Non Spin/HSFClub Certificate2026
ALARISUSA 3184
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles44.2°40.7°38.6°37.9°37.7°37.8°37.9°38.6°39.8°
Beat VMG2.663.634.234.514.634.704.724.764.69
52°4.115.356.096.456.616.706.746.796.80
60°4.365.576.296.666.836.916.967.037.06
75°4.535.716.436.847.067.187.247.367.45
90°4.415.616.406.887.177.377.537.767.90
110°4.025.196.066.727.117.407.678.008.19
120°3.554.895.856.557.017.337.638.148.44
135°3.054.365.346.116.697.087.387.988.45
150°2.523.704.705.516.196.727.087.668.20
Run VMG2.183.204.084.835.526.136.647.307.86
Gybe Angles139.9°145.1°151.9°159.0°169.1°175.4°178.6°179.5°179.5°
APH ToD:602.6CDL: 8.095APH ToT: 0.9956CertNo:US3184
BOAT
ClassBlock Island 40DesignerTRIPPBuilderAMERICAN BOATAge date05/1972Series date03/1957Offset fileblockisland40-USA3184.offData fileUSA3184
HULL
Length Overall12.369 mMaximum Beam3.542 mDraft2.714 mDisplacement9,037 kgDLR15.3464IMS DivisionCruiser/RacerDynamic Allowance0.400%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationIn ApertureTypeFeathering 2 bladesDiameter0.452m
CREW
Maximum weight830 kg(declared)Minimum weight700 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail46.9847.98Headsail Luffed57.0757.07Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail13.81Storm Jib14.28Heavy Weather Jib38.56
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 110.1 kg·m Stability Index 110.6
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  04560004ODC Issued on 04/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
ALARISUSA 3184
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1353.9993.1851.0798.3777.2766.7763.1756.1768.0
52°877.0672.5591.6558.1544.7537.6534.5530.0529.1
60°826.2646.4572.5540.4527.4520.7517.3511.9509.7
75°795.6630.4559.5526.4510.1501.4497.0488.9483.4
90°816.8641.7562.3523.2502.3488.7478.1464.2455.7
110°894.8693.0593.8536.1506.1486.2469.5449.8439.7
120°1012.9736.7615.9549.2513.5491.0471.6442.2426.8
135°1182.2826.0674.5588.8537.8508.5487.8451.0425.9
150°1428.7973.3766.1653.0581.4536.0508.5469.7439.0
Run VMG1649.71123.9883.3745.5652.3586.9542.2492.9457.9
Selected Courses
Windward / Leeward1501.81058.5867.1771.9714.8676.8652.7624.5613.0
All purpose1122.5817.4686.4621.0584.6562.1547.6527.6517.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward740.30.8105
All purpose602.60.9956
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance655.30.9156
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7361
Downwind "popa"0.8355
70% up, 30% down "Ilhabela"0.7634
30% up, 70% down "Ilhabela-inverso"0.8030
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Predominantly Upwind643.30.9326
Predominantly Downwind619.60.9683
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP626.00.9585 Predom. Rc High499.51.2013 5B SF Bay L/M797.90.7519 TriNum AP Low751.90.7980 Predom. Dn Low941.70.6371 5B SF Bay Med701.30.8555 TriNum AP Med599.61.0006 Predom. Dn L/M701.80.8550 5B SF Bay M/H644.50.9310 TriNum AP High543.71.1035 Predom. Dn Med599.01.0017 5B SF Bay High619.00.9693 TriNum W/L Low1007.20.5957 Predom. Dn M/H534.51.1226 5B AP Low834.60.7189 TriNum W/L Med737.00.8141 Predom. Dn High501.41.1966 5B AP L/M667.60.8988 TriNum W/L Hig648.20.9257 ChiMac Up Low777.30.7719 5B AP Med592.21.0131 Predom. Upwind664.60.9027 ChiMac Up Med714.90.8393 5B AP M/H549.81.0914 Predom. Reaching596.71.0056 ChiMac Up High642.00.9346 5B AP High529.41.1334 Predom. Downwind647.50.9266 ChiMac Off Low812.60.7384 5B W/L Low1121.50.5350 Predom. Up Low866.40.6925 ChiMac Off Med719.00.8344 5B W/L L/M839.30.7149 Predom. Up