Club Certificate2026
MELANTHOUSA 39
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 Angles46.0°43.4°41.3°39.6°38.2°37.8°37.7°38.2°39.5°
Beat VMG2.303.284.004.524.844.985.045.064.97
52°3.615.005.936.496.806.957.027.097.07
60°3.885.276.166.666.967.137.227.317.31
75°4.115.606.506.907.107.337.517.707.79
90°4.375.876.727.157.417.597.738.078.33
110°4.265.936.877.357.738.008.328.909.37
120°4.145.826.817.347.808.248.649.3210.49
135°3.685.186.387.077.568.078.6310.1712.00
150°3.054.395.506.437.057.457.878.8211.18
Run VMG2.643.804.765.576.156.536.877.649.68
Gybe Angles140.1°144.0°148.0°149.6°153.7°158.2°159.3°144.7°143.6°
APH ToD:566.1CDL: 8.278APH ToT: 1.0598CertNo:US39-97
BOAT
ClassJ-97DesignerJOHNSTONEBuilderJ BoatsAge date01/2012Series date06/2009Offset fileJ97.offData fileUS39-97
HULL
Length Overall9.600 mMaximum Beam3.348 mDraft1.898 mDisplacement3,612 kgDLR6.8923IMS DivisionCruiser/RacerDynamic Allowance0.190%Age Allowance0.552%RS Assessment-0.356%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.300m
CREW
Maximum weight506 kg(default)Minimum weight376 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.4628.97Headsail Luffed23.8223.82Headsail FlyingSymmetricAsymmetric109.92109.92 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail8.35Storm Jib8.12Heavy Weather Jib21.92
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 83.0 kg·m Stability Index 120.7
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  04560004PQU Issued on 13/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MELANTHOUSA 39
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 VMG1564.31098.1900.5795.6743.5723.3714.0711.3724.3
52°997.2720.1607.6554.5529.3517.7512.5508.1509.2
60°928.7683.7584.4540.2517.4505.0498.6492.5492.3
75°875.7643.3553.9522.0507.0491.0479.6467.6462.1
90°823.0613.1535.4503.5485.6474.6465.7446.3432.2
110°845.8607.0524.0489.5465.7450.0432.9404.6384.2
120°869.2618.4528.3490.4461.3436.7416.8386.3343.2
135°978.2694.5563.8509.1476.3446.1417.2354.1299.9
150°1179.5819.5654.6560.0510.7483.2457.5408.3322.0
Run VMG1362.0946.3755.9646.7585.3551.2523.7471.5371.8
Selected Courses
Windward / Leeward1463.11022.2828.2721.2664.4637.3618.8591.4548.0
All purpose1103.2784.2650.1583.6547.5527.1511.7487.1459.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward696.40.8616
All purpose566.11.0598
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7386
Downwind "popa"0.9374
70% up, 30% down "Ilhabela"0.7888
30% up, 70% down "Ilhabela-inverso"0.8674
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Predominantly Upwind618.60.9699
Predominantly Downwind565.11.0618
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP588.01.0204 Predom. Rc High455.31.3177 5B SF Bay L/M759.60.7899 TriNum AP Low717.20.8366 Predom. Dn Low843.80.7110 5B SF Bay Med655.70.9150 TriNum AP Med563.01.0657 Predom. Dn L/M631.90.9495 5B SF Bay M/H601.40.9977 TriNum AP High506.31.1850 Predom. Dn Med547.71.0955 5B SF Bay High571.01.0507 TriNum W/L Low968.30.6197 Predom. Dn M/H493.31.2164 5B AP Low788.00.7614 TriNum W/L Med690.20.8693 Predom. Dn High449.41.3352 5B AP L/M631.30.9505 TriNum W/L Hig613.10.9786 ChiMac Up Low780.90.7683 5B AP Med555.61.0798 Predom. Upwind645.00.9303 ChiMac Up Med704.70.8514 5B AP M/H513.21.1692 Predom. Reaching558.41.0745 ChiMac Up High616.70.9729 5B AP High486.61.2331 Predom. Downwind587.61.0211 ChiMac Off Low731.10.8207 5B W/L Low1083.90.5535 Predom. Up Low889.40.6746 ChiMac Off Med650.50.9223 5B W/L L/M794.90.7549 Predom. Up L/M677.60.8855 ChiMac Off High552.91.0852 5B W/L Med679.20.8834 Predom. Up Med599.51.0009 ChiMac AP Low751.90.7979 5B W/L M/H621.10.9660 Predom. Up M/H562.01.0676 ChiMac AP Med674.90.8890 5B W/L High588.61.0193 Predom. Up High544.81.1013 ChiMac AP High583.51.0284 W/L 60-40 Low1100.20.5454 Predom. Rc Low761.20.7883 BayMac Cove Island864.00.6944 W/L 60-40 L/M809.80.7409 Predom. Rc L/M589.01.0186 BayMac Shore857.70.6995 W/L 60-40 Med695.20.8630 Predom. Rc Med525.31.1422 Harvest Moon496.81.2077 W/L 60-40 M/H640.40.9369 Predom. Rc M/H485.41.2360 5B SF Bay Low918.90.6530 W/L 60-40 High613.70.9777      SA/DSPL Up22.12SA/DSPL Dn58.53
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance615.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating615.00.9756
FinRating, kevyt tuuli1062.50.9411
FinRating, kova tuuli487.51.0256
