Club
Certificate
2024

Boat

Patriot IV

USA 118

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 24 kt
Beat Angles43.9°41.7°39.2°38.1°37.9°38.1°38.4°40.0°
Beat VMG3.324.044.524.694.764.794.834.73
52°5.105.986.456.696.826.917.036.99
60°5.386.196.677.027.197.317.477.48
75°5.576.336.887.467.798.028.338.50
90°5.646.496.897.538.278.799.429.86
110°5.746.697.518.068.569.0410.4711.86
120°5.606.597.488.439.129.7611.0212.52
135°5.036.166.977.889.0310.3312.8414.54
150°4.255.396.236.947.748.7411.9715.15
Run VMG3.684.665.396.016.707.5710.3613.12
Gybe Angles143.5°147.7°150.3°148.4°145.4°144.5°141.9°147.1°
APH ToD:562.0CDL: 7.420APH ToT: 1.0677CertNo:US6539
BOAT
ClassMelges 24DesignerReichel/PughBuilderMelges BoatworksAge date01/1998Series date12/1992Offset fileMELG24.OD.offData fileUS6539
HULL
Length Overall7.509 mMaximum Beam2.490 mDraft1.525 mDisplacement821 kgDLR2.7391IMS DivisionSportboatDynamic Allowance0.070%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight388 kg(default)Minimum weight258 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.7621.55Headsail Luffed11.4011.40Headsail FlyingSymmetricAsymmetric53.8553.85 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail5.87Storm Jib3.72Heavy Weather Jib10.04
SAIL LIMITS
Headsails5  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  045600034QAIssued on 18/04/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
2024

