International
Certificate
2023

Boat

Skeleton Key

USA 37022

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°40.6°38.7°38.4°38.2°38.2°38.7°
Beat VMG4.195.065.455.645.745.795.79
52°6.387.427.848.058.188.288.36
60°6.727.678.138.398.578.698.83
75°6.987.838.448.919.199.409.68
90°7.218.118.699.109.6710.1010.69
110°7.028.068.899.7210.4010.9612.03
120°6.747.928.819.6810.5611.5113.04
135°5.957.498.409.3310.4611.6814.12
150°4.986.347.468.369.1710.2213.08
Run VMG4.315.496.467.247.948.8511.33
Gybe Angles142.4°145.1°148.3°151.0°148.3°146.5°144.4°

APH: 467.8

CDL: 10.890

GPH: 523.4

CertNo: US3722

BOAT
ClassIC-37DesignerMillsBuilderMelgesAge date11/2018Series date01/2017Offset fileic37.OD.offData fileUSA 37022
HULL
Length Overall11.300 mMaximum Beam3.648 mDraft2.512 mDisplacement3,533 kgDLR3.1997IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.195%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.415m
CREW
Maximum weight758 kgMinimum weight569 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail51.0352.47Headsail Luffed35.7035.70Headsail FlyingSymmetricAsymmetric163.29163.29 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail12.95Storm Jib11.46Heavy Weather Jib30.93
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment135.0 kg·mStability Index123.1
COMMENTS
greg@nmydesign.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  04560002NOQIssued on 05/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Skeleton Key

USA 37022

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 VMG858.5711.9660.3638.6627.4621.2621.6
52°564.4485.0458.9447.5440.1434.9430.7
60°535.8469.4442.6429.1420.2414.0407.6
75°515.7459.8426.6404.2391.9383.1371.9
90°499.4443.8414.2395.6372.2356.4336.9
110°513.0446.4405.0370.2346.0328.5299.2
120°534.2454.5408.5371.8341.1312.8276.1
135°605.3480.5428.6385.7344.3308.3254.9
150°723.6568.2482.5430.8392.6352.4275.2
Run VMG835.5656.1557.2497.2453.3406.9317.8
Selected Courses
Windward / Leeward847.0684.0608.7567.9540.4514.1469.7
All purpose646.5537.9487.3456.6433.6413.8383.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward585.81.0242
All purpose467.81.2825
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8862
Downwind "popa"1.1278
70% up, 30% down "Ilhabela"0.9471
30% up, 70% down "Ilhabela-inverso"1.0425
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Predominantly Upwind514.11.1671
Predominantly Downwind466.51.2862
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low592.21.0132
Triple Number All Purpose Medium467.91.2824
Triple Number All Purpose High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Predominantly Upwind514.11.1671
Predominantly Downwind466.51.2862
Predominantly Upwind Low658.90.9107
Predominantly Upwind Medium538.71.1139
Predominantly Upwind High508.21.1806
Predominantly Downwind Low648.10.9257
Predominantly Downwind Medium465.51.2889
Predominantly Downwind High361.01.6619
Chicago-Mac Upwind1.1463
Chicago-Mac All Purpose1.1996
Chicago-Mac Downwind1.2600
Bayview-Mac Cove Island1.1231
Bayview-Mac Shore1.1298
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching438.01.3698
Predominantly Reaching Low532.11.1277
Predominantly Reaching Medium436.11.3757
Predominantly Reaching High368.61.6277
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low834.40.7190
5-Band Low / Medium704.50.8517
5-Band Medium575.21.0431
5-Band Medium / High515.61.1637
5-Band High477.41.2569
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance510.4
Triple Number Coastal/Long Distance Low592.2
Triple Number Coastal/Long Distance Medium467.9
Triple Number Coastal/Long Distance High407.4
Triple Number Windward/Leeward Low765.5
Triple Number Windward/Leeward Medium584.3
Triple Number Windward/Leeward High504.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0132
Triple Number Coastal/Long Distance Medium1.2824
Triple Number Coastal/Long Distance High1.4728
Triple Number Windward/Leeward Low0.7838
Triple Number Windward/Leeward Medium1.0269
Triple Number Windward/Leeward High1.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low592.2
Triple Number Coastal/Long Distance Medium467.9
Triple Number Coastal/Long Distance High407.4
Triple Number Windward/Leeward Low765.5
Triple Number Windward/Leeward Medium584.3
Triple Number Windward/Leeward High504.0
Predominantly Upwind514.1
Predominantly Downwind466.5
Predominantly Reaching446.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0132
Triple Number Coastal/Long Distance Medium1.2824
Triple Number Coastal/Long Distance High1.4728
Triple Number Windward/Leeward Low0.7838
Triple Number Windward/Leeward Medium1.0269
Triple Number Windward/Leeward High1.1905
Coastal/Long Distance1.1756
Predominantly Upwind1.1671
Predominantly Downwind1.2862
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0132
Tretall Distanseseilas Mellomvind1.2824
Tretall Distanseseilas Mye vind1.4728
Tretall Pølsebane Lite vind0.7838
Tretall Pølsebane Mellomvind1.0269
Tretall Pølsebane Mye vind1.1905
Distanseseilas ett tall (OSN 8-16kn)1.1756
Distanseseilas ett tall (APH 6-20kn)1.2825
Enkeltall Motvind1.1671
Enkeltall Medvind1.2862
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Coastal/Long Distance510.41.1756
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind514.11.1671
Predominantly Downwind466.51.2862
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore483.01.2422
Cape Doctor Coastal392.61.5283
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0132
Triple Number Coastal/Long Distance Medium1.2824
Triple Number Coastal/Long Distance High1.4728
Triple Number Windward/Leeward Low0.7838
Triple Number Windward/Leeward Medium1.0269
Triple Number Windward/Leeward High1.1905
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0132
Triple Number Coastal/Long Distance Medium1.2824
Triple Number Coastal/Long Distance High1.4728
Triple Number Windward/Leeward Low0.7838
Triple Number Windward/Leeward Medium1.0269
Triple Number Windward/Leeward High1.1905
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Predominantly Upwind514.11.1671
Predominantly Downwind466.51.2862
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance510.41.1756
Triple Number Coastal/Long Distance Low592.21.0132
Triple Number Coastal/Long Distance Medium467.91.2824
Triple Number Coastal/Long Distance High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.8644.0548.7490.5452.1416.6359.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low592.21.0132
Triple Number All Purpose Medium467.91.2824
Triple Number All Purpose High407.41.4728
Triple Number Windward/Leeward Low765.50.7838
Triple Number Windward/Leeward Medium584.31.0269
Triple Number Windward/Leeward High504.01.1905
Predominantly Upwind514.11.1671
Predominantly Downwind466.51.2862
Predominantly Upwind Low658.90.9107
Predominantly Upwind Medium538.71.1139
Predominantly Upwind High508.21.1806
Predominantly Downwind Low648.10.9257
Predominantly Downwind Medium465.51.2889
Predominantly Downwind High361.01.6619
Chicago-Mac Upwind1.1463
Chicago-Mac All Purpose1.1996
Chicago-Mac Downwind1.2600
Bayview-Mac Cove Island1.1231
Bayview-Mac Shore1.1298
Harvest Moon Regatta389.01.5422
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy489.81.2249
San Francisco Bay Medium570.91.0510
Predominantly Reaching438.01.3698
Predominantly Reaching Low532.11.1277
Predominantly Reaching Medium436.11.3757
Predominantly Reaching High368.61.6277
Windward/Leeward 60-40 Low769.40.7798
Windward/Leeward 60-40 Medium606.30.9896
Windward/Leeward 60-40 High544.51.1020
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low834.40.7190
5-Band Low / Medium704.50.8517
5-Band Medium575.21.0431
5-Band Medium / High515.61.1637
5-Band High477.41.2569
ORC Ref  04560002NOQIssued on 05/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Skeleton Key