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9756
Triple Number Coastal/Long Distance Low0.8366
Triple Number Coastal/Long Distance Medium1.0658
Triple Number Coastal/Long Distance High1.1850
Triple Number Windward/Leeward Low0.6485
Triple Number Windward/Leeward Medium0.8693
Triple Number Windward/Leeward High0.9786
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
For information
General Purpose Handicap (GPH)633.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Saronikos S All Purpose650.60.9222
Saronikos S Upwind742.60.8080
Saronikos S Downwind531.21.1296
Saronikos N All Purpose678.30.8846
Saronikos N Upwind774.50.7747
Saronikos N Downwind575.41.0427
Saronikos SW All Purpose651.00.9217
Saronikos SW Upwind762.40.7870
Saronikos SW Downwind532.21.1274
Saronikos NE All Purpose696.00.8621
Saronikos NE Upwind722.70.8302
Saronikos NE Downwind638.40.9398
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose588.01.0204
5-Band All Purpose Low861.60.6964
5-Band All Purpose L/M652.50.9195
5-Band All Purpose Med572.61.0478
5-Band All Purpose M/H527.71.1371
5-Band All Purpose High497.81.2052
Single Number Predominant Upwind617.90.9711
Single Number Predominant Reaching538.71.1138
Single Number Predominant Downwind565.61.0608
5-Band 50-50 Windward/Leeward Low1083.90.5535
5-Band 50-50 Windward/Leeward L/M794.90.7549
5-Band 50-50 Windward/Leeward Med679.20.8834
5-Band 50-50 Windward/Leeward M/H621.10.9660
5-Band 50-50 Windward/Leeward High588.61.0193
5-Band 60-40 Windward/Leeward Low1100.20.5454
5-Band 60-40 Windward/Leeward L/M809.80.7409
5-Band 60-40 Windward/Leeward Med695.20.8630
5-Band 60-40 Windward/Leeward M/H640.40.9369
5-Band 60-40 Windward/Leeward High613.70.9777
Triple Number 50-50 Windward/Leeward Low968.30.6197
Triple Number 50-50 Windward/Leeward Med690.30.8692
Triple Number 50-50 Windward/Leeward High613.10.9786
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward712.90.8417
Triple Number 60-40 Windward/Leeward Low983.70.6099
Triple Number 60-40 Windward/Leeward Med706.00.8498
Triple Number 60-40 Windward/Leeward High633.60.9470
Triple Number All-Purpose Low776.60.7726
Triple Number All-Purpose Med580.41.0338
Triple Number All-Purpose High520.01.1539
Triple Number Predominant Upwind Low807.70.7428
Triple Number Predominant Upwind Med609.30.9848
Triple Number Predominant Upwind High563.81.0642
Triple Number Predominant Reaching Low696.10.8620
Triple Number Predominant Reaching Med541.01.1090
Triple Number Predominant Reaching High468.31.2812
Triple Number Predominant Downwind Low758.20.7914
Triple Number Predominant Downwind Med555.71.0797
Triple Number Predominant Downwind High471.71.2721
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low717.2
Triple Number Coastal/Long Distance Medium563.0
Triple Number Coastal/Long Distance High506.3
Triple Number Windward/Leeward Low925.2
Triple Number Windward/Leeward Medium690.2
Triple Number Windward/Leeward High613.1
Predominantly Upwind618.6
Predominantly Downwind565.1
Predominantly Reaching544.7
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8366
Triple Number Coastal/Long Distance Medium1.0658
Triple Number Coastal/Long Distance High1.1850
Triple Number Windward/Leeward Low0.6485
Triple Number Windward/Leeward Medium0.8693
Triple Number Windward/Leeward High0.9786
Coastal/Long Distance0.9756
Predominantly Upwind0.9699
Predominantly Downwind1.0618
For information
General Purpose Handicap (GPH)633.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0598
Distanseseilas Trippeltall svak vind0.8366
Distanseseilas Trippeltall mellomvind1.0658
Distanseseilas Trippeltall sterk vind1.1850
Pølsebane Trippeltall svak vind0.6485
Pølsebane Trippeltall mellomvind0.8693
Pølsebane Trippeltall sterk vind0.9786
Motvind Singeltall0.9699
Medvind Singeltall1.0618
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Coastal/Long Distance615.00.9756
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind618.60.9699
Predominantly Downwind565.11.0618
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore561.01.0695
Cape Doctor Coastal467.91.2824
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8366
Triple Number Coastal/Long Distance Medium1.0658
Triple Number Coastal/Long Distance High1.1850
Triple Number Windward/Leeward Low0.6485
Triple Number Windward/Leeward Medium0.8693
