Club Certificate2026
DIANTHUSUSA 51663
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 Angles47.1°44.0°42.1°40.5°39.6°38.7°38.2°38.3°38.9°
Beat VMG2.513.584.364.905.215.365.455.525.51
52°3.995.516.527.127.427.577.657.737.76
60°4.335.826.797.327.607.757.847.947.99
75°4.606.046.977.467.757.958.108.288.41
90°4.475.946.917.507.858.048.258.608.87
110°4.145.807.007.658.048.378.699.179.54
120°4.005.656.857.567.988.348.729.5110.08
135°3.505.066.287.177.718.098.479.3310.33
150°2.894.255.416.397.157.648.028.749.62
Run VMG2.503.684.695.546.266.897.398.118.80
Gybe Angles139.3°142.6°147.1°149.2°157.0°164.2°170.9°178.1°177.2°
APH ToD:538.1CDL: 10.091APH ToT: 1.1150CertNo:US51663
BOAT
ClassJ 42DesignerJOHNSTONEBuilderTPIAge date01/2002Series date06/1996Offset fileJ42.offData fileUS51663
HULL
Length Overall12.710 mMaximum Beam3.718 mDraft2.027 mDisplacement8,672 kgDLR7.0592IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.650%RS Assessment-0.229%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.508m
CREW
Maximum weight475 kg(declared)Minimum weight345 kg ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail46.5947.81Headsail Luffed50.7950.79Headsail FlyingSymmetric101.97101.97Asymmetric102.29102.29 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail13.58Storm Jib11.97Heavy Weather Jib32.32
SAIL LIMITS
Headsails6Spinnakers5
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 216.0 kg·m Stability Index 130.5
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  04560004OJF Issued on 05/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
DIANTHUSUSA 51663
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 VMG1432.01005.5826.2734.8691.5671.6660.9651.6653.7
52°903.3653.2552.1505.4484.9475.7470.7465.7464.2
60°830.6618.1530.2491.7473.8464.2459.2453.4450.8
75°782.1595.6516.7482.3464.4452.8444.6434.7428.1
90°806.0606.4520.8480.0458.8447.8436.6418.5405.9
110°870.2620.5514.6470.8448.0430.2414.3392.5377.2
120°900.3637.2525.4476.4451.3431.7413.0378.4357.0
135°1029.8711.2573.5501.8467.1445.0425.3386.0348.6
150°1246.8846.1665.1563.1503.4471.0449.2411.8374.3
Run VMG1439.7977.0768.0650.2575.4522.2486.9443.7409.3
Selected Courses
Windward / Leeward1435.9991.3797.1692.5633.5596.9573.9547.6531.5
All purpose1076.4760.1624.1555.5519.1497.6482.6461.6446.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward662.00.9064
All purpose538.11.1150
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance586.41.0231
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8012
Downwind "popa"0.9495
70% up, 30% down "Ilhabela"0.8406
30% up, 70% down "Ilhabela-inverso"0.8996
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Predominantly Upwind579.91.0347
Predominantly Downwind548.91.0930
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP560.51.0705 Predom. Rc High439.41.3655 5B SF Bay L/M727.50.8247 TriNum AP Low692.10.8669 Predom. Dn Low846.70.7086 5B SF Bay Med623.10.9629 TriNum AP Med534.71.1222 Predom. Dn L/M621.20.9659 5B SF Bay M/H564.91.0622 TriNum AP High478.51.2540 Predom. Dn Med529.31.1337 5B SF Bay High538.51.1142 TriNum W/L Low937.90.6397 Predom. Dn M/H473.01.2684 5B AP Low769.40.7799 TriNum W/L Med657.60.9124 Predom. Dn High440.31.3627 5B AP L/M604.40.9927 TriNum W/L Hig569.81.0530 ChiMac Up Low734.30.8171 5B AP Med527.21.1380 Predom. Upwind604.40.9927 ChiMac Up Med661.40.9072 5B AP M/H484.61.2380 Predom. Reaching536.91.1175 ChiMac Up High577.31.0394 5B AP High462.71.2969 Predom. Downwind574.41.0446 ChiMac Off Low726.10.8264 5B W/L Low1053.90.5693 Predom. Up Low838.00.7160 ChiMac Off Med640.00.9376 5B W/L L/M764.70.7847 Predom. Up L/M635.50.9441 