Club
Certificate
2023

Boat

MATCHLESS

GBR-171

ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.0°40.8°40.2°39.6°39.0°38.5°38.2°
Beat VMG4.124.905.345.605.775.896.03
52°6.267.267.838.108.268.378.49
60°6.577.558.088.358.508.608.72
75°6.767.728.268.568.758.879.04
90°6.627.638.268.628.869.049.31
110°6.127.358.198.689.009.269.70
120°5.857.088.018.588.979.279.79
135°5.166.457.498.258.749.109.72
150°4.365.596.597.438.038.449.01
Run VMG3.784.845.716.446.967.418.41
Gybe Angles143.3°147.5°148.0°147.8°148.3°168.5°172.1°

APH: 501.2

CDL: 12.302

GPH: 561.5

CertNo: 061901

BOAT
ClassSWAN 57DesignerSPARKMAN&STEPHENSBuilderNAUTORAge date01/1978Series date01/1978Offset fileSWN57S&S.offData fileGBR171
HULL
Length Overall17.460 mMaximum Beam4.742 mDraft2.840 mDisplacement23,983 kgDLR9.6250IMS DivisionCruiser/RacerDynamic Allowance0.490%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.650m
CREW
Maximum weight1,100 kgMinimum weight825 kg * when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail66.1667.06Headsail Luffed138.88138.88Headsail FlyingSymmetricAsymmetric180.90193.72 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail19.33Storm Jib25.97Heavy Weather Jib70.12
SAIL LIMITS
Headsails7  Spinnakers5
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  03860002OO1Issued on 19/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MATCHLESS