L/M689.10.8707 ChiMac Off High609.00.9852 5B W/L Med725.40.8271 Predom. Up Med627.10.9568 ChiMac AP Low789.70.7597 5B W/L M/H657.20.9130 Predom. Up M/H596.11.0065 ChiMac AP Med713.00.8415 5B W/L High627.40.9564 Predom. Up High582.61.0298 ChiMac AP High622.90.9632 W/L 60-40 Low1106.70.5421 Predom. Rc Low804.60.7457 BayMac Cove Island904.80.6632 W/L 60-40 L/M839.90.7144 Predom. Rc L/M630.10.9523 BayMac Shore894.60.6707 W/L 60-40 Med737.10.8140 Predom. Rc Med560.91.0697 Harvest Moon531.71.1284 W/L 60-40 M/H678.50.8843 Predom. Rc M/H520.71.1523 5B SF Bay Low943.00.6363 W/L 60-40 High653.80.9177      SA/DSPL Up23.81SA/DSPL Dn23.81
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance655.30.9156
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance655.30.9156
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance655.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating655.30.9156
FinRating, kevyt tuuli1105.80.9043
FinRating, kova tuuli532.80.9385
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9156
Triple Number Coastal/Long Distance Low0.7980
Triple Number Coastal/Long Distance Medium1.0007
Triple Number Coastal/Long Distance High1.1035
Triple Number Windward/Leeward Low0.6232
Triple Number Windward/Leeward Medium0.8141
Triple Number Windward/Leeward High0.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
For information
General Purpose Handicap (GPH)671.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance655.30.9156
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Saronikos S All Purpose668.50.8975
Saronikos S Upwind729.40.8226
Saronikos S Downwind598.61.0024
Saronikos N All Purpose705.20.8508
Saronikos N Upwind754.70.7950
Saronikos N Downwind655.20.9157
Saronikos SW All Purpose670.30.8952
Saronikos SW Upwind736.80.8143
Saronikos SW Downwind610.60.9826
Saronikos NE All Purpose730.60.8213
Saronikos NE Upwind708.50.8469
Saronikos NE Downwind735.10.8162
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose626.00.9585
5-Band All Purpose Low897.80.6683
5-Band All Purpose L/M692.20.8668
5-Band All Purpose Med610.90.9821
5-Band All Purpose M/H563.71.0645
5-Band All Purpose High540.71.1097
Single Number Predominant Upwind641.20.9358
Single Number Predominant Reaching576.21.0413
Single Number Predominant Downwind621.20.9659
5-Band 50-50 Windward/Leeward Low1121.50.5350
5-Band 50-50 Windward/Leeward L/M839.30.7149
5-Band 50-50 Windward/Leeward Med725.40.8271
5-Band 50-50 Windward/Leeward M/H657.20.9130
5-Band 50-50 Windward/Leeward High627.40.9564
5-Band 60-40 Windward/Leeward Low1106.70.5421
5-Band 60-40 Windward/Leeward L/M839.90.7144
5-Band 60-40 Windward/Leeward Med737.10.8140
5-Band 60-40 Windward/Leeward M/H678.50.8843
5-Band 60-40 Windward/Leeward High653.80.9177
Triple Number 50-50 Windward/Leeward Low1007.20.5957
Triple Number 50-50 Windward/Leeward Med737.10.8140
Triple Number 50-50 Windward/Leeward High648.10.9257
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward751.30.7987
Triple Number 60-40 Windward/Leeward Low997.70.6014
Triple Number 60-40 Windward/Leeward Med747.30.8029
Triple Number 60-40 Windward/Leeward High670.80.8945
Triple Number All-Purpose Low814.40.7367
Triple Number All-Purpose Med619.10.9692
Triple Number All-Purpose High556.91.0774
Triple Number Predominant Upwind Low802.30.7478
Triple Number Predominant Upwind Med635.30.9444
Triple Number Predominant Upwind High597.21.0046
Triple Number Predominant Reaching Low737.80.8132
Triple Number Predominant Reaching Med576.71.0403
Triple Number Predominant Reaching High505.41.1871
