International
Certificate
2023

Boat

UNDERLORD

USA 82004

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 Angles46.0°41.8°40.6°39.6°39.4°39.0°38.8°
Beat VMG4.735.816.506.877.117.277.45
52°7.468.769.6410.0910.3510.5110.71
60°8.119.3410.0610.5010.7310.8911.07
75°8.8010.0110.5710.8811.1511.3511.63
90°8.9210.2110.8611.2311.5111.7112.14
110°8.319.8210.7011.2611.7112.1312.88
120°7.669.2710.3711.0911.6111.9912.84
135°6.558.349.7610.7311.3912.0013.32
150°5.457.048.439.6110.5311.1612.18
Run VMG4.726.097.308.329.139.6810.55
Gybe Angles140.6°142.4°145.6°148.7°151.0°151.4°148.4°

APH: 396.0

CDL: 19.094

GPH: 445.6

CertNo: US8204

BOAT
ClassSWAN 82DesignerFrersBuilderNautorAge date01/2002Series date01/1999Offset fileswn80-004.offData fileUSA82-004
HULL
Length Overall24.889 mMaximum Beam5.844 mDraft4.093 mDisplacement42,102 kgDLR4.1010IMS DivisionCruiser/RacerDynamic Allowance0.220%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.690m
CREW
Maximum weight1,300 kgMinimum weight975 kg * when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail170.10172.70Headsail Luffed127.56127.56Headsail Flying286.53286.53SymmetricAsymmetric454.31454.31 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail52.58Storm Jib52.42Heavy Weather Jib141.52
SAIL LIMITS
Headsails8  Spinnakers6
STABILITY
Righting Moment1411.9 kg·mStability Index143.7
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  04560002QN7Issued on 24/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

UNDERLORD

USA 82004

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 VMG760.3620.0554.1523.8506.3495.2483.0
52°482.5410.8373.4356.9348.0342.5336.3
60°443.9385.3357.7342.9335.4330.6325.1
75°408.9359.5340.6330.9322.9317.2309.7
90°403.6352.4331.6320.6312.7307.4296.5
110°433.3366.8336.3319.7307.4296.9279.5
120°469.9388.3347.1324.5310.1300.2280.4
135°549.5431.5368.8335.5316.2300.1270.3
150°660.2511.6427.2374.8341.9322.7295.6
Run VMG762.3590.7493.3432.8394.1371.7341.4
Selected Courses
Windward / Leeward761.3605.4523.7478.3450.2433.4412.2
All purpose565.4462.0409.9381.9364.5353.0336.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward500.81.1980
All purpose396.01.5150
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"1.0652
Downwind "popa"1.2403
70% up, 30% down "Ilhabela"1.1123
30% up, 70% down "Ilhabela-inverso"1.1820
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Predominantly Upwind428.71.3994
Predominantly Downwind405.41.4800
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low513.71.1680
Triple Number All Purpose Medium393.51.5246
Triple Number All Purpose High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Predominantly Upwind428.71.3994
Predominantly Downwind405.41.4800
Predominantly Upwind Low575.01.0434
Predominantly Upwind Medium443.51.3529
Predominantly Upwind High408.71.4682
Predominantly Downwind Low577.21.0395
Predominantly Downwind Medium404.01.4853
Predominantly Downwind High337.11.7798
Chicago-Mac Upwind1.3729
Chicago-Mac All Purpose1.4089
Chicago-Mac Downwind1.4500
Bayview-Mac Cove Island1.3119
Bayview-Mac Shore1.3254
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching370.11.6212
Predominantly Reaching Low457.41.3117
Predominantly Reaching Medium366.41.6375
Predominantly Reaching High322.41.8609
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low749.30.8007
5-Band Low / Medium621.90.9649
5-Band Medium488.01.2296
5-Band Medium / High436.41.3747
5-Band High415.91.4427
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance436.0
Triple Number Coastal/Long Distance Low513.7
Triple Number Coastal/Long Distance Medium393.5
Triple Number Coastal/Long Distance High349.7
Triple Number Windward/Leeward Low683.4
Triple Number Windward/Leeward Medium497.0
Triple Number Windward/Leeward High429.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1680
Triple Number Coastal/Long Distance Medium1.5246
Triple Number Coastal/Long Distance High1.7158
Triple Number Windward/Leeward Low0.8780
Triple Number Windward/Leeward Medium1.2072
Triple Number Windward/Leeward High1.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low513.7
Triple Number Coastal/Long Distance Medium393.5
Triple Number Coastal/Long Distance High349.7
Triple Number Windward/Leeward Low683.4
Triple Number Windward/Leeward Medium497.0
Triple Number Windward/Leeward High429.7
Predominantly Upwind428.7
Predominantly Downwind405.4
Predominantly Reaching382.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1680
Triple Number Coastal/Long Distance Medium1.5246
Triple Number Coastal/Long Distance High1.7158
Triple Number Windward/Leeward Low0.8780
Triple Number Windward/Leeward Medium1.2072
Triple Number Windward/Leeward High1.3964
Coastal/Long Distance1.3762
Predominantly Upwind1.3994
Predominantly Downwind1.4800
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.1680
Tretall Distanseseilas Mellomvind1.5246
Tretall Distanseseilas Mye vind1.7158
Tretall Pølsebane Lite vind0.8780
Tretall Pølsebane Mellomvind1.2072
Tretall Pølsebane Mye vind1.3964
Distanseseilas ett tall (OSN 8-16kn)1.3762
Distanseseilas ett tall (APH 6-20kn)1.5150
Enkeltall Motvind1.3994
Enkeltall Medvind1.4800
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Coastal/Long Distance436.01.3762
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind428.71.3994
Predominantly Downwind405.41.4800
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore418.61.4334
Cape Doctor Coastal341.51.7571
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1680
Triple Number Coastal/Long Distance Medium1.5246
Triple Number Coastal/Long Distance High1.7158
Triple Number Windward/Leeward Low0.8780
Triple Number Windward/Leeward Medium1.2072
Triple Number Windward/Leeward High1.3964
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.1680
Triple Number Coastal/Long Distance Medium1.5246
Triple Number Coastal/Long Distance High1.7158
Triple Number Windward/Leeward Low0.8780
Triple Number Windward/Leeward Medium1.2072
Triple Number Windward/Leeward High1.3964
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Predominantly Upwind428.71.3994
Predominantly Downwind405.41.4800
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance436.01.3762
Triple Number Coastal/Long Distance Low513.71.1680
Triple Number Coastal/Long Distance Medium393.51.5246
Triple Number Coastal/Long Distance High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance761.4566.2467.7410.5379.2356.9322.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low513.71.1680
Triple Number All Purpose Medium393.51.5246
Triple Number All Purpose High349.71.7158
Triple Number Windward/Leeward Low683.40.8780
Triple Number Windward/Leeward Medium497.01.2072
Triple Number Windward/Leeward High429.71.3964
Predominantly Upwind428.71.3994
Predominantly Downwind405.41.4800
Predominantly Upwind Low575.01.0434
Predominantly Upwind Medium443.51.3529
Predominantly Upwind High408.71.4682
Predominantly Downwind Low577.21.0395
Predominantly Downwind Medium404.01.4853
Predominantly Downwind High337.11.7798
Chicago-Mac Upwind1.3729
Chicago-Mac All Purpose1.4089
Chicago-Mac Downwind1.4500
Bayview-Mac Cove Island1.3119
Bayview-Mac Shore1.3254
Harvest Moon Regatta339.61.7665
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy417.11.4385
San Francisco Bay Medium489.11.2268
Predominantly Reaching370.11.6212
Predominantly Reaching Low457.41.3117
Predominantly Reaching Medium366.41.6375
Predominantly Reaching High322.41.8609
Windward/Leeward 60-40 Low684.70.8763
Windward/Leeward 60-40 Medium510.81.1746
Windward/Leeward 60-40 High451.41.3293
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low749.30.8007
5-Band Low / Medium621.90.9649
5-Band Medium488.01.2296
5-Band Medium / High436.41.3747
5-Band High415.91.4427
ORC Ref  04560002QN7Issued on 24/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