GBR-171

ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG874.7734.4674.8642.9624.0610.8596.6
52°575.3495.6460.0444.5435.8430.4424.0
60°548.2477.1445.4431.1423.5418.5412.9
75°532.6466.5435.8420.6411.6405.7398.3
90°544.0471.8435.9417.5406.3398.3386.5
110°588.0490.0439.5414.8400.0389.0371.2
120°615.9508.3449.6419.4401.5388.4367.7
135°697.0558.1480.9436.5412.1395.7370.3
150°825.6644.4546.0484.5448.3426.8399.6
Run VMG953.3744.1630.4559.4517.6485.9428.2
Selected Courses
Windward / Leeward914.0739.2652.6601.1570.8548.3512.4
All purpose699.9578.4518.0484.2464.5450.7431.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward625.10.9599
All purpose501.21.1971
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8827
Downwind "popa"0.9725
70% up, 30% down "Ilhabela"0.9078
30% up, 70% down "Ilhabela-inverso"0.9437
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Predominantly Upwind534.01.1236
Predominantly Downwind518.51.1572
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low639.20.9387
Triple Number All Purpose Medium498.41.2039
Triple Number All Purpose High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Predominantly Upwind534.01.1236
Predominantly Downwind518.51.1572
Predominantly Upwind Low692.80.8660
Predominantly Upwind Medium548.71.0936
Predominantly Upwind High511.01.1741
Predominantly Downwind Low721.80.8312
Predominantly Downwind Medium521.21.1512
Predominantly Downwind High438.11.3695
Chicago-Mac Upwind1.1034
Chicago-Mac All Purpose1.1175
Chicago-Mac Downwind1.1348
Bayview-Mac Cove Island1.0491
Bayview-Mac Shore1.0657
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching474.41.2647
Predominantly Reaching Low581.91.0311
Predominantly Reaching Medium470.81.2745
Predominantly Reaching High417.21.4381
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low900.50.6663
5-Band Low / Medium759.00.7905
5-Band Medium611.80.9808
5-Band Medium / High550.51.0899
5-Band High518.61.1569
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance547.5
Triple Number Coastal/Long Distance Low639.2
Triple Number Coastal/Long Distance Medium498.4
Triple Number Coastal/Long Distance High446.8
Triple Number Windward/Leeward Low826.7
Triple Number Windward/Leeward Medium622.2
Triple Number Windward/Leeward High540.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9387
Triple Number Coastal/Long Distance Medium1.2039
Triple Number Coastal/Long Distance High1.3430
Triple Number Windward/Leeward Low0.7258
Triple Number Windward/Leeward Medium0.9643
Triple Number Windward/Leeward High1.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low639.2
Triple Number Coastal/Long Distance Medium498.4
Triple Number Coastal/Long Distance High446.8
Triple Number Windward/Leeward Low826.7
Triple Number Windward/Leeward Medium622.2
Triple Number Windward/Leeward High540.5
Predominantly Upwind534.0
Predominantly Downwind518.5
Predominantly Reaching490.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9387
Triple Number Coastal/Long Distance Medium1.2039
Triple Number Coastal/Long Distance High1.3430
Triple Number Windward/Leeward Low0.7258
Triple Number Windward/Leeward Medium0.9643
Triple Number Windward/Leeward High1.1101
Coastal/Long Distance1.0959
Predominantly Upwind1.1236
Predominantly Downwind1.1572
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9387
Tretall Distanseseilas Mellomvind1.2039
Tretall Distanseseilas Mye vind1.3430
Tretall Pølsebane Lite vind0.7258
Tretall Pølsebane Mellomvind0.9643
Tretall Pølsebane Mye vind1.1101
Distanseseilas ett tall (OSN 8-16kn)1.0959
Distanseseilas ett tall (APH 6-20kn)1.1971
Enkeltall Motvind1.1236
Enkeltall Medvind1.1572
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Coastal/Long Distance547.51.0959
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind534.01.1236
Predominantly Downwind518.51.1572
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore523.21.1468
Cape Doctor Coastal436.91.3732
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9387
Triple Number Coastal/Long Distance Medium1.2039
Triple Number Coastal/Long Distance High1.3430
Triple Number Windward/Leeward Low0.7258
Triple Number Windward/Leeward Medium0.9643
Triple Number Windward/Leeward High1.1101
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9387
Triple Number Coastal/Long Distance Medium1.2039
Triple Number Coastal/Long Distance High1.3430
Triple Number Windward/Leeward Low0.7258
Triple Number Windward/Leeward Medium0.9643
Triple Number Windward/Leeward High1.1101
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Predominantly Upwind534.01.1236
Predominantly Downwind518.51.1572
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.51.0959
Triple Number Coastal/Long Distance Low639.20.9387
Triple Number Coastal/Long Distance Medium498.41.2039
Triple Number Coastal/Long Distance High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance917.9696.5586.3518.8483.1455.9414.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low639.20.9387
Triple Number All Purpose Medium498.41.2039
Triple Number All Purpose High446.81.3430
Triple Number Windward/Leeward Low826.70.7258
Triple Number Windward/Leeward Medium622.20.9643
Triple Number Windward/Leeward High540.51.1101
Predominantly Upwind534.01.1236
Predominantly Downwind518.51.1572
Predominantly Upwind Low692.80.8660
Predominantly Upwind Medium548.71.0936
Predominantly Upwind High511.01.1741
Predominantly Downwind Low721.80.8312
Predominantly Downwind Medium521.21.1512
Predominantly Downwind High438.11.3695
Chicago-Mac Upwind1.1034
Chicago-Mac All Purpose1.1175
Chicago-Mac Downwind1.1348
Bayview-Mac Cove Island1.0491
Bayview-Mac Shore1.0657
Harvest Moon Regatta437.61.3711
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy526.41.1397
San Francisco Bay Medium609.30.9847
Predominantly Reaching474.41.2647
Predominantly Reaching Low581.91.0311
Predominantly Reaching Medium470.81.2745
Predominantly Reaching High417.21.4381
Windward/Leeward 60-40 Low822.20.7297
Windward/Leeward 60-40 Medium633.90.9466
Windward/Leeward 60-40 High563.71.0644
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low900.50.6663
5-Band Low / Medium759.00.7905
5-Band Medium611.80.9808
5-Band Medium / High550.51.0899
5-Band High518.61.1569
ORC Ref  03860002OO1Issued on 19/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MATCHLESS

GBR-171

ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSWAN 57Measurement24/05/1995HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA17.460Max. Beam4.742Draft2.840Displacement23,983Wetted area58.96IMS L13.813LSM013.556Acc. length15.412Sink (kg/mm) 39.81
VCGD-0.050VCGM0.019RM Rated (kg·m) 534.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.650PBW0.150PIPA0.0109
PSD0.036PHD0.108PHL0.230
PSA17.0°ESL1.450
ST10.048ST20.146ST30.189
ST40.061ST50.255
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P19.650IG22.520ISP22.590MDT10.200MDL10.320MDT20.180MDL20.250TL3.490MW0.250GO0.335
E5.620J7.170BAS2.046FSD0.043SFJSPLWPLTPS8.000BD0.300MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.050Flotation Date08/07/2013MeasurerComment
SFFP0.730FFMFF1.621LCFcl9.517SG1.0240
SAFP16.490FAMFA1.276LCFsh9.812HBI1.346
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03860002OO1Issued on 19/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MATCHLESS

GBR-171

ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.001.182.133.644.7666.16* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC11.420.00NoNo 138.88* Copied from legacy *
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment021.0019.5020.2510.2012.8080%180.90
ORC Ref  03860002OO1Issued on 19/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org