International Certificate2026
SEALARKUSA 349
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 Angles46.4°43.7°41.6°39.9°38.0°37.1°36.6°36.7°37.3°
Beat VMG2.303.334.114.685.075.265.365.455.45
52°3.615.106.126.777.127.317.417.537.57
60°3.895.386.396.967.297.507.637.787.84
75°4.095.576.567.117.457.737.958.218.35
90°4.145.786.857.397.737.968.138.608.94
110°4.165.836.977.588.088.508.889.5510.25
120°4.035.696.857.508.038.559.1210.2911.46
135°3.565.126.337.137.668.208.7710.4112.97
150°2.944.315.466.437.117.578.019.0011.08
Run VMG2.553.734.735.576.186.627.017.799.60
Gybe Angles139.3°142.9°146.9°149.8°152.3°156.5°159.7°146.0°140.4°
APH ToD:548.9CDL: 9.300APH ToT: 1.0930CertNo:US6952
BOAT
ClassJ 105DesignerJOHNSTONEBuilderTILLOTSON-PEARSONAge date02/2000Series date07/1991Offset filej105.offData fileUS6952
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.012 mDisplacement4,037 kgDLR4.6757IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight650 kg(declared)Minimum weight520 kg ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail33.9634.70Headsail Luffed24.8424.84Headsail FlyingSymmetricAsymmetric88.8688.86 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.87Storm Jib7.74Heavy Weather Jib20.88
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 99.4 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  04560004URT Issued on 06/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
SEALARKUSA 349
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 VMG1566.91082.6876.9768.9709.7684.1671.6660.6660.7
52°996.8706.5588.2532.0505.5492.5485.8478.3475.5
60°925.8668.6563.8517.1493.8480.0471.8462.9458.9
75°880.8646.5549.1506.5483.2465.7452.7438.5430.9
90°869.3623.0525.5486.9465.5452.5442.6418.6402.6
110°865.5617.4516.4474.7445.7423.3405.5376.9351.3
120°893.3632.9525.6480.3448.3420.9394.7349.9314.1
135°1011.5703.3569.1504.8469.8439.2410.5345.9277.5
150°1222.8835.6659.5560.2506.2475.6449.4400.2324.8
Run VMG1412.0964.9761.5646.8582.3543.6513.4462.1375.0
Selected Courses
Windward / Leeward1489.41023.8819.2707.9646.0613.8592.5561.4517.9
All purpose1125.2786.2641.4569.2529.2505.4488.1459.9430.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward678.60.8842
All purpose548.91.0930
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7700
Downwind "popa"0.9386
70% up, 30% down "Ilhabela"0.8139
30% up, 70% down "Ilhabela-inverso"0.8808
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Predominantly Upwind597.41.0044
Predominantly Downwind555.81.0795
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP571.61.0497 Predom. Rc High432.01.3889 5B SF Bay L/M748.20.8019 TriNum AP Low713.80.8406 Predom. Dn Low855.80.7011 5B SF Bay Med636.60.9425 TriNum AP Med546.01.0989 Predom. Dn L/M627.60.9559 5B SF Bay M/H575.21.0431 TriNum AP High481.91.2452 Predom. Dn Med536.71.1179 5B SF Bay High540.51.1101 TriNum W/L Low967.10.6204 Predom. Dn M/H478.11.2549 5B AP Low793.60.7561 TriNum W/L Med673.00.8915 Predom. Dn High432.01.3889 5B AP L/M620.70.9667 TriNum W/L Hig586.21.0236 ChiMac Up Low770.60.7786 5B AP Med537.81.1157 Predom. Upwind624.70.9605 ChiMac Up Med688.70.8712 5B AP M/H489.71.2252 Predom. Reaching545.71.0995 ChiMac Up High593.41.0112 5B AP High459.61.3054 Predom. Downwind579.91.0348 ChiMac Off Low734.20.8172 5B W/L Low1089.00.5509 Predom. Up Low886.80.6766 ChiMac Off Med647.40.9268 5B W/L L/M784.50.7648 Predom. Up L/M661.50.9071 ChiMac Off High542.41.1062 5B W/L Med660.90.9078 Predom. Up Med577.01.0398 ChiMac AP Low748.50.8016 5B W/L M/H595.31.0078 Predom. Up M/H534.31.1230 ChiMac AP Med665.40.9017 5B W/L High559.21.0729 Predom. Up High512.41.1710 ChiMac AP High566.41.0594 W/L 60-40 Low1101.70.5446 Predom. Rc Low769.10.7801 BayMac Cove Island864.60.6940 W/L 60-40 L/M796.50.7533 Predom. Rc L/M579.81.0348 BayMac Shore858.20.6992 W/L 60-40 Med674.00.8903 Predom. Rc Med509.31.1781 Harvest Moon479.21.2520 W/L 60-40 M/H611.30.9816 Predom. Rc M/H465.61.2886 5B SF Bay Low916.50.6547 W/L 60-40 High579.91.0347      SA/DSPL Up23.09SA/DSPL Dn48.22
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance597.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating597.51.0042
FinRating, kevyt tuuli1071.30.9334
FinRating, kova tuuli459.61.0879
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0042
Triple Number Coastal/Long Distance Low0.8406
Triple Number Coastal/Long Distance Medium1.0990