UNDERLORD

USA 82004

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSWAN 82Measurement07/06/2023HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA24.889Max. Beam5.844Draft4.093Displacement42,102Wetted area96.46IMS L21.935LSM021.732Acc. length18.993Sink (kg/mm) 71.16
VCGD-0.213VCGM-0.312RM Rated (kg·m) 1411.9Limit of positive stability(°) 128.7Stability Index143.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.690PBW0.175PIPA0.0242
PSD0.051PHD0.160PHL0.205
PSA21.5°ESL1.800
ST10.061ST20.225ST30.280
ST40.100ST50.385
RIG
Forestay tensionAftInner stayFixedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/CheckstaysSpreaders4Rotating mastNo
P29.660IG32.210ISP32.250MDT10.203MDL10.428MDT20.183MDL20.340TL5.500MW0.340GO0.386
E10.130J8.900BAS2.385FSD0.060SFJ0.730SPLWPLTPS9.500BD0.620MWT1541.20MCG11.053
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date12/06/2023MeasurerE295CommentGood conditions
SFFP0.522FFM2.191FF2.196LCFcl13.888SG1.0275
SAFP22.796FAM1.507FA1.537LCFsh14.192HBI1.761
W1577.4W2577.4W3577.4W4577.4LCFD14.300
PD1265.3PD2265.0PD3266.4PD4266.0
WD8.415PLM9000.00GSA1.0RSA1.0RM1440.2
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG#6Water Tank StbWater600011.10-0.10#5Water Tank PtWater600011.10-0.10#4Stainless Steel Fuel Tank Stb 2Fuel45045016.37-0.10#3Stainless Steel Fuel Tank Stb 1Fuel45045014.20-0.10#2Stainless Steel Fuel Tank Pt 2Fuel45045016.37-0.10#1Stainless Steel Fuel Tank Pt 1Fuel45045014.20-0.10Total deductible151215.29-0.10
Total deductible
ORC Ref  04560002QN7Issued on 24/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

UNDERLORD

USA 82004

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-10.211.853.416.128.22170.1014/04/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentHSF0.042.575.2310.0313.8416.2431.20NoYes0286.5324/07/2023164-001JIB-10.090.961.883.866.048.3331.80YesNo 127.5624/05/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA-spi32.1431.3431.7417.1417.3299%454.3124/07/20237065- remeasure
ORC Ref  04560002QN7Issued on 24/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org