Club
Certificate
2023

Boat

SEA WITCH

CAN 52276

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 Angles43.6°41.2°40.0°39.3°38.8°38.8°40.2°
Beat VMG4.074.855.235.435.535.595.58
52°6.217.187.627.827.938.008.05
60°6.547.457.888.068.188.258.32
75°6.797.638.078.348.508.628.76
90°6.697.598.108.448.728.959.23
110°6.447.618.248.658.929.169.58
120°6.307.518.198.689.139.5110.09
135°5.686.997.868.418.919.4210.62
150°4.806.037.077.818.258.629.38
Run VMG4.155.226.126.767.157.638.48
Gybe Angles143.3°146.5°149.6°150.5°151.1°173.6°175.7°

APH: 500.8

CDL: 10.923

GPH: 556.6

CertNo: US5227

BOAT
ClassFIRST 44.7DesignerFARRBuilderBENETEAUAge date01/2004Series date01/2004Offset fileF222SD.OFFData fileCAN 52276
HULL
Length Overall13.354 mMaximum Beam3.968 mDraft2.107 mDisplacement8,988 kgDLR5.9812IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.404m
CREW
Maximum weight526 kgMinimum weight395 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail64.0065.38Headsail Luffed59.1159.11Headsail FlyingSymmetricAsymmetric157.32157.32 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail18.84Storm Jib15.53Heavy Weather Jib41.92
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
jfddvm@yahoo.com
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  04560002MP0Issued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SEA WITCH

