Club Certificate2026
BOSS LADYUSA 401
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 Angles46.3°43.7°41.4°39.7°37.7°36.8°36.6°36.5°37.1°
Beat VMG2.323.354.154.745.125.295.395.485.48
52°3.645.136.176.827.167.347.447.567.60
60°3.915.436.437.007.337.547.677.817.88
75°4.115.616.607.147.497.778.008.268.40
90°4.065.746.857.397.717.938.158.679.05
110°4.165.856.997.618.118.558.949.6310.33
120°4.035.706.877.538.078.619.2210.4311.42
135°3.565.136.357.167.708.268.8610.6313.40
150°2.954.315.476.457.147.618.069.1711.52
Run VMG2.553.744.745.596.216.657.047.949.98
Gybe Angles139.3°142.8°146.7°149.8°152.4°156.3°158.8°144.8°140.7°
APH ToD:546.0CDL: 9.317APH ToT: 1.0989CertNo:US401-105
BOAT
ClassJ 105DesignerJohnstoneBuilderTPIAge date01/2000Series date01/1991Offset filej105.OffData fileUSA401-105
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.004 mDisplacement3,891 kgDLR4.6475IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight540 kg(declared)Minimum weight410 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.8134.53Headsail Luffed25.1925.19Headsail FlyingSymmetricAsymmetric88.9988.99 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.86Storm Jib7.84Heavy Weather Jib21.16
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 103.3 kg·m Stability Index 116.5
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  04560004W3S Issued on 05/08/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
BOSS LADYUSA 401
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 VMG1555.01074.9868.5759.8703.7680.1667.4656.9657.5
52°990.1701.3583.7528.0502.9490.4483.7476.5474.0
60°919.7663.5560.1513.9491.2477.6469.6460.8457.0
75°875.1641.6545.8503.9480.6463.1450.2436.0428.5
90°885.7627.4525.6486.9467.1454.2441.9415.2397.8
110°865.1615.7514.9473.2444.0421.1402.9373.7348.4
120°892.9631.3523.8478.4446.2418.2390.2345.1315.4
135°1011.2702.1567.0502.9467.3436.1406.2338.5268.6
150°1222.2834.7657.7558.1504.2473.2446.4392.4312.4
Run VMG1411.3963.8759.4644.4580.0541.5511.3453.2360.8
Selected Courses
Windward / Leeward1483.11019.3814.0702.1641.9610.8589.3555.0509.1
All purpose1122.6783.3638.1565.8526.6503.1485.3455.4424.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward674.20.8899
All purpose546.01.0989
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.11.0099
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7762
Downwind "popa"0.9431
70% up, 30% down "Ilhabela"0.8197
30% up, 70% down "Ilhabela-inverso"0.8859
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Predominantly Upwind594.01.0102
Predominantly Downwind553.41.0843
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP568.71.0550 Predom. Rc High427.51.4036 5B SF Bay L/M743.10.8074 TriNum AP Low710.70.8443 Predom. Dn Low854.70.7020 5B SF Bay Med632.40.9488 TriNum AP Med543.11.1047 Predom. Dn L/M625.30.9595 5B SF Bay M/H571.31.0502 TriNum AP High478.51.2539 Predom. Dn Med534.41.1227 5B SF Bay High534.71.1220 TriNum W/L Low962.10.6236 Predom. Dn M/H474.91.2634 5B AP Low791.20.7584 TriNum W/L Med668.50.8975 Predom. Dn High425.81.4091 5B AP L/M617.50.9716 TriNum W/L Hig581.81.0312 ChiMac Up Low766.50.7828 5B AP Med535.01.1215 Predom. Upwind621.10.9660 ChiMac Up Med684.80.8762 5B AP M/H486.71.2328 Predom. Reaching544.11.1028 ChiMac Up High589.61.0177 5B AP High455.21.3180 Predom. Downwind577.21.0395 ChiMac Off Low732.40.8192 5B W/L Low1083.90.5535 Predom. Up Low882.80.6796 ChiMac Off Med645.20.9300 5B W/L L/M779.40.7698 Predom. Up L/M657.20.9130 ChiMac Off High539.11.1129 5B W/L Med656.70.9137 Predom. Up Med573.71.0458 ChiMac AP Low745.90.8043 5B W/L M/H591.61.0143 Predom. Up M/H531.41.1291 ChiMac AP Med662.60.9056 5B W/L High553.01.0850 Predom. Up High508.61.1797 ChiMac AP High563.01.0658 W/L 60-40 Low1095.80.5475 Predom. Rc Low769.40.7798 BayMac Cove Island861.50.6965 W/L 60-40 L/M790.70.7588 Predom. Rc L/M578.01.0380 BayMac Shore855.30.7015 W/L 60-40 Med669.30.8964 Predom. Rc Med507.81.1816 Harvest Moon476.81.2584 W/L 60-40 M/H607.40.9878 Predom. Rc M/H463.21.2954 5B SF Bay Low911.90.6580 W/L 60-40 High574.21.0450      SA/DSPL Up23.74SA/DSPL Dn49.41
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.11.0099
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.11.0099
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance594.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating594.11.0099
FinRating, kevyt tuuli1067.10.9371
FinRating, kova tuuli455.31.0982
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0099