Triple Number Coastal/Long Distance High1.2452
Triple Number Windward/Leeward Low0.6511
Triple Number Windward/Leeward Medium0.8915
Triple Number Windward/Leeward High1.0236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
For information
General Purpose Handicap (GPH)618.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Saronikos S All Purpose635.20.9447
Saronikos S Upwind722.00.8310
Saronikos S Downwind527.41.1378
Saronikos N All Purpose662.40.9057
Saronikos N Upwind754.60.7951
Saronikos N Downwind574.11.0450
Saronikos SW All Purpose638.50.9396
Saronikos SW Upwind747.30.8029
Saronikos SW Downwind527.71.1370
Saronikos NE All Purpose686.10.8745
Saronikos NE Upwind708.50.8469
Saronikos NE Downwind641.90.9347
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose571.61.0497
5-Band All Purpose Low866.90.6921
5-Band All Purpose L/M642.30.9341
5-Band All Purpose Med555.71.0797
5-Band All Purpose M/H505.91.1860
5-Band All Purpose High472.61.2697
Single Number Predominant Upwind596.61.0057
Single Number Predominant Reaching524.41.1442
Single Number Predominant Downwind556.31.0785
5-Band 50-50 Windward/Leeward Low1089.00.5509
5-Band 50-50 Windward/Leeward L/M784.50.7648
5-Band 50-50 Windward/Leeward Med660.90.9078
5-Band 50-50 Windward/Leeward M/H595.31.0078
5-Band 50-50 Windward/Leeward High559.21.0729
5-Band 60-40 Windward/Leeward Low1101.70.5446
5-Band 60-40 Windward/Leeward L/M796.50.7533
5-Band 60-40 Windward/Leeward Med674.00.8903
5-Band 60-40 Windward/Leeward M/H611.30.9816
5-Band 60-40 Windward/Leeward High579.91.0347
Triple Number 50-50 Windward/Leeward Low967.10.6204
Triple Number 50-50 Windward/Leeward Med673.10.8914
Triple Number 50-50 Windward/Leeward High586.21.0236
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward692.00.8671
Triple Number 60-40 Windward/Leeward Low979.30.6127
Triple Number 60-40 Windward/Leeward Med685.90.8748
Triple Number 60-40 Windward/Leeward High603.10.9949
Triple Number All-Purpose Low775.60.7736
Triple Number All-Purpose Med564.21.0635
Triple Number All-Purpose High497.31.2065
Triple Number Predominant Upwind Low801.20.7489
Triple Number Predominant Upwind Med587.81.0207
Triple Number Predominant Upwind High533.41.1248
Triple Number Predominant Reaching Low696.60.8613
Triple Number Predominant Reaching Med525.21.1424
Triple Number Predominant Reaching High448.01.3392
Triple Number Predominant Downwind Low763.30.7861
Triple Number Predominant Downwind Med546.21.0985
Triple Number Predominant Downwind High457.71.3108
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low713.8
Triple Number Coastal/Long Distance Medium546.0
Triple Number Coastal/Long Distance High481.9
Triple Number Windward/Leeward Low921.5
Triple Number Windward/Leeward Medium673.0
Triple Number Windward/Leeward High586.2
Predominantly Upwind597.4
Predominantly Downwind555.8
Predominantly Reaching532.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8406
Triple Number Coastal/Long Distance Medium1.0990
Triple Number Coastal/Long Distance High1.2452
Triple Number Windward/Leeward Low0.6511
Triple Number Windward/Leeward Medium0.8915
Triple Number Windward/Leeward High1.0236
Coastal/Long Distance1.0042
Predominantly Upwind1.0044
Predominantly Downwind1.0795
For information
General Purpose Handicap (GPH)618.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0930
Distanseseilas Trippeltall svak vind0.8406
Distanseseilas Trippeltall mellomvind1.0990
Distanseseilas Trippeltall sterk vind1.2452
Pølsebane Trippeltall svak vind0.6511
Pølsebane Trippeltall mellomvind0.8915
Pølsebane Trippeltall sterk vind1.0236
Motvind Singeltall1.0044
Medvind Singeltall1.0795
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Coastal/Long Distance597.51.0042
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind597.41.0044
Predominantly Downwind555.81.0795
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore530.91.1301
Cape Doctor Coastal439.01.3669
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8406
Triple Number Coastal/Long Distance Medium1.0990
Triple Number Coastal/Long Distance High1.2452
Triple Number Windward/Leeward Low0.6511
Triple Number Windward/Leeward Medium0.8915
Triple Number Windward/Leeward High1.0236
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8406
Triple Number Coastal/Long Distance Medium1.0990
