Club
Certificate
2023

Boat

FOUR WINDS

K-3470

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.6°41.4°40.5°39.4°38.4°37.8°37.5°
Beat VMG3.394.124.665.075.315.455.59
52°5.206.146.817.227.467.607.72
60°5.486.407.037.397.627.767.91
75°5.666.577.177.537.777.958.19
90°5.546.547.277.677.898.018.34
110°5.576.727.447.858.168.418.76
120°5.436.587.367.818.158.468.97
135°4.896.087.007.577.958.288.89
150°4.175.286.226.937.357.668.14
Run VMG3.614.575.386.006.376.757.57
Gybe Angles144.8°147.8°147.1°148.0°149.2°171.2°175.7°

APH: 555.9

CDL: 9.846

GPH: 625.9

CertNo: 23/2

BOAT
ClassSwan 44DesignerSparkman&SthephensBuilderNautorAge date03/1973Series date01/1972Offset fileSWN44S&S.offData fileK3470
HULL
Length Overall13.442 mMaximum Beam3.776 mDraft2.270 mDisplacement12,784 kgDLR10.4038IMS DivisionCruiser/RacerDynamic Allowance0.630%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.460m
CREW
Maximum weight750 kgMinimum weight563 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail39.3139.86Headsail Luffed61.7461.74Headsail FlyingSymmetricAsymmetric144.27144.27 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.83Storm Jib14.05Heavy Weather Jib37.93
SAIL LIMITS
Headsails1  Spinnakers4
STABILITY
Righting MomentN/AStability 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  03190002LATIssued on 11/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