Boat

Patriot IV

USA 118

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 24 kt
Beat VMG1084.6890.3796.4767.0755.9751.3744.9761.8
52°706.4602.1558.0538.0527.5520.8512.1515.3
60°668.8581.8539.7512.9500.8492.5482.2481.4
75°646.4568.4523.2482.9461.8448.8432.1423.4
90°638.3554.7522.7477.9435.1409.7382.1365.1
110°626.7538.2479.1446.8420.7398.1343.8303.5
120°642.9546.2481.4427.1394.6369.0326.8287.4
135°716.2584.1516.6456.8398.8348.6280.4247.6
150°847.1668.4578.1519.0465.1411.9300.9237.6
Run VMG978.2771.9667.3599.3537.1475.7347.4274.3
Selected Courses
Windward / Leeward1031.4831.1731.9683.1646.5613.5546.2518.1
All purpose793.2657.6589.1547.4516.0490.5445.3423.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward703.90.8523
All purpose562.01.0677
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7253
Downwind "popa"0.9596
70% up, 30% down "Ilhabela"0.7827
30% up, 70% down "Ilhabela-inverso"0.8748
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Predominantly Upwind623.00.9631
Predominantly Downwind558.51.0744
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low725.40.8271
Triple Number AP Medium562.71.0663
Triple Number AP High479.91.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Single Number Predominant Upwind621.00.9662
Single Number Predominant Reaching532.21.1275
Single Number Predominant Downwind560.21.0711
Predominant Upwind - Low808.00.7426
Predominant Upwind - Low/Med681.60.8802
Predominant Upwind - Medium604.60.9924
Predominant Upwind - Med/High557.51.0763
Predominant Upwind - High532.11.1275
Predominant Downwind Low782.60.7667
Predominant Downwind Low/Med643.70.9320
Predominant Downwind Medium543.21.1046
Predominant Downwind Med/High452.41.3263
Predominant Downwind High385.71.5556
Predominant Reaching Low708.10.8473
Predominant Reaching Low/Med599.21.0014
Predominant Reaching Medium518.91.1564
Predominant Reaching Med/High449.21.3358
Predominant Reaching High407.21.4737
SA/DSPL Upwind36.70SA/DSPL Downwind85.15
Scoring OptionTODTOT
5-Band Windward/Leeward Low985.90.6086
5-Band Windward/Leeward Low/Med803.80.7465
5-Band Windward/Leeward Medium691.50.8677
5-Band Windward/Leeward Med/High613.50.9779
5-Band Windward/Leeward High553.01.0851
Windward/Leeward 60-40 Low996.80.6019
Windward/Leeward 60-40 Low/Med816.50.7348
Windward/Leeward 60-40 Medium708.90.8463
Windward/Leeward 60-40 Med/High641.30.9356
Windward/Leeward 60-40 High592.11.0133
5-Band AP Low762.50.7869
5-Band AP Low/Med637.10.9417
5-Band AP Medium553.51.0841
5-Band AP Med/High492.01.2196
5-Band AP High449.41.3350
5-Band SF Bay Tour - Low938.60.6392
5-Band SF Bay Tour - Low/Med769.10.7801
5-Band SF Bay Tour - Medium664.40.9031
5-Band SF Bay Tour - Med/High593.71.0106
5-Band SF Bay Tour - High542.31.1063
Chicago-Mac Upwind0.9462
Chicago-Mac All Purpose0.9955
Chicago-Mac Downwind1.0515
Bayview-Mac Cove Island0.9252
Bayview-Mac Shore0.9305
Harvest Moon Regatta460.41.3033
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance612.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8271
Triple Number Coastal/Long Distance Medium1.0665
Triple Number Coastal/Long Distance High1.2501
Triple Number Windward/Leeward Low0.6443
Triple Number Windward/Leeward Medium0.8540
Triple Number Windward/Leeward High1.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low725.4
Triple Number Coastal/Long Distance Medium562.6
Triple Number Coastal/Long Distance High480.0
Triple Number Windward/Leeward Low931.2
Triple Number Windward/Leeward Medium702.6
Triple Number Windward/Leeward High596.5
Predominantly Upwind623.0
Predominantly Downwind558.5
Predominantly Reaching536.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8271
Triple Number Coastal/Long Distance Medium1.0665
Triple Number Coastal/Long Distance High1.2501
Triple Number Windward/Leeward Low0.6443
Triple Number Windward/Leeward Medium0.8540
Triple Number Windward/Leeward High1.0059
Coastal/Long Distance0.9800
Predominantly Upwind0.9631
Predominantly Downwind1.0744
For information
General Purpose Handicap (GPH)631.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8271
Tretall Distanseseilas Mellomvind1.0665
Tretall Distanseseilas Mye vind1.2501
Tretall Pølsebane Lite vind0.6443
Tretall Pølsebane Mellomvind0.8540
Tretall Pølsebane Mye vind1.0059
Distanseseilas ett tall1.0677
Enkeltall Motvind0.9631
Enkeltall Medvind1.0744
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Coastal/Long Distance612.30.9800
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind623.00.9631
Predominantly Downwind558.51.0744
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore526.51.1396
Cape Doctor Coastal430.31.3944
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8271
Triple Number Coastal/Long Distance Medium1.0665
Triple Number Coastal/Long Distance High1.2501
Triple Number Windward/Leeward Low0.6443
Triple Number Windward/Leeward Medium0.8540
Triple Number Windward/Leeward High1.0059
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8271
Triple Number Coastal/Long Distance Medium1.0665
Triple Number Coastal/Long Distance High1.2501
Triple Number Windward/Leeward Low0.6443
Triple Number Windward/Leeward Medium0.8540
Triple Number Windward/Leeward High1.0059
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Predominantly Upwind623.00.9631
Predominantly Downwind558.51.0744
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance612.30.9800
Triple Number Coastal/Long Distance Low725.40.8271
Triple Number Coastal/Long Distance Medium562.61.0665
Triple Number Coastal/Long Distance High480.01.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1026.1782.4661.4586.6536.9493.4418.0392.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low725.40.8271
Triple Number AP Medium562.71.0663
Triple Number AP High479.91.2501
Triple Number Windward/Leeward Low931.20.6443
Triple Number Windward/Leeward Medium702.60.8540
Triple Number Windward/Leeward High596.51.0059
Single Number Predominant Upwind621.00.9662
Single Number Predominant Reaching532.21.1275
Single Number Predominant Downwind560.21.0711
Predominant Upwind - Low808.00.7426
Predominant Upwind - Low/Med681.60.8802
Predominant Upwind - Medium604.60.9924
Predominant Upwind - Med/High557.51.0763
Predominant Upwind - High532.11.1275
Predominant Downwind Low782.60.7667
Predominant Downwind Low/Med643.70.9320
Predominant Downwind Medium543.21.1046
Predominant Downwind Med/High452.41.3263
Predominant Downwind High385.71.5556
Predominant Reaching Low708.10.8473
Predominant Reaching Low/Med599.21.0014
Predominant Reaching Medium518.91.1564
Predominant Reaching Med/High449.21.3358
Predominant Reaching High407.21.4737
SA/DSPL Upwind36.70SA/DSPL Downwind85.15
Scoring OptionTODTOT
5-Band Windward/Leeward Low985.90.6086
5-Band Windward/Leeward Low/Med803.80.7465
5-Band Windward/Leeward Medium691.50.8677
5-Band Windward/Leeward Med/High613.50.9779
5-Band Windward/Leeward High553.01.0851
Windward/Leeward 60-40 Low996.80.6019
Windward/Leeward 60-40 Low/Med816.50.7348
Windward/Leeward 60-40 Medium708.90.8463
Windward/Leeward 60-40 Med/High641.30.9356
Windward/Leeward 60-40 High592.11.0133
5-Band AP Low762.50.7869
5-Band AP Low/Med637.10.9417
5-Band AP Medium553.51.0841
5-Band AP Med/High492.01.2196
5-Band AP High449.41.3350
5-Band SF Bay Tour - Low938.60.6392
5-Band SF Bay Tour - Low/Med769.10.7801
5-Band SF Bay Tour - Medium664.40.9031
5-Band SF Bay Tour - Med/High593.71.0106
5-Band SF Bay Tour - High542.31.1063
Chicago-Mac Upwind0.9462
Chicago-Mac All Purpose0.9955
Chicago-Mac Downwind1.0515
Bayview-Mac Cove Island0.9252
Bayview-Mac Shore0.9305
Harvest Moon Regatta460.41.3033
ORC Ref  045600034QAIssued on 18/04/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
2024

Boat

Patriot IV

USA 118

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMelges 24MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.509Max. Beam2.490Draft1.525Displacement821Wetted area10.31IMS L7.259LSM06.692Acc. length7.509Sink (kg/mm) 8.78
VCGD0.050VCGM0.030RM Rated (kg·m) 24.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight388Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders1Rotating mastNo
P8.818IG8.620ISP9.777MDT10.076MDL10.120MDT20.062MDL20.075TL1.578MW0.114GO0.114
E3.800J2.506BAS1.000FSD0.000SFJ0.200SPL0.000WPLTPS4.106BD0.103MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.050Flotation Date01/06/2016
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  045600034QAIssued on 18/04/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
2024

Boat

Patriot IV

USA 118

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment143-9490.180.871.572.583.2820.762020 MAIN
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment141-5700.050.400.761.422.092.768.06YesNo 11.40
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA211.5510.1510.855.876.3093%53.852020 A2 RUNR
ORC Ref  045600034QAIssued on 18/04/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org