Triple Number Predominant Downwind Low842.60.7121
Triple Number Predominant Downwind Med611.60.9810
Triple Number Predominant Downwind High515.41.1641
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance655.30.9156
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance655.30.9156
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low751.9
Triple Number Coastal/Long Distance Medium599.6
Triple Number Coastal/Long Distance High543.7
Triple Number Windward/Leeward Low962.8
Triple Number Windward/Leeward Medium737.0
Triple Number Windward/Leeward High648.2
Predominantly Upwind643.3
Predominantly Downwind619.6
Predominantly Reaching588.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance655.30.9156
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7980
Triple Number Coastal/Long Distance Medium1.0007
Triple Number Coastal/Long Distance High1.1035
Triple Number Windward/Leeward Low0.6232
Triple Number Windward/Leeward Medium0.8141
Triple Number Windward/Leeward High0.9257
Coastal/Long Distance0.9156
Predominantly Upwind0.9326
Predominantly Downwind0.9683
For information
General Purpose Handicap (GPH)671.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9956
Distanseseilas Trippeltall svak vind0.7980
Distanseseilas Trippeltall mellomvind1.0007
Distanseseilas Trippeltall sterk vind1.1035
Pølsebane Trippeltall svak vind0.6232
Pølsebane Trippeltall mellomvind0.8141
Pølsebane Trippeltall sterk vind0.9257
Motvind Singeltall0.9326
Medvind Singeltall0.9683
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Coastal/Long Distance655.30.9156
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind643.30.9326
Predominantly Downwind619.60.9683
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore616.40.9733
Cape Doctor Coastal520.81.1520
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7980
Triple Number Coastal/Long Distance Medium1.0007
Triple Number Coastal/Long Distance High1.1035
Triple Number Windward/Leeward Low0.6232
Triple Number Windward/Leeward Medium0.8141
Triple Number Windward/Leeward High0.9257
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7980
Triple Number Coastal/Long Distance Medium1.0007
Triple Number Coastal/Long Distance High1.1035
Triple Number Windward/Leeward Low0.6232
Triple Number Windward/Leeward Medium0.8141
Triple Number Windward/Leeward High0.9257
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance655.30.9156
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Predominantly Upwind643.30.9326
Predominantly Downwind619.60.9683
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance655.30.9156
Triple Number Coastal/Long Distance Low751.90.7980
Triple Number Coastal/Long Distance Medium599.61.0007
Triple Number Coastal/Long Distance High543.71.1035
Triple Number Windward/Leeward Low962.80.6232
Triple Number Windward/Leeward Medium737.00.8141
Triple Number Windward/Leeward High648.20.9257
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1516.61065.0819.5697.9624.6583.6552.6503.2491.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP626.00.9585 Predom. Dn High501.41.1966 5B AP M/H549.81.0914 TriNum AP Low751.90.7980 Predom. Rc Low804.60.7457 5B AP High529.41.1334 TriNum AP Med599.61.0006 Predom. Rc L/M630.10.9523 5B SF Bay Low943.00.6363 TriNum AP High543.71.1035 Predom. Rc Med560.91.0697 5B SF Bay L/M797.90.7519 TriNum W/L Low1007.20.5957 Predom. Rc M/H520.71.1523 5B SF Bay Med701.30.8555 TriNum W/L Med737.00.8141 Predom. Rc High499.51.2013 5B SF Bay M/H644.50.9310 TriNum W/L Hig648.20.9257 5B W/L Low1121.50.5350 5B SF Bay High619.00.9693 