Club
Certificate
2023

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
Beat Angles43.8°41.4°39.0°38.2°38.1°38.2°39.0°
Beat VMG3.344.064.534.694.754.774.78
52°5.136.016.486.716.846.926.99
60°5.426.216.717.057.227.337.44
75°5.606.366.927.517.858.088.35
90°5.666.516.927.598.368.879.45
110°5.766.727.568.118.629.1110.65
120°5.626.627.528.509.199.8411.12
135°5.056.197.007.949.1110.4612.95
150°4.275.416.256.977.818.8212.13
Run VMG3.694.685.416.046.767.6410.50
Gybe Angles143.5°147.8°150.5°148.3°145.5°144.7°142.2°

APH: 559.8

CDL: 7.411

GPH: 629.1

CertNo: 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 Allowance0.050%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight388 kgMinimum weight291 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  04560002SU4Issued on 05/10/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

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
Beat VMG1078.6885.7794.2767.3757.5754.1753.9
52°702.3599.4555.9536.6526.5520.6515.2
60°664.8579.4536.8510.9498.8491.3484.0
75°642.6566.1520.2479.6458.6445.8431.0
90°635.7552.9520.0474.1430.8405.8380.9
110°624.6536.0476.3444.0417.7395.0338.0
120°640.4544.2478.5423.7391.6366.0323.8
135°713.3582.0514.3453.3395.1344.0278.0
150°844.0665.8576.1516.3461.2408.0296.8
Run VMG974.6768.8664.9596.2532.6471.1342.8
Selected Courses
Windward / Leeward1026.6827.2729.6681.8645.1612.6548.3
All purpose789.5654.8586.7545.2513.8488.7445.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward702.20.8545
All purpose559.81.0719
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7252
Downwind "popa"0.9653
70% up, 30% down "Ilhabela"0.7837
30% up, 70% down "Ilhabela-inverso"0.8781
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Predominantly Upwind621.20.9659
Predominantly Downwind555.51.0801
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low722.10.8309
Triple Number All Purpose Medium560.31.0708
Triple Number All Purpose High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Predominantly Upwind621.20.9659
Predominantly Downwind555.51.0801
Predominantly Upwind Low813.80.7373
Predominantly Upwind Medium650.10.9230
Predominantly Upwind High608.60.9859
Predominantly Downwind Low775.00.7741
Predominantly Downwind Medium554.01.0831
Predominantly Downwind High411.11.4594
Chicago-Mac Upwind0.9488
Chicago-Mac All Purpose0.9994
Chicago-Mac Downwind1.0567
Bayview-Mac Cove Island0.9296
Bayview-Mac Shore0.9349
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching524.51.1440
Predominantly Reaching Low652.20.9200
Predominantly Reaching Medium524.61.1437
Predominantly Reaching High425.71.4093
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1011.20.5933
5-Band Low / Medium850.90.7051
5-Band Medium689.80.8699
5-Band Medium / High613.10.9787
5-Band High559.51.0725
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance609.9
Triple Number Coastal/Long Distance Low722.1
Triple Number Coastal/Long Distance Medium560.3
Triple Number Coastal/Long Distance High478.8
Triple Number Windward/Leeward Low926.9
Triple Number Windward/Leeward Medium700.6
Triple Number Windward/Leeward High596.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8309
Triple Number Coastal/Long Distance Medium1.0708
Triple Number Coastal/Long Distance High1.2532
Triple Number Windward/Leeward Low0.6473
Triple Number Windward/Leeward Medium0.8564
Triple Number Windward/Leeward High1.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low722.1
Triple Number Coastal/Long Distance Medium560.3
Triple Number Coastal/Long Distance High478.8
Triple Number Windward/Leeward Low926.9
Triple Number Windward/Leeward Medium700.6
Triple Number Windward/Leeward High596.6
Predominantly Upwind621.2
Predominantly Downwind555.5
Predominantly Reaching533.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8309
Triple Number Coastal/Long Distance Medium1.0708
Triple Number Coastal/Long Distance High1.2532
Triple Number Windward/Leeward Low0.6473
Triple Number Windward/Leeward Medium0.8564