ChiMac Off High538.41.1144 5B W/L Med645.80.9291 Predom. Up Med561.01.0694 ChiMac AP Low726.50.8259 5B W/L M/H578.41.0374 Predom. Up M/H524.71.1436 ChiMac AP Med648.10.9258 5B W/L High549.41.0921 Predom. Up High508.71.1795 ChiMac AP High556.41.0784 W/L 60-40 Low1056.50.5679 Predom. Rc Low745.90.8043 BayMac Cove Island837.70.7162 W/L 60-40 L/M771.80.7774 Predom. Rc L/M568.21.0560 BayMac Shore830.40.7225 W/L 60-40 Med657.40.9126 Predom. Rc Med500.81.1980 Harvest Moon476.01.2605 W/L 60-40 M/H595.41.0077 Predom. Rc M/H462.81.2965 5B SF Bay Low884.60.6783 W/L 60-40 High570.21.0522      SA/DSPL Up22.91SA/DSPL Dn35.02
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance586.41.0231
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance586.41.0231
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance586.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating586.41.0231
FinRating, kevyt tuuli1037.30.9641
FinRating, kova tuuli465.51.0741
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0231
Triple Number Coastal/Long Distance Low0.8669
Triple Number Coastal/Long Distance Medium1.1223
Triple Number Coastal/Long Distance High1.2540
Triple Number Windward/Leeward Low0.6710
Triple Number Windward/Leeward Medium0.9124
Triple Number Windward/Leeward High1.0530
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
For information
General Purpose Handicap (GPH)604.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance586.41.0231
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Saronikos S All Purpose613.80.9776
Saronikos S Upwind685.70.8750
Saronikos S Downwind528.51.1353
Saronikos N All Purpose642.80.9334
Saronikos N Upwind715.30.8388
Saronikos N Downwind575.51.0425
Saronikos SW All Purpose619.90.9679
Saronikos SW Upwind705.70.8502
Saronikos SW Downwind535.51.1204
Saronikos NE All Purpose667.50.8989
Saronikos NE Upwind670.90.8943
Saronikos NE Downwind647.00.9273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose560.51.0705
5-Band All Purpose Low837.90.7161
5-Band All Purpose L/M626.50.9577
5-Band All Purpose Med544.21.1025
5-Band All Purpose M/H498.31.2042
5-Band All Purpose High474.21.2654
Single Number Predominant Upwind578.61.0370
Single Number Predominant Reaching516.01.1628
Single Number Predominant Downwind549.51.0919
5-Band 50-50 Windward/Leeward Low1053.90.5693
5-Band 50-50 Windward/Leeward L/M764.70.7847
5-Band 50-50 Windward/Leeward Med645.80.9291
5-Band 50-50 Windward/Leeward M/H578.41.0374
5-Band 50-50 Windward/Leeward High549.41.0921
5-Band 60-40 Windward/Leeward Low1056.50.5679
5-Band 60-40 Windward/Leeward L/M771.80.7774
5-Band 60-40 Windward/Leeward Med657.40.9126
5-Band 60-40 Windward/Leeward M/H595.41.0077
5-Band 60-40 Windward/Leeward High570.21.0522
Triple Number 50-50 Windward/Leeward Low937.90.6397
Triple Number 50-50 Windward/Leeward Med657.70.9122
Triple Number 50-50 Windward/Leeward High569.81.0530
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward673.60.8907
Triple Number 60-40 Windward/Leeward Low942.00.6370
Triple Number 60-40 Windward/Leeward Med668.60.8973
Triple Number 60-40 Windward/Leeward High587.91.0207
Triple Number All-Purpose Low752.30.7976
Triple Number All-Purpose Med552.21.0866
Triple Number All-Purpose High491.51.2207
Triple Number Predominant Upwind Low762.40.7870
Triple Number Predominant Upwind Med570.51.0517
Triple Number Predominant Upwind High524.51.1439
Triple Number Predominant Reaching Low677.90.8851
Triple Number Predominant Reaching Med515.21.1645
Triple Number Predominant Reaching High448.61.3375
Triple Number Predominant Downwind Low754.60.7951
Triple Number Predominant Downwind Med539.51.1121
