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Coastal/Long Distance541.41.1083
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind531.31.1292
Predominantly Downwind512.31.1712
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore519.41.1551
Cape Doctor Coastal435.81.3769
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9449
Triple Number Coastal/Long Distance Medium1.2133
Triple Number Coastal/Long Distance High1.3462
Triple Number Windward/Leeward Low0.7352
Triple Number Windward/Leeward Medium0.9896
Triple Number Windward/Leeward High1.1231
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9449
Triple Number Coastal/Long Distance Medium1.2133
Triple Number Coastal/Long Distance High1.3462
Triple Number Windward/Leeward Low0.7352
Triple Number Windward/Leeward Medium0.9896
Triple Number Windward/Leeward High1.1231
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Predominantly Upwind531.31.1292
Predominantly Downwind512.31.1712
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance541.41.1083
Triple Number Coastal/Long Distance Low635.00.9449
Triple Number Coastal/Long Distance Medium494.51.2133
Triple Number Coastal/Long Distance High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance905.2686.7573.8511.8480.5455.2414.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low635.00.9449
Triple Number All Purpose Medium494.51.2133
Triple Number All Purpose High445.71.3462
Triple Number Windward/Leeward Low816.10.7352
Triple Number Windward/Leeward Medium606.30.9896
Triple Number Windward/Leeward High534.21.1231
Predominantly Upwind531.31.1292
Predominantly Downwind512.31.1712
Predominantly Upwind Low694.60.8638
Predominantly Upwind Medium544.01.1030
Predominantly Upwind High507.41.1826
Predominantly Downwind Low705.10.8509
Predominantly Downwind Medium512.31.1712
Predominantly Downwind High437.11.3726
Chicago-Mac Upwind1.1106
Chicago-Mac All Purpose1.1279
Chicago-Mac Downwind1.1514
Bayview-Mac Cove Island1.0527
Bayview-Mac Shore1.0667
Harvest Moon Regatta439.51.3653
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy518.81.1565
San Francisco Bay Medium596.61.0057
Predominantly Reaching475.21.2626
Predominantly Reaching Low578.11.0379
Predominantly Reaching Medium471.01.2739
Predominantly Reaching High418.41.4341
Windward/Leeward 60-40 Low815.60.7356
Windward/Leeward 60-40 Medium618.10.9707
Windward/Leeward 60-40 High555.01.0810
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low890.40.6738
5-Band Low / Medium746.10.8042
5-Band Medium596.61.0056
5-Band Medium / High542.81.1055
5-Band High515.51.1640
ORC Ref  03330002M38Issued on 18/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

DIGGER

USA 84949

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 44 NEW RUDDERMeasurement25/09/2020HIN30Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA13.717Max. Beam4.206Draft2.465Displacement10,912Wetted area39.85IMS L12.196LSM012.074Acc. length13.670Sink (kg/mm) 29.78
VCGD-0.146VCGM-0.161RM Rated (kg·m) 329.6Limit of positive stability(°) 119.2Stability Index124.9
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.406PBW0.000PIPA0.0041
PSD0.031PHD0.046PHL0.156
PSA19.0°ESL0.979
ST10.022ST20.122ST30.122
ST40.061ST50.220
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders3Rotating mastNo
P16.307IG18.337ISP18.353MDT10.129MDL10.232MDT20.116MDL20.177TL3.506MW0.174GO0.208
E5.920J5.228BAS1.832FSD0.034SFJ0.000SPL0.000WPLTPS6.920BD0.202MWT330.22MCG5.862
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date25/09/2020MeasurerComment
SFFP0.760FFM1.386FF1.388LCFcl7.708SG1.0200
SAFP13.183FAM0.937FA0.940LCFsh7.998HBI1.167
W1196.6W2196.6W3196.6W4196.6LCFD5.305
PD1280.6PD2280.6PD3280.5PD4280.5
WD5.925PLM9000.00GSA1.0RSA1.0RM327.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1FUEL ALUMINUM 5 GAL FUEL0.9000231910.160.00Total deductible1710.160.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  03330002M38Issued on 18/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

DIGGER

USA 84949

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment30892390.211.262.243.844.9757.612016 MAIN
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentLM Genoa0.091.001.913.805.797.8718.17NoNo 70.4412/04/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment308925921.1017.9419.5210.4910.8197%171.68
ORC Ref  03330002M38Issued on 18/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org