Triple Number Coastal/Long Distance Low0.8443
Triple Number Coastal/Long Distance Medium1.1048
Triple Number Coastal/Long Distance High1.2539
Triple Number Windward/Leeward Low0.6546
Triple Number Windward/Leeward Medium0.8975
Triple Number Windward/Leeward High1.0312
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
For information
General Purpose Handicap (GPH)615.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.11.0099
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Saronikos S All Purpose629.90.9526
Saronikos S Upwind717.00.8368
Saronikos S Downwind523.11.1469
Saronikos N All Purpose659.00.9105
Saronikos N Upwind750.50.7995
Saronikos N Downwind572.11.0487
Saronikos SW All Purpose633.90.9465
Saronikos SW Upwind743.00.8076
Saronikos SW Downwind524.51.1439
Saronikos NE All Purpose683.40.8779
Saronikos NE Upwind706.10.8497
Saronikos NE Downwind640.30.9371
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose568.71.0550
5-Band All Purpose Low864.80.6938
5-Band All Purpose L/M639.20.9387
5-Band All Purpose Med553.11.0848
5-Band All Purpose M/H503.01.1929
5-Band All Purpose High467.71.2830
Single Number Predominant Upwind593.11.0116
Single Number Predominant Reaching522.61.1481
Single Number Predominant Downwind553.91.0832
5-Band 50-50 Windward/Leeward Low1083.90.5535
5-Band 50-50 Windward/Leeward L/M779.40.7698
5-Band 50-50 Windward/Leeward Med656.70.9137
5-Band 50-50 Windward/Leeward M/H591.61.0143
5-Band 50-50 Windward/Leeward High553.01.0850
5-Band 60-40 Windward/Leeward Low1095.80.5475
5-Band 60-40 Windward/Leeward L/M790.70.7588
5-Band 60-40 Windward/Leeward Med669.30.8964
5-Band 60-40 Windward/Leeward M/H607.40.9878
5-Band 60-40 Windward/Leeward High574.21.0450
Triple Number 50-50 Windward/Leeward Low962.10.6236
Triple Number 50-50 Windward/Leeward Med668.60.8974
Triple Number 50-50 Windward/Leeward High581.81.0312
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward687.20.8731
Triple Number 60-40 Windward/Leeward Low973.50.6163
Triple Number 60-40 Windward/Leeward Med681.00.8811
Triple Number 60-40 Windward/Leeward High598.81.0020
Triple Number All-Purpose Low773.10.7761
Triple Number All-Purpose Med561.51.0687
Triple Number All-Purpose High493.91.2148
Triple Number Predominant Upwind Low797.30.7525
Triple Number Predominant Upwind Med584.31.0269
Triple Number Predominant Upwind High530.51.1310
Triple Number Predominant Reaching Low695.70.8625
Triple Number Predominant Reaching Med523.41.1464
Triple Number Predominant Reaching High445.21.3477
Triple Number Predominant Downwind Low761.60.7878
Triple Number Predominant Downwind Med544.11.1028
Triple Number Predominant Downwind High453.71.3226
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.11.0099
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.11.0099
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low710.6
Triple Number Coastal/Long Distance Medium543.1
Triple Number Coastal/Long Distance High478.5
Triple Number Windward/Leeward Low916.6
Triple Number Windward/Leeward Medium668.5
Triple Number Windward/Leeward High581.8
Predominantly Upwind594.0
Predominantly Downwind553.4
Predominantly Reaching530.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.11.0099
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8443
Triple Number Coastal/Long Distance Medium1.1048
Triple Number Coastal/Long Distance High1.2539
Triple Number Windward/Leeward Low0.6546
Triple Number Windward/Leeward Medium0.8975
Triple Number Windward/Leeward High1.0312
Coastal/Long Distance1.0099
Predominantly Upwind1.0102
Predominantly Downwind1.0843
For information
General Purpose Handicap (GPH)615.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0989
Distanseseilas Trippeltall svak vind0.8443
Distanseseilas Trippeltall mellomvind1.1048
Distanseseilas Trippeltall sterk vind1.2539
Pølsebane Trippeltall svak vind0.6546
Pølsebane Trippeltall mellomvind0.8975
Pølsebane Trippeltall sterk vind1.0312
Motvind Singeltall1.0102
Medvind Singeltall1.0843
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Coastal/Long Distance594.11.0099
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind594.01.0102
Predominantly Downwind553.41.0843
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore522.91.1475
Cape Doctor Coastal433.81.3830
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8443
Triple Number Coastal/Long Distance Medium1.1048
Triple Number Coastal/Long Distance High1.2539
Triple Number Windward/Leeward Low0.6546