Triple Number Predominant Downwind High455.81.3165
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance586.41.0231
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance586.41.0231
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low692.1
Triple Number Coastal/Long Distance Medium534.6
Triple Number Coastal/Long Distance High478.5
Triple Number Windward/Leeward Low894.2
Triple Number Windward/Leeward Medium657.6
Triple Number Windward/Leeward High569.8
Predominantly Upwind579.9
Predominantly Downwind548.9
Predominantly Reaching525.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance586.41.0231
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8669
Triple Number Coastal/Long Distance Medium1.1223
Triple Number Coastal/Long Distance High1.2540
Triple Number Windward/Leeward Low0.6710
Triple Number Windward/Leeward Medium0.9124
Triple Number Windward/Leeward High1.0530
Coastal/Long Distance1.0231
Predominantly Upwind1.0347
Predominantly Downwind1.0930
For information
General Purpose Handicap (GPH)604.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1150
Distanseseilas Trippeltall svak vind0.8669
Distanseseilas Trippeltall mellomvind1.1223
Distanseseilas Trippeltall sterk vind1.2540
Pølsebane Trippeltall svak vind0.6710
Pølsebane Trippeltall mellomvind0.9124
Pølsebane Trippeltall sterk vind1.0530
Motvind Singeltall1.0347
Medvind Singeltall1.0930
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Coastal/Long Distance586.41.0231
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind579.91.0347
Predominantly Downwind548.91.0930
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore536.31.1187
Cape Doctor Coastal451.11.3300
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8669
Triple Number Coastal/Long Distance Medium1.1223
Triple Number Coastal/Long Distance High1.2540
Triple Number Windward/Leeward Low0.6710
Triple Number Windward/Leeward Medium0.9124
Triple Number Windward/Leeward High1.0530
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8669
Triple Number Coastal/Long Distance Medium1.1223
Triple Number Coastal/Long Distance High1.2540
Triple Number Windward/Leeward Low0.6710
Triple Number Windward/Leeward Medium0.9124
Triple Number Windward/Leeward High1.0530
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance586.41.0231
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Predominantly Upwind579.91.0347
Predominantly Downwind548.91.0930
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance586.41.0231
Triple Number Coastal/Long Distance Low692.10.8669
Triple Number Coastal/Long Distance Medium534.61.1223
Triple Number Coastal/Long Distance High478.51.2540
Triple Number Windward/Leeward Low894.20.6710
Triple Number Windward/Leeward Medium657.60.9124
Triple Number Windward/Leeward High569.81.0530
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1436.2989.8749.7625.1553.9516.6488.2442.3426.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP560.51.0705 Predom. Dn High440.31.3627 5B AP M/H484.61.2380 TriNum AP Low692.10.8669 Predom. Rc Low745.90.8043 5B AP High462.71.2969 TriNum AP Med534.71.1222 Predom. Rc L/M568.21.0560 5B SF Bay Low884.60.6783 TriNum AP High478.51.2540 Predom. Rc Med500.81.1980 5B SF Bay L/M727.50.8247 TriNum W/L Low937.90.6397 Predom. Rc M/H462.81.2965 5B SF Bay Med623.10.9629 TriNum W/L Med657.60.9124 Predom. Rc High439.41.3655 5B SF Bay M/H564.91.0622 TriNum W/L Hig569.81.0530 5B W/L Low1053.90.5693 5B SF Bay High538.51.1142 Predom. Upwind604.40.9927 5B W/L L/M764.70.7847 ChiMac Up Low734.30.8171 Predom. Reaching536.91.1175 5B W/L Med645.80.9291 ChiMac Up