Triple Number Windward/Leeward High1.0057
Coastal/Long Distance0.9837
Predominantly Upwind0.9659
Predominantly Downwind1.0801
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8309
Tretall Distanseseilas Mellomvind1.0708
Tretall Distanseseilas Mye vind1.2532
Tretall Pølsebane Lite vind0.6473
Tretall Pølsebane Mellomvind0.8564
Tretall Pølsebane Mye vind1.0057
Distanseseilas ett tall (OSN 8-16kn)0.9837
Distanseseilas ett tall (APH 6-20kn)1.0719
Enkeltall Motvind0.9659
Enkeltall Medvind1.0801
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Coastal/Long Distance609.90.9837
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind621.20.9659
Predominantly Downwind555.51.0801
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore567.61.0570
Cape Doctor Coastal458.51.3087
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8309
Triple Number Coastal/Long Distance Medium1.0708
Triple Number Coastal/Long Distance High1.2532
Triple Number Windward/Leeward Low0.6473
Triple Number Windward/Leeward Medium0.8564
Triple Number Windward/Leeward High1.0057
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8309
Triple Number Coastal/Long Distance Medium1.0708
Triple Number Coastal/Long Distance High1.2532
Triple Number Windward/Leeward Low0.6473
Triple Number Windward/Leeward Medium0.8564
Triple Number Windward/Leeward High1.0057
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Predominantly Upwind621.20.9659
Predominantly Downwind555.51.0801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance609.90.9837
Triple Number Coastal/Long Distance Low722.10.8309
Triple Number Coastal/Long Distance Medium560.31.0708
Triple Number Coastal/Long Distance High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.4778.9659.0584.7534.8491.5417.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low722.10.8309
Triple Number All Purpose Medium560.31.0708
Triple Number All Purpose High478.81.2532
Triple Number Windward/Leeward Low926.90.6473
Triple Number Windward/Leeward Medium700.60.8564
Triple Number Windward/Leeward High596.61.0057
Predominantly Upwind621.20.9659
Predominantly Downwind555.51.0801
Predominantly Upwind Low813.80.7373
Predominantly Upwind Medium650.10.9230
Predominantly Upwind High608.60.9859
Predominantly Downwind Low775.00.7741
Predominantly Downwind Medium554.01.0831
Predominantly Downwind High411.11.4594
Chicago-Mac Upwind0.9488
Chicago-Mac All Purpose0.9994
Chicago-Mac Downwind1.0567
Bayview-Mac Cove Island0.9296
Bayview-Mac Shore0.9349
Harvest Moon Regatta457.21.3124
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy581.31.0322
San Francisco Bay Medium684.80.8761
Predominantly Reaching524.51.1440
Predominantly Reaching Low652.20.9200
Predominantly Reaching Medium524.61.1437
Predominantly Reaching High425.71.4093
Windward/Leeward 60-40 Low937.90.6397
Windward/Leeward 60-40 Medium728.90.8232
Windward/Leeward 60-40 High650.50.9224
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1011.20.5933
5-Band Low / Medium850.90.7051
5-Band Medium689.80.8699
5-Band Medium / High613.10.9787
5-Band High559.51.0725
ORC Ref  04560002SU4Issued on 05/10/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

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 L7.247LSM06.692Acc. length7.509Sink (kg/mm) 8.78
VCGD0.050VCGM0.030RM Rated (kg·m) 24.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/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 Date01/06/2016MeasurerComment
SFFP0.130FFMFF0.883LCFcl4.135SG1.0225
SAFP7.370FAMFA0.599LCFsh4.315HBI0.799
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002SU4Issued on 05/10/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

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.DateComment141-5700.050.400.761.422.092.768.06NoNo 11.40
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA211.5510.1510.855.876.3093%53.852020 A2 RUNR
ORC Ref  04560002SU4Issued on 05/10/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org