CAN 52276

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 VMG885.4743.0688.1663.2650.6643.8644.8
52°579.6501.6472.2460.3453.9450.1447.3
60°550.1483.1457.0446.4440.4436.6432.8
75°530.5471.5445.9431.7423.4417.5410.7
90°538.2474.1444.5426.4412.8402.3389.9
110°558.6472.8437.0416.1403.4393.1375.6
120°571.8479.1439.4414.6394.3378.4356.8
135°633.5514.8458.2428.2404.3382.3338.9
150°750.6597.1509.2461.2436.2417.8383.7
Run VMG866.7689.5588.0532.2503.2472.0424.4
Selected Courses
Windward / Leeward876.1716.2638.0597.7576.9557.9534.6
All purpose674.4564.1513.2486.6470.9458.2441.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward620.20.9674
All purpose500.81.1981
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8538
Downwind "popa"1.0304
70% up, 30% down "Ilhabela"0.9001
30% up, 70% down "Ilhabela-inverso"0.9702
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Predominantly Upwind540.51.1100
Predominantly Downwind504.91.1884
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low619.30.9689
Triple Number All Purpose Medium498.01.2049
Triple Number All Purpose High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Predominantly Upwind540.51.1100
Predominantly Downwind504.91.1884
Predominantly Upwind Low685.80.8749
Predominantly Upwind Medium562.01.0675
Predominantly Upwind High535.21.1210
Predominantly Downwind Low678.30.8846
Predominantly Downwind Medium502.61.1937
Predominantly Downwind High429.51.3970
Chicago-Mac Upwind1.0909
Chicago-Mac All Purpose1.1274
Chicago-Mac Downwind1.1691
Bayview-Mac Cove Island1.0635
Bayview-Mac Shore1.0711
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching472.71.2693
Predominantly Reaching Low561.31.0690
Predominantly Reaching Medium467.91.2824
Predominantly Reaching High418.01.4353
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low863.80.6946
5-Band Low / Medium735.10.8162
5-Band Medium607.50.9876
5-Band Medium / High560.61.0703
5-Band High538.71.1139
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance544.0
Triple Number Coastal/Long Distance Low619.3
Triple Number Coastal/Long Distance Medium498.0
Triple Number Coastal/Long Distance High455.0
Triple Number Windward/Leeward Low796.2
Triple Number Windward/Leeward Medium615.8
Triple Number Windward/Leeward High553.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9689
Triple Number Coastal/Long Distance Medium1.2049
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.7536
Triple Number Windward/Leeward Medium0.9743
Triple Number Windward/Leeward High1.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low619.3
Triple Number Coastal/Long Distance Medium498.0
Triple Number Coastal/Long Distance High455.0
Triple Number Windward/Leeward Low796.2
Triple Number Windward/Leeward Medium615.8
Triple Number Windward/Leeward High553.9
Predominantly Upwind540.5
Predominantly Downwind504.9
Predominantly Reaching483.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9689
Triple Number Coastal/Long Distance Medium1.2049
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.7536
Triple Number Windward/Leeward Medium0.9743
Triple Number Windward/Leeward High1.0832
Coastal/Long Distance1.1029
Predominantly Upwind1.1100
Predominantly Downwind1.1884
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9689
Tretall Distanseseilas Mellomvind1.2049
Tretall Distanseseilas Mye vind1.3188
Tretall Pølsebane Lite vind0.7536
Tretall Pølsebane Mellomvind0.9743
Tretall Pølsebane Mye vind1.0832
Distanseseilas ett tall (OSN 8-16kn)1.1029
Distanseseilas ett tall (APH 6-20kn)1.1981
Enkeltall Motvind1.1100
Enkeltall Medvind1.1884
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Coastal/Long Distance544.01.1029
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind540.51.1100
Predominantly Downwind504.91.1884
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore541.61.1078
Cape Doctor Coastal446.31.3445
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9689
Triple Number Coastal/Long Distance Medium1.2049
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.7536
Triple Number Windward/Leeward Medium0.9743
Triple Number Windward/Leeward High1.0832
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9689
Triple Number Coastal/Long Distance Medium1.2049
Triple Number Coastal/Long Distance High1.3188
Triple Number Windward/Leeward Low0.7536
Triple Number Windward/Leeward Medium0.9743
Triple Number Windward/Leeward High1.0832
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Predominantly Upwind540.51.1100
Predominantly Downwind504.91.1884
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance544.01.1029
Triple Number Coastal/Long Distance Low619.30.9689
Triple Number Coastal/Long Distance Medium498.01.2049
Triple Number Coastal/Long Distance High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance875.1674.7576.4519.8488.6462.0420.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low619.30.9689
Triple Number All Purpose Medium498.01.2049
Triple Number All Purpose High455.01.3188
Triple Number Windward/Leeward Low796.20.7536
Triple Number Windward/Leeward Medium615.80.9743
Triple Number Windward/Leeward High553.91.0832
Predominantly Upwind540.51.1100
Predominantly Downwind504.91.1884
Predominantly Upwind Low685.80.8749
Predominantly Upwind Medium562.01.0675
Predominantly Upwind High535.21.1210
Predominantly Downwind Low678.30.8846
Predominantly Downwind Medium502.61.1937
Predominantly Downwind High429.51.3970
Chicago-Mac Upwind1.0909
Chicago-Mac All Purpose1.1274
Chicago-Mac Downwind1.1691
Bayview-Mac Cove Island1.0635
Bayview-Mac Shore1.0711
Harvest Moon Regatta435.31.3784
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy538.01.1151
San Francisco Bay Medium604.00.9933
Predominantly Reaching472.71.2693
Predominantly Reaching Low561.31.0690
Predominantly Reaching Medium467.91.2824
Predominantly Reaching High418.01.4353
Windward/Leeward 60-40 Low799.80.7502
Windward/Leeward 60-40 Medium636.00.9435
Windward/Leeward 60-40 High585.21.0253
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low863.80.6946
5-Band Low / Medium735.10.8162
5-Band Medium607.50.9876
5-Band Medium / High560.61.0703
5-Band High538.71.1139
ORC Ref  04560002MP0Issued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SEA WITCH

CAN 52276

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 44.7MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA13.354Max. Beam3.968Draft2.107Displacement8,988Wetted area34.44IMS L11.706LSM011.453Acc. length12.896Sink (kg/mm) 26.97
VCGD-0.095VCGM-0.040RM Rated (kg·m) 262.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.404PBW0.118PIPA0.0037
EDL2.632ST10.047ST20.178
ST30.178ST40.112ST50.277
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P17.272IG17.522ISP19.000MDT10.141MDL10.261MDT20.101MDL20.151TL1.252MW0.235GO0.262
E6.232J4.842BAS1.821FSD0.047SFJ0.000SPLWPLTPS5.280BD0.226MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered265.1Flotation Date28/01/2007MeasurerComment
SFFP0.322FFMFF1.562LCFcl7.379SG
SAFP12.761FAMFA1.179LCFsh7.632HBI1.369
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002MP0Issued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SEA WITCH

CAN 52276

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.201.302.383.995.2364.0011/04/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGenoa0.100.861.693.405.116.8717.29NoNo 59.1111/04/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA120.6317.8919.269.899.45105%157.3211/04/2023A218.0015.5616.788.678.67100%121.24
ORC Ref  04560002MP0Issued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org