Med661.40.9072 Predom. Downwind574.41.0446 5B W/L M/H578.41.0374 ChiMac Up High577.31.0394 Predom. Up Low838.00.7160 5B W/L High549.41.0921 ChiMac Off Low726.10.8264 Predom. Up L/M635.50.9441 W/L 60-40 Low1056.50.5679 ChiMac Off Med640.00.9376 Predom. Up Med561.01.0694 W/L 60-40 L/M771.80.7774 ChiMac Off High538.41.1144 Predom. Up M/H524.71.1436 W/L 60-40 Med657.40.9126 ChiMac AP Low726.50.8259 Predom. Up High508.71.1795 W/L 60-40 M/H595.41.0077 ChiMac AP Med648.10.9258 Predom. Dn Low846.70.7086 W/L 60-40 High570.21.0522 ChiMac AP High556.41.0784 Predom. Dn L/M621.20.9659 5B AP Low769.40.7799 BayMac Cove Island837.70.7162 Predom. Dn Med529.31.1337 5B AP L/M604.40.9927 BayMac Shore830.40.7225 Predom. Dn M/H473.01.2684 5B AP Med527.21.1380 Harvest Moon476.01.2605      SA/DSPL Up22.91SA/DSPL Dn35.02
ORC Ref  04560004OJF Issued on 05/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
DIANTHUSUSA 51663
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 42Measurement27/12/2024HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.710Maximum beam3.718Draft2.027Displacement8,672Wetted area32.60IMS L10.857LSM010.709Accomod. length12.084Sink (kg/mm) 23.68
VCGD-0.174VCGM-0.190 RM Rated (kg·m) 216.0Limit of positive stability(°) 124.4 Stability Index 130.5 BLR index 0.0000Default crew weight759 Declared crew weight 475
Centerboard weight0.0List angleCanting keel angle
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.508PBW0.171PIPA0.0051
PSD0.034PHD0.058PHL0.144
PSA21.0°ESL0.869
ST10.022ST20.122ST30.122
ST40.058ST50.193
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P14.174IG15.335ISP16.085MDT10.119MDL10.223MDT20.098MDL20.171TL3.335MW0.171GO0.211
E5.472J4.527BAS1.695FSD0.037SFJ0.000SPL4.520WPLTPS5.543BD0.165MWT190.00MCG4.775
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date27/12/2024
SFFP0.760FFM1.271FF1.273LCFcl7.085SG1.0060
SAFP12.709FAM0.929FA0.950LCFsh7.332HBI1.071
W197.6W297.6W397.6W497.6LCFD5.576
PD1192.9PD2194.1PD3191.9PD4194.0
WD5.416PLM9000.00GSA1.0RSA1.0RM215.4
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG5PVC waste tank outboard port lazaretteWater45010.970.504Alloy fuel tank in port lazaretteFuel1102710.970.203Alloy fuel tank under stbd quarter berthFuel1105510.230.0022x PVC water tanks under port & stbd setteesWater19005.830.001PVC waste tank CL under V-berthWater4502.130.50Total deductible6910.470.07
OTHER ITEMSIdKindDescriptionWeightLCGVCG5MiscellaneousHVAC system stbd locker outboard204.420.701MiscellaneousRadar on mast on stern5012.502.704Battery12V AGM Gp 31 engine battery CL309.830.203Battery3x 12V AGM Gp 31 house under stbd nav seat907.660.302Battery12V AGM Gp 31 house battery outboard stbd306.530.606Engine (IC)Yanmar 4JH 54#DeductibleLithium battery change417.660.60Total deductible417.660.60
ORC Ref  04560004OJF Issued on 05/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
DIANTHUSUSA 51663
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.151.192.083.564.6646.5928/01/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment155% #10.060.851.673.415.186.9114.78NoNo 50.7928/01/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS215.2215.2215.228.077.92101.9702/01/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA317.3115.3116.317.398.0792%102.2901/02/2025
NON MANUAL POWER CONTROLS (NMP)
SheetsYesMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length12.1 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity152 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity92 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004OJF Issued on 05/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org