Predom. Upwind664.60.9027 5B W/L L/M839.30.7149 ChiMac Up Low777.30.7719 Predom. Reaching596.71.0056 5B W/L Med725.40.8271 ChiMac Up Med714.90.8393 Predom. Downwind647.50.9266 5B W/L M/H657.20.9130 ChiMac Up High642.00.9346 Predom. Up Low866.40.6925 5B W/L High627.40.9564 ChiMac Off Low812.60.7384 Predom. Up L/M689.10.8707 W/L 60-40 Low1106.70.5421 ChiMac Off Med719.00.8344 Predom. Up Med627.10.9568 W/L 60-40 L/M839.90.7144 ChiMac Off High609.00.9852 Predom. Up M/H596.11.0065 W/L 60-40 Med737.10.8140 ChiMac AP Low789.70.7597 Predom. Up High582.61.0298 W/L 60-40 M/H678.50.8843 ChiMac AP Med713.00.8415 Predom. Dn Low941.70.6371 W/L 60-40 High653.80.9177 ChiMac AP High622.90.9632 Predom. Dn L/M701.80.8550 5B AP Low834.60.7189 BayMac Cove Island904.80.6632 Predom. Dn Med599.01.0017 5B AP L/M667.60.8988 BayMac Shore894.60.6707 Predom. Dn M/H534.51.1226 5B AP Med592.21.0131 Harvest Moon531.71.1284      SA/DSPL Up23.81SA/DSPL Dn23.81
ORC Ref  04560004ODC Issued on 04/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
ALARISUSA 3184
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBlock Island 40Measurement31/03/2024HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.369Maximum beam3.542Draft2.714Displacement9,037Wetted area26.81IMS L8.808LSM08.381Accomod. length11.511Sink (kg/mm) 18.92
VCGD0.135VCGM0.166 RM Rated (kg·m) 110.1Limit of positive stability(°) 103.5 Stability Index 110.6 BLR index 0.0000Default crew weight535 Declared crew weight 830
Centerboard weight120.3List angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.452PBW0.100PIPA0.0143
APH0.516APT0.186APB0.189
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P14.859IG16.899ISP16.883MDT10.138MDL10.223MDT20.135MDL20.174TL2.960MW0.150GO0.150
E5.310J4.700BAS1.585FSD0.035SFJ-0.043SPL4.755WPLTPSBD0.189MWTMCG
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date31/03/2024CommentCushions on
SFFP0.968FFM1.252FF1.274LCFcl6.595SG1.0050
SAFP11.180FAM0.921FA0.936LCFsh6.851HBI0.995
W199.4W299.4W399.4W499.4LCFD8.355
PD1283.2PD2284.2PD3283.8PD4285.4
WD4.033PLM9000.00GSA1.0RSA1.0RM111.1
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCGBFixedLead ingots on centerline3005.20-0.300.00AFixedLead ingots on centerline1507.30-0.300.00Fixed Ballast Total450
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG4Alloy, centerline in forepeakFuel95551.800.103Fiberglass, stbd centerlineWater19006.20-0.202Fiberglass, port centerlineWater19006.20-0.201Alloy tank on centerline fwd of engineFuel1351258.30-0.30Total deductible1516.31-0.18
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousRefridgeror unit, on top of stbd forward berth353.800.905Battery2x 12V Group 27 lead-acid engine, centerline407.40-0.204Battery12V house Group 27 lead-acid, centerline203.20-0.203Battery12V house AGM Group 31, port centerline under settee305.700.002Battery12V house AGM Group 31, stbd side305.100.006Engine (IC)Yannmar 3JH-40Total deductible0
ORC Ref  04560004ODC Issued on 04/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
ALARISUSA 3184
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.151.092.003.414.5046.9803/05/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentRF genoa0.080.961.783.465.357.3515.90NoNo 57.0703/05/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length11.5 mTable area0.55 m²Headroom1.79 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity138 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity80 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004ODC Issued on 04/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org