Triple Number Windward/Leeward High0.9786
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8366
Triple Number Coastal/Long Distance Medium1.0658
Triple Number Coastal/Long Distance High1.1850
Triple Number Windward/Leeward Low0.6485
Triple Number Windward/Leeward Medium0.8693
Triple Number Windward/Leeward High0.9786
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Predominantly Upwind618.60.9699
Predominantly Downwind565.11.0618
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance615.00.9756
Triple Number Coastal/Long Distance Low717.20.8366
Triple Number Coastal/Long Distance Medium563.01.0658
Triple Number Coastal/Long Distance High506.31.1850
Triple Number Windward/Leeward Low925.20.6485
Triple Number Windward/Leeward Medium690.20.8693
Triple Number Windward/Leeward High613.10.9786
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1453.01014.6777.7653.1582.8546.3516.7468.1437.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP588.01.0204 Predom. Dn High449.41.3352 5B AP M/H513.21.1692 TriNum AP Low717.20.8366 Predom. Rc Low761.20.7883 5B AP High486.61.2331 TriNum AP Med563.01.0657 Predom. Rc L/M589.01.0186 5B SF Bay Low918.90.6530 TriNum AP High506.31.1850 Predom. Rc Med525.31.1422 5B SF Bay L/M759.60.7899 TriNum W/L Low968.30.6197 Predom. Rc M/H485.41.2360 5B SF Bay Med655.70.9150 TriNum W/L Med690.20.8693 Predom. Rc High455.31.3177 5B SF Bay M/H601.40.9977 TriNum W/L Hig613.10.9786 5B W/L Low1083.90.5535 5B SF Bay High571.01.0507 Predom. Upwind645.00.9303 5B W/L L/M794.90.7549 ChiMac Up Low780.90.7683 Predom. Reaching558.41.0745 5B W/L Med679.20.8834 ChiMac Up Med704.70.8514 Predom. Downwind587.61.0211 5B W/L M/H621.10.9660 ChiMac Up High616.70.9729 Predom. Up Low889.40.6746 5B W/L High588.61.0193 ChiMac Off Low731.10.8207 Predom. Up L/M677.60.8855 W/L 60-40 Low1100.20.5454 ChiMac Off Med650.50.9223 Predom. Up Med599.51.0009 W/L 60-40 L/M809.80.7409 ChiMac Off High552.91.0852 Predom. Up M/H562.01.0676 W/L 60-40 Med695.20.8630 ChiMac AP Low751.90.7979 Predom. Up High544.81.1013 W/L 60-40 M/H640.40.9369 ChiMac AP Med674.90.8890 Predom. Dn Low843.80.7110 W/L 60-40 High613.70.9777 ChiMac AP High583.51.0284 Predom. Dn L/M631.90.9495 5B AP Low788.00.7614 BayMac Cove Island864.00.6944 Predom. Dn Med547.71.0955 5B AP L/M631.30.9505 BayMac Shore857.70.6995 Predom. Dn M/H493.31.2164 5B AP Med555.61.0798 Harvest Moon496.81.2077      SA/DSPL Up22.12SA/DSPL Dn58.53
ORC Ref  04560004PQU Issued on 13/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MELANTHOUSA 39
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-97MeasurementHINJBC97039F112Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.600Maximum beam3.348Draft1.898Displacement3,612Wetted area19.48IMS L8.488LSM08.062Accomod. length9.600Sink (kg/mm) 14.54
VCGD-0.102VCGM-0.101 RM Rated (kg·m) 83.0Limit of positive stability(°) 124.9 Stability Index 120.7 BLR index 0.0000Default crew weight506 Declared crew weight 536
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0038
EDL1.670ST10.065ST20.181
ST30.181ST40.111ST50.356
RIG
BackstayAdjustable (NMP)ForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.040IG12.598ISP13.598MDT10.111MDL10.181MDT20.111MDL20.100TL0.851MW0.181GO0.221
E3.963J3.570BAS1.507FSD0.035SFJ0.100SPLWPLTPS5.080BD0.121MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered83.0Flotation Date29/06/2015
SFFP0.600FFM1.251FF1.251LCFcl5.173SG
SAFP9.303FAM0.938FA0.938LCFsh5.426HBI1.111
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004PQU Issued on 13/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MELANTHOUSA 39
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn0.130.811.502.573.3428.4612/01/2026OUS163867-003
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJib0.083.8312.21NoNo 23.82
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA215.4813.4914.499.119.09100%109.9207/03/2025A014.2613.2413.755.717.5476%69.6207/03/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsYesMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsYes
CRUISER/RACER REQUIREMENTS*
Accommodation length9.6 mTable area0.44 m²Headroom1.67 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity72 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity42 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004PQU Issued on 13/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org