Club
Certificate
Non Spinnaker
2023

Boat

SKIMMER

USA 160

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°40.5°39.9°39.6°39.6°40.5°
Beat VMG2.903.513.924.154.254.304.28
52°4.445.235.735.996.136.196.24
60°4.695.465.926.176.326.406.46
75°4.855.636.086.346.536.666.82
90°4.765.606.096.406.646.847.11
110°4.385.335.966.336.616.867.36
120°4.125.075.786.216.506.767.29
135°3.584.555.345.916.286.557.06
150°3.043.974.765.425.926.266.77
Run VMG2.663.524.325.015.616.066.64
Gybe Angles173.6°179.0°179.3°179.9°179.9°179.9°179.9°

APH: 681.9

CDL: 6.611

GPH: 769.8

CertNo: USA160

BOAT
ClassAlerion Express 28DesignerSchumacherBuilderTPIAge date02/2001Series date02/1990Offset fileALR28JT1.offData fileUSA160NS
HULL
Length Overall8.610 mMaximum Beam2.490 mDraft1.405 mDisplacement2,583 kgDLR7.0288IMS DivisionPerformanceDynamic Allowance0.300%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.406m
CREW
Maximum weight275 kgMinimum weight190 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail23.1523.78Headsail Luffed11.2311.23Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.71Storm Jib4.18Heavy Weather Jib11.28
SAIL LIMITS
Headsails5  Spinnakers0 * No spinnaker pole aboard
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  04560002L3UIssued on 09/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