USA 37022

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIC-37Measurement21/07/2020HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA11.300Max. Beam3.648Draft2.512Displacement3,533Wetted area25.16IMS L10.842LSM010.335Acc. length11.300Sink (kg/mm) 19.30
VCGD-0.303VCGM-0.394RM Rated (kg·m) 135.0Limit of positive stability(°) 127.7Stability Index123.1
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.415PBW0.105PIPA0.0035
EDL1.170ST10.042ST20.180
ST30.180ST40.112ST50.270
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.800IG15.066ISP16.425MDT10.128MDL10.217MDT20.114MDL20.165TL1.335MW0.232GO0.252
E5.000J4.390BAS1.670FSD0.000SFJ0.105SPLWPLTPS6.821BD0.225MWT161.50MCG4.997
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date10/07/2020MeasurerComment
SFFP0.600FFM1.256FF1.257LCFcl5.999SG1.0220
SAFP11.300FAM0.946FA0.948LCFsh6.229HBI1.125
W191.1W291.1W391.1W491.1
PD1481.4PD2481.4PD3481.4PD4481.4
WD9.140PLM9000.00GSA1.0RSA1.0RM136.2
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel PVC Centerline aft of engine0.900057197.000.00Total deductible177.000.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery12V Group 27 house battery296.100.101Battery12V Group 27 engine battery296.100.101EngineYanmar 3YM20CE 21 HPTotal deductible0
ORC Ref  04560002NOQIssued on 05/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

Skeleton Key

USA 37022

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain1.501.922.613.624.3851.0320/07/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.080.701.312.363.424.5015.28YesNo 35.7019/07/2019J20.080.701.302.353.404.5115.27YesNo 35.5720/07/2019J30.080.591.122.183.294.5115.28YesNo 33.9823/07/2019
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-118.6516.3117.4811.1111.6196%163.2904/11/2019A1-118.5316.0017.2710.3211.3091%151.3022/07/2019A3-118.1016.2217.168.7810.8881%131.5624/07/2019A0-117.1216.2416.686.438.5675%95.3023/04/2020
ORC Ref  04560002NOQIssued on 05/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org