Triple Number Coastal/Long Distance High1.2452
Triple Number Windward/Leeward Low0.6511
Triple Number Windward/Leeward Medium0.8915
Triple Number Windward/Leeward High1.0236
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Predominantly Upwind597.41.0044
Predominantly Downwind555.81.0795
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low713.80.8406
Triple Number Coastal/Long Distance Medium546.01.0990
Triple Number Coastal/Long Distance High481.91.2452
Triple Number Windward/Leeward Low921.50.6511
Triple Number Windward/Leeward Medium673.00.8915
Triple Number Windward/Leeward High586.21.0236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1481.71017.9769.1639.3564.0524.5492.8439.2409.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP571.61.0497 Predom. Dn High432.01.3889 5B AP M/H489.71.2252 TriNum AP Low713.80.8406 Predom. Rc Low769.10.7801 5B AP High459.61.3054 TriNum AP Med546.01.0989 Predom. Rc L/M579.81.0348 5B SF Bay Low916.50.6547 TriNum AP High481.91.2452 Predom. Rc Med509.31.1781 5B SF Bay L/M748.20.8019 TriNum W/L Low967.10.6204 Predom. Rc M/H465.61.2886 5B SF Bay Med636.60.9425 TriNum W/L Med673.00.8915 Predom. Rc High432.01.3889 5B SF Bay M/H575.21.0431 TriNum W/L Hig586.21.0236 5B W/L Low1089.00.5509 5B SF Bay High540.51.1101 Predom. Upwind624.70.9605 5B W/L L/M784.50.7648 ChiMac Up Low770.60.7786 Predom. Reaching545.71.0995 5B W/L Med660.90.9078 ChiMac Up Med688.70.8712 Predom. Downwind579.91.0348 5B W/L M/H595.31.0078 ChiMac Up High593.41.0112 Predom. Up Low886.80.6766 5B W/L High559.21.0729 ChiMac Off Low734.20.8172 Predom. Up L/M661.50.9071 W/L 60-40 Low1101.70.5446 ChiMac Off Med647.40.9268 Predom. Up Med577.01.0398 W/L 60-40 L/M796.50.7533 ChiMac Off High542.41.1062 Predom. Up M/H534.31.1230 W/L 60-40 Med674.00.8903 ChiMac AP Low748.50.8016 Predom. Up High512.41.1710 W/L 60-40 M/H611.30.9816 ChiMac AP Med665.40.9017 Predom. Dn Low855.80.7011 W/L 60-40 High579.91.0347 ChiMac AP High566.41.0594 Predom. Dn L/M627.60.9559 5B AP Low793.60.7561 BayMac Cove Island864.60.6940 Predom. Dn Med536.71.1179 5B AP L/M620.70.9667 BayMac Shore858.20.6992 Predom. Dn M/H478.11.2549 5B AP Med537.81.1157 Harvest Moon479.21.2520      SA/DSPL Up23.09SA/DSPL Dn48.22
ORC Ref  04560004URT Issued on 06/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
SEALARKUSA 349
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105Measurement11/05/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.570Maximum beam3.344Draft2.012Displacement4,037Wetted area23.05IMS L9.745LSM09.521Accomod. length10.570Sink (kg/mm) 17.34
VCGD-0.044VCGM-0.068 RM Rated (kg·m) 99.4Limit of positive stability(°) 112.5 Stability Index 110.6 BLR index 0.0000Default crew weight642 Declared crew weight 650
Centerboard weight0.0List angle0.0Canting keel angle0.0
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.381PBW0.098PIPA0.0031
PSD0.025PHD0.049PHL0.138
PSA16.5°ESL0.915
ST10.019ST20.092ST30.092
ST40.046ST50.186
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.657IG12.340ISP12.858MDT10.104MDL10.168MDT20.091MDL20.107TL1.780MW0.166GO0.198
E4.455J4.131BAS1.575FSD0.028SFJ0.000SPL0.000WPLTPS5.927BD0.120MWT127.00MCG4.430
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date11/05/2025CommentSettee cushions on
SFFP0.966FFM1.084FF1.093LCFcl5.896SG1.0000
SAFP10.056FAM0.743FA0.749LCFsh6.134HBI0.922
W185.5W285.5W385.5W485.5LCFD5.270
PD1266.9PD2264.9PD3270.9PD4263.9
WD3.915PLM9000.00GSA1.0RSA1.0RM98.9
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2Alloy fuel tank port setteeFuel51255.730.001PVC waste tank port outboardWater5003.730.40Total deductible215.730.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery2x 12V AGM house & engine Gp 27 batteries CL408.390.002Engine (IC)Yanmar 2GM 20FTotal deductible0
ORC Ref  04560004URT Issued on 06/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
SEALARKUSA 349
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-240.181.662.8733.9629/03/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentAP Jib0.080.541.012.013.044.1512.14YesNo 24.8422/05/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-2415.0912.1413.627.549.0084%88.8629/03/2024A3-2513.9712.1413.066.768.3181%76.9207/11/2025OUS161666-001
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004URT Issued on 06/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org