FOUR WINDS

K-3470

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1061.0874.6772.6710.6677.7660.8644.4
52°692.3586.2528.3498.6482.7473.9466.1
60°656.9562.2512.3487.1472.7463.7455.1
75°636.3547.7501.8478.2463.5452.9439.7
90°650.0550.4494.9469.3456.2449.3431.4
110°646.0535.5484.0458.6441.4428.2410.8
120°663.2546.7489.2460.9441.7425.7401.2
135°736.0592.2514.1475.8453.1434.9405.1
150°864.1682.1579.1519.7489.6470.2442.1
Run VMG997.8787.6668.7600.1565.4533.7475.8
Selected Courses
Windward / Leeward1029.4831.1720.6655.3621.5597.2560.1
All purpose795.1653.3576.3534.0510.9495.3473.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward687.30.8729
All purpose555.91.0793
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7776
Downwind "popa"0.9073
70% up, 30% down "Ilhabela"0.8124
30% up, 70% down "Ilhabela-inverso"0.8641
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Predominantly Upwind599.41.0011
Predominantly Downwind568.81.0548
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low724.20.8285
Triple Number All Purpose Medium552.21.0865
Triple Number All Purpose High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Predominantly Upwind599.41.0011
Predominantly Downwind568.81.0548
Predominantly Upwind Low809.00.7416
Predominantly Upwind Medium617.10.9723
Predominantly Upwind High558.51.0743
Predominantly Downwind Low786.80.7626
Predominantly Downwind Medium564.41.0631
Predominantly Downwind High482.81.2428
Chicago-Mac Upwind0.9814
Chicago-Mac All Purpose1.0059
Chicago-Mac Downwind1.0370
Bayview-Mac Cove Island0.9307
Bayview-Mac Shore0.9408
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching529.31.1336
Predominantly Reaching Low657.30.9128
Predominantly Reaching Medium523.21.1467
Predominantly Reaching High461.51.3000
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1014.10.5917
5-Band Low / Medium849.70.7061
5-Band Medium670.40.8949
5-Band Medium / High599.91.0001
5-Band High566.51.0591
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance606.0
Triple Number Coastal/Long Distance Low724.2
Triple Number Coastal/Long Distance Medium552.2
Triple Number Coastal/Long Distance High490.9
Triple Number Windward/Leeward Low930.2
Triple Number Windward/Leeward Medium683.3
Triple Number Windward/Leeward High589.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8285
Triple Number Coastal/Long Distance Medium1.0865
Triple Number Coastal/Long Distance High1.2222
Triple Number Windward/Leeward Low0.6450
Triple Number Windward/Leeward Medium0.8781
Triple Number Windward/Leeward High1.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low724.2
Triple Number Coastal/Long Distance Medium552.2
Triple Number Coastal/Long Distance High490.9
Triple Number Windward/Leeward Low930.2
Triple Number Windward/Leeward Medium683.3
Triple Number Windward/Leeward High589.4
Predominantly Upwind599.4
Predominantly Downwind568.8
Predominantly Reaching543.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8285
Triple Number Coastal/Long Distance Medium1.0865
Triple Number Coastal/Long Distance High1.2222
Triple Number Windward/Leeward Low0.6450
Triple Number Windward/Leeward Medium0.8781
Triple Number Windward/Leeward High1.0180
Coastal/Long Distance0.9902
Predominantly Upwind1.0011
Predominantly Downwind1.0548
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8285
Tretall Distanseseilas Mellomvind1.0865
Tretall Distanseseilas Mye vind1.2222
Tretall Pølsebane Lite vind0.6450
Tretall Pølsebane Mellomvind0.8781
Tretall Pølsebane Mye vind1.0180
Distanseseilas ett tall (OSN 8-16kn)0.9902
Distanseseilas ett tall (APH 6-20kn)1.0793
Enkeltall Motvind1.0011
Enkeltall Medvind1.0548
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Coastal/Long Distance606.00.9902
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind599.41.0011
Predominantly Downwind568.81.0548
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore571.21.0504
Cape Doctor Coastal479.81.2505
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8285
Triple Number Coastal/Long Distance Medium1.0865
Triple Number Coastal/Long Distance High1.2222
Triple Number Windward/Leeward Low0.6450
Triple Number Windward/Leeward Medium0.8781
Triple Number Windward/Leeward High1.0180
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8285
Triple Number Coastal/Long Distance Medium1.0865
Triple Number Coastal/Long Distance High1.2222
Triple Number Windward/Leeward Low0.6450
Triple Number Windward/Leeward Medium0.8781
Triple Number Windward/Leeward High1.0180
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Predominantly Upwind599.41.0011
Predominantly Downwind568.81.0548
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance606.00.9902
Triple Number Coastal/Long Distance Low724.20.8285
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1026.2782.0649.5570.3530.6501.3456.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low724.20.8285
Triple Number All Purpose Medium552.21.0865
Triple Number All Purpose High490.91.2222
Triple Number Windward/Leeward Low930.20.6450
Triple Number Windward/Leeward Medium683.30.8781
Triple Number Windward/Leeward High589.41.0180
Predominantly Upwind599.41.0011
Predominantly Downwind568.81.0548
Predominantly Upwind Low809.00.7416
Predominantly Upwind Medium617.10.9723
Predominantly Upwind High558.51.0743
Predominantly Downwind Low786.80.7626
Predominantly Downwind Medium564.41.0631
Predominantly Downwind High482.81.2428
Chicago-Mac Upwind0.9814
Chicago-Mac All Purpose1.0059
Chicago-Mac Downwind1.0370
Bayview-Mac Cove Island0.9307
Bayview-Mac Shore0.9408
Harvest Moon Regatta487.01.2321
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy573.81.0457
San Francisco Bay Medium673.50.8908
Predominantly Reaching529.31.1336
Predominantly Reaching Low657.30.9128
Predominantly Reaching Medium523.21.1467
Predominantly Reaching High461.51.3000
Windward/Leeward 60-40 Low937.80.6398
Windward/Leeward 60-40 Medium701.50.8553
Windward/Leeward 60-40 High613.00.9788
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1014.10.5917
5-Band Low / Medium849.70.7061
5-Band Medium670.40.8949
5-Band Medium / High599.91.0001
5-Band High566.51.0591
ORC Ref  03190002LATIssued on 11/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

FOUR WINDS

K-3470

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSwan 44Measurement15/05/1993HIN44-014Plan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA13.442Max. Beam3.776Draft2.270Displacement12,784Wetted area36.87IMS L10.860LSM010.710Acc. length12.272Sink (kg/mm) 25.61
VCGD-0.400VCGM-0.381RM Rated (kg·m) 305.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.460PBW0.108PIPA0.0048
PSD0.030PHD0.065PHL0.125
PSA20.0°ESL0.657
ST10.053ST20.110ST30.145
ST40.060ST50.220
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders1Rotating mastNo
P14.780IG16.760ISP16.800MDT10.190MDL10.293MDT2MDL2TLNo TaperMW0.293GO0.293
E4.570J5.650BAS1.740FSDNo FoilSFJ0.190SPLWPLTPS6.630BD0.220MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.400Flotation Date06/05/2021MeasurerComment
SFFP0.963FFMFF1.523LCFcl7.615SG1.0258
SAFP13.026FAMFA0.929LCFsh7.836HBI1.181
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002LATIssued on 11/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

FOUR WINDS

K-3470

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.120.941.662.833.7839.3106/05/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.100.931.813.685.687.7216.35NoNo 61.7409/05/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA18.0816.5817.339.9510.1598%144.2706/05/2021B17.8015.5016.659.109.9591%128.6206/05/2023
ORC Ref  03190002LATIssued on 11/05/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org