Triple Number Windward/Leeward Medium0.8975
Triple Number Windward/Leeward High1.0312
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8443
Triple Number Coastal/Long Distance Medium1.1048
Triple Number Coastal/Long Distance High1.2539
Triple Number Windward/Leeward Low0.6546
Triple Number Windward/Leeward Medium0.8975
Triple Number Windward/Leeward High1.0312
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.11.0099
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Predominantly Upwind594.01.0102
Predominantly Downwind553.41.0843
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.11.0099
Triple Number Coastal/Long Distance Low710.60.8443
Triple Number Coastal/Long Distance Medium543.11.1048
Triple Number Coastal/Long Distance High478.51.2539
Triple Number Windward/Leeward Low916.60.6546
Triple Number Windward/Leeward Medium668.50.8975
Triple Number Windward/Leeward High581.81.0312
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1475.91013.8764.5634.7561.1522.2489.8434.8405.7
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP568.71.0550 Predom. Dn High425.81.4091 5B AP M/H486.71.2328 TriNum AP Low710.70.8443 Predom. Rc Low769.40.7798 5B AP High455.21.3180 TriNum AP Med543.11.1047 Predom. Rc L/M578.01.0380 5B SF Bay Low911.90.6580 TriNum AP High478.51.2539 Predom. Rc Med507.81.1816 5B SF Bay L/M743.10.8074 TriNum W/L Low962.10.6236 Predom. Rc M/H463.21.2954 5B SF Bay Med632.40.9488 TriNum W/L Med668.50.8975 Predom. Rc High427.51.4036 5B SF Bay M/H571.31.0502 TriNum W/L Hig581.81.0312 5B W/L Low1083.90.5535 5B SF Bay High534.71.1220 Predom. Upwind621.10.9660 5B W/L L/M779.40.7698 ChiMac Up Low766.50.7828 Predom. Reaching544.11.1028 5B W/L Med656.70.9137 ChiMac Up Med684.80.8762 Predom. Downwind577.21.0395 5B W/L M/H591.61.0143 ChiMac Up High589.61.0177 Predom. Up Low882.80.6796 5B W/L High553.01.0850 ChiMac Off Low732.40.8192 Predom. Up L/M657.20.9130 W/L 60-40 Low1095.80.5475 ChiMac Off Med645.20.9300 Predom. Up Med573.71.0458 W/L 60-40 L/M790.70.7588 ChiMac Off High539.11.1129 Predom. Up M/H531.41.1291 W/L 60-40 Med669.30.8964 ChiMac AP Low745.90.8043 Predom. Up High508.61.1797 W/L 60-40 M/H607.40.9878 ChiMac AP Med662.60.9056 Predom. Dn Low854.70.7020 W/L 60-40 High574.21.0450 ChiMac AP High563.01.0658 Predom. Dn L/M625.30.9595 5B AP Low791.20.7584 BayMac Cove Island861.50.6965 Predom. Dn Med534.41.1227 5B AP L/M617.50.9716 BayMac Shore855.30.7015 Predom. Dn M/H474.91.2634 5B AP Med535.01.1215 Harvest Moon476.81.2584      SA/DSPL Up23.74SA/DSPL Dn49.41
ORC Ref  04560004W3S Issued on 05/08/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
BOSS LADYUSA 401
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105Measurement09/03/2024HINTSP15401001Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.570Maximum beam3.344Draft2.004Displacement3,891Wetted area22.69IMS L9.630LSM09.424Accomod. length10.570Sink (kg/mm) 17.00
VCGD-0.159VCGM-0.175 RM Rated (kg·m) 103.3Limit of positive stability(°) 119.1 Stability Index 116.5 BLR index 0.0000Default crew weight633 Declared crew weight 540
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.381PBW0.100PIPA0.0049
PSD0.026PHD0.068PHL0.113
PSA21.0°ESL0.813
ST10.020ST20.096ST30.090
ST40.055ST50.255
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.650IG12.433ISP12.853MDT10.101MDL10.164MDT20.085MDL20.105TL2.010MW0.164GO0.192
E4.450J4.130BAS1.553FSD0.034SFJ0.000SPLWPLTPS5.901BD0.130MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date09/03/2024
SFFP0.966FFM1.096FF1.095LCFcl5.858SG1.0270
SAFP10.056FAM0.763FA0.763LCFsh6.097HBI0.928
W153.4W253.4W353.4W453.4
PD1512.7PD2512.7PD3512.7PD4512.7
WD12.600PLM9000.00GSA1.0RSA1.0RM103.3
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGAFuel5005.80BportWater2005.90Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCGCBattery70 Ah engine cl8.60DEngine (IC)Yanmar 2GMTotal deductible
ORC Ref  04560004W3S Issued on 05/08/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
BOSS LADYUSA 401
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.181.001.682.893.7733.8125/01/20262408115K
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.080.551.022.023.104.2012.15YesNo 25.1927/09/2024270924K
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA215.1012.0313.577.838.0497%88.9925/01/20262201040KA2-215.0812.1013.597.917.64104%88.9725/01/20262112310K
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004W3S Issued on 05/08/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org