SKIMMER

USA 160

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 VMG1241.11026.2918.8867.1847.4838.1841.0
52°810.5688.4628.8600.7587.5581.3577.4
60°767.8659.5608.6583.3569.8562.9557.2
75°742.6639.1592.6567.9551.7540.2528.0
90°756.3642.4591.3562.5542.2526.2506.2
110°821.1675.8603.9568.6545.0524.8489.1
120°874.8709.7623.1579.9553.9532.6494.1
135°1004.9790.4674.6608.9573.2549.4510.1
150°1184.8906.8757.0664.6608.3575.1531.7
Run VMG1354.11021.3834.0718.1641.2593.8542.2
Selected Courses
Windward / Leeward1297.61023.8876.4792.6744.3716.0691.6
All purpose991.6803.8707.0654.0623.8604.8583.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward835.40.7182
All purpose681.90.8798
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6383
Downwind "popa"0.7362
70% up, 30% down "Ilhabela"0.6648
30% up, 70% down "Ilhabela-inverso"0.7038
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Predominantly Upwind728.20.8239
Predominantly Downwind701.60.8552
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low897.70.6684
Triple Number All Purpose Medium676.60.8868
Triple Number All Purpose High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Predominantly Upwind728.20.8239
Predominantly Downwind701.60.8552
Predominantly Upwind Low973.60.6162
Predominantly Upwind Medium745.00.8053
Predominantly Upwind High697.10.8607
Predominantly Downwind Low1014.20.5916
Predominantly Downwind Medium697.40.8604
Predominantly Downwind High570.21.0523
Chicago-Mac Upwind0.8081
Chicago-Mac All Purpose0.8220
Chicago-Mac Downwind0.8381
Bayview-Mac Cove Island0.7634
Bayview-Mac Shore0.7758
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching646.30.9284
Predominantly Reaching Low816.70.7347
Predominantly Reaching Medium643.40.9326
Predominantly Reaching High562.61.0666
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1276.50.4700
5-Band Low / Medium1051.30.5707
5-Band Medium811.30.7395
5-Band Medium / High723.10.8298
5-Band High695.80.8623
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance743.2
Triple Number Coastal/Long Distance Low897.7
Triple Number Coastal/Long Distance Medium676.6
Triple Number Coastal/Long Distance High601.4
Triple Number Windward/Leeward Low1160.8
Triple Number Windward/Leeward Medium827.7
Triple Number Windward/Leeward High713.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6684
Triple Number Coastal/Long Distance Medium0.8868
Triple Number Coastal/Long Distance High0.9976
Triple Number Windward/Leeward Low0.5169
Triple Number Windward/Leeward Medium0.7249
Triple Number Windward/Leeward High0.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low897.7
Triple Number Coastal/Long Distance Medium676.6
Triple Number Coastal/Long Distance High601.4
Triple Number Windward/Leeward Low1160.8
Triple Number Windward/Leeward Medium827.7
Triple Number Windward/Leeward High713.9
Predominantly Upwind728.2
Predominantly Downwind701.6
Predominantly Reaching667.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6684
Triple Number Coastal/Long Distance Medium0.8868
Triple Number Coastal/Long Distance High0.9976
Triple Number Windward/Leeward Low0.5169
Triple Number Windward/Leeward Medium0.7249
Triple Number Windward/Leeward High0.8404
Coastal/Long Distance0.8073
Predominantly Upwind0.8239
Predominantly Downwind0.8552
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6684
Tretall Distanseseilas Mellomvind0.8868
Tretall Distanseseilas Mye vind0.9976
Tretall Pølsebane Lite vind0.5169
Tretall Pølsebane Mellomvind0.7249
Tretall Pølsebane Mye vind0.8404
Distanseseilas ett tall (OSN 8-16kn)0.8073
Distanseseilas ett tall (APH 6-20kn)0.8798
Enkeltall Motvind0.8239
Enkeltall Medvind0.8552
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Coastal/Long Distance743.20.8073
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind728.20.8239
Predominantly Downwind701.60.8552
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore698.90.8585
Cape Doctor Coastal589.61.0176
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6684
Triple Number Coastal/Long Distance Medium0.8868
Triple Number Coastal/Long Distance High0.9976
Triple Number Windward/Leeward Low0.5169
Triple Number Windward/Leeward Medium0.7249
Triple Number Windward/Leeward High0.8404
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6684
Triple Number Coastal/Long Distance Medium0.8868
Triple Number Coastal/Long Distance High0.9976
Triple Number Windward/Leeward Low0.5169
Triple Number Windward/Leeward Medium0.7249
Triple Number Windward/Leeward High0.8404
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Predominantly Upwind728.20.8239
Predominantly Downwind701.60.8552
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance743.20.8073
Triple Number Coastal/Long Distance Low897.70.6684
Triple Number Coastal/Long Distance Medium676.60.8868
Triple Number Coastal/Long Distance High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1303.2964.9794.2698.3647.7611.3555.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low897.70.6684
Triple Number All Purpose Medium676.60.8868
Triple Number All Purpose High601.40.9976
Triple Number Windward/Leeward Low1160.80.5169
Triple Number Windward/Leeward Medium827.70.7249
Triple Number Windward/Leeward High713.90.8404
Predominantly Upwind728.20.8239
Predominantly Downwind701.60.8552
Predominantly Upwind Low973.60.6162
Predominantly Upwind Medium745.00.8053
Predominantly Upwind High697.10.8607
Predominantly Downwind Low1014.20.5916
Predominantly Downwind Medium697.40.8604
Predominantly Downwind High570.21.0523
Chicago-Mac Upwind0.8081
Chicago-Mac All Purpose0.8220
Chicago-Mac Downwind0.8381
Bayview-Mac Cove Island0.7634
Bayview-Mac Shore0.7758
Harvest Moon Regatta590.31.0164
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy707.20.8484
San Francisco Bay Medium827.60.7250
Predominantly Reaching646.30.9284
Predominantly Reaching Low816.70.7347
Predominantly Reaching Medium643.40.9326
Predominantly Reaching High562.61.0666
Windward/Leeward 60-40 Low1155.30.5194
Windward/Leeward 60-40 Medium849.90.7060
Windward/Leeward 60-40 High757.30.7922
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1276.50.4700
5-Band Low / Medium1051.30.5707
5-Band Medium811.30.7395
5-Band Medium / High723.10.8298
5-Band High695.80.8623
ORC Ref  04560002L3UIssued on 09/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

SKIMMER

USA 160

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassAlerion Express 28MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.610Max. Beam2.490Draft1.405Displacement2,583Wetted area14.70IMS L7.291LSM07.162Acc. length8.092Sink (kg/mm) 10.75
VCGD0.028VCGM-0.010RM Rated (kg·m) 40.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.406PBW0.122PIPA0.0016
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/CheckstaysSpreaders2Rotating mastNo
P10.060IG9.140ISP9.140MDT10.082MDL10.133MDT20.063MDL20.104TLMWGO
E3.810J2.970BAS1.150FSDSFJ0.130SPLWPLTPS2.970BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/07/2022MeasurerComment
SFFP0.491FFMFF0.893LCFcl4.579SG
SAFP8.307FAMFA0.638LCFsh4.754HBI0.691
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002L3UIssued on 09/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

SKIMMER

USA 160

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMI-10.132.423.2023.1518/05/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJib0.080.340.641.261.882.508.89NoNo 11.2318/05/2022
ORC Ref  04560002L3UIssued on 09/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org