Club Certificate2026
Luna BluUSA 1710
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°43.0°41.6°40.7°39.5°38.9°38.6°38.8°39.5°
Beat VMG2.313.213.844.314.604.734.804.854.82
52°3.634.895.726.296.606.736.816.886.90
60°3.915.145.966.496.796.927.017.087.12
75°4.125.336.156.666.987.157.267.397.47
90°4.055.306.266.847.147.347.507.737.91
110°3.985.416.406.967.267.497.668.098.33
120°3.885.266.266.897.267.567.858.188.49
135°3.404.765.786.577.057.397.738.328.76
150°2.834.065.055.916.597.027.347.968.50
Run VMG2.453.514.385.125.766.276.687.277.81
Gybe Angles141.0°145.1°149.2°150.7°155.2°160.6°165.5°171.8°170.9°
APH ToD:597.6CDL: 8.018APH ToT: 1.0039CertNo:US6114
BOAT
ClassBRISTOL 39 CB YAWLDesignerTed Hood/Dieter EBuilderBristolAge date07/1966Series date07/1966Offset fileUS17423CB_JT-US6114.offData fileUS6114
HULL
Length Overall11.817 mMaximum Beam3.328 mDraft2.142 mDisplacement7,992 kgDLR13.6446IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationIn ApertureTypeSolid 3 bladesDiameter0.375m
CREW
Maximum weight808 kg(declared)Minimum weight678 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.1734.75Mizzen8.478.68Headsail Luffed44.1644.16Headsail Flying49.6949.69Symmetric100.09100.09AsymmetricMizzen Staysail28.3528.35
STORM SAIL AREAS Maximum (m²)
Trysail10.36Storm Jib9.79Heavy Weather Jib26.43
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 121.0 kg·m Stability Index 110.1
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  04560004PWB Issued on 14/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Luna BluUSA 1710
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 VMG1558.81120.1937.7835.7783.4761.4750.0742.8746.2
52°991.4736.7629.0572.7545.2535.1528.9523.5521.5
60°920.2700.2603.7554.6530.2520.0513.8508.4505.4
75°872.9675.6585.5540.3515.8503.5496.2487.2482.0
90°889.5678.6574.7526.7504.0490.1480.0465.7455.3
110°905.1665.3562.6517.4495.6480.5469.7444.9432.0
120°928.2684.2575.2522.4495.7476.1458.5439.9423.8
135°1057.5755.9622.6548.0510.5486.9465.9432.6411.0
150°1270.0887.1712.3609.6546.4512.5490.5452.2423.6
Run VMG1466.41024.3822.5703.6625.3574.2539.3495.5460.9
Selected Courses
Windward / Leeward1512.61072.2880.1769.6704.3667.8644.6619.1603.5
All purpose1143.8829.8691.8617.0576.2554.0539.2520.0508.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward735.80.8154
All purpose597.61.0039
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance650.40.9225
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7082
Downwind "popa"0.8778
70% up, 30% down "Ilhabela"0.7517
30% up, 70% down "Ilhabela-inverso"0.8189
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Predominantly Upwind649.30.9241
Predominantly Downwind602.90.9951
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP621.20.9658 Predom. Rc High492.61.2181 5B SF Bay L/M805.20.7452 TriNum AP Low760.80.7887 Predom. Dn Low903.90.6638 5B SF Bay Med694.60.8639 TriNum AP Med593.91.0102 Predom. Dn L/M678.00.8849 5B SF Bay M/H633.80.9466 TriNum AP High535.71.1201 Predom. Dn Med581.91.0310 5B SF Bay High608.90.9854 TriNum W/L Low1018.70.5890 Predom. Dn M/H524.21.1446 5B AP Low833.60.7198 TriNum W/L Med731.60.8201 Predom. Dn High494.01.2145 5B AP L/M668.70.8973 TriNum W/L Hig640.90.9362 ChiMac Up Low813.30.7377 5B AP Med585.81.0242 Predom. Upwind674.60.8894 ChiMac Up Med735.70.8156 5B AP M/H541.61.1079 Predom. Reaching592.01.0135 ChiMac Up High647.30.9269 5B AP High521.31.1510 Predom. Downwind628.10.9552 ChiMac Off Low782.30.7670 5B W/L Low1134.30.5290 Predom. Up Low922.20.6506 ChiMac Off Med694.80.8636 5B W/L L/M843.50.7113 Predom. Up L/M711.00.8439 ChiMac Off High592.81.0122 5B W/L Med718.80.8347 Predom. Up Med628.30.9549 ChiMac AP Low794.10.7556 5B W/L M/H649.30.9241 Predom. Up M/H588.71.0192 ChiMac AP Med712.50.8422 5B W/L High620.90.9664 Predom. Up High574.01.0453 ChiMac AP High618.20.9706 W/L 60-40 Low1144.20.5244 Predom. Rc Low812.20.7388 BayMac Cove Island908.20.6606 W/L 60-40 L/M856.00.7010 Predom. Rc L/M626.90.9571 BayMac Shore901.40.6656 W/L 60-40 Med734.70.8166 Predom. Rc Med553.41.0843 Harvest Moon525.61.1415 W/L 60-40 M/H670.10.8954 Predom. Rc M/H513.21.1691 5B SF Bay Low965.80.6213 W/L 60-40 High645.60.9294      SA/DSPL Up21.57SA/DSPL Dn42.50
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance650.40.9225
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance650.40.9225
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance650.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating650.40.9225
FinRating, kevyt tuuli1112.70.8987
FinRating, kova tuuli525.40.9516
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9225
Triple Number Coastal/Long Distance Low0.7887
Triple Number Coastal/Long Distance Medium1.0103
Triple Number Coastal/Long Distance High1.1201
Triple Number Windward/Leeward Low0.6147
Triple Number Windward/Leeward Medium0.8201
Triple Number Windward/Leeward High0.9362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
For information
General Purpose Handicap (GPH)668.9
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance650.40.9225
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Saronikos S All Purpose685.80.8748
Saronikos S Upwind771.60.7776
Saronikos S Downwind576.31.0411
Saronikos N All Purpose712.50.8420
Saronikos N Upwind801.50.7486
Saronikos N Downwind620.80.9665
Saronikos SW All Purpose689.80.8698
Saronikos SW Upwind790.90.7586
Saronikos SW Downwind582.11.0308
Saronikos NE All Purpose732.90.8187
Saronikos NE Upwind749.70.8004
Saronikos NE Downwind691.20.8680
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose621.20.9658
5-Band All Purpose Low909.10.6600
5-Band All Purpose L/M692.30.8666
5-Band All Purpose Med603.80.9937
5-Band All Purpose M/H555.61.0800
5-Band All Purpose High533.41.1250
Single Number Predominant Upwind648.20.9257
Single Number Predominant Reaching570.31.0522
Single Number Predominant Downwind603.40.9943
5-Band 50-50 Windward/Leeward Low1134.30.5290
5-Band 50-50 Windward/Leeward L/M843.50.7113
5-Band 50-50 Windward/Leeward Med718.80.8347
5-Band 50-50 Windward/Leeward M/H649.30.9241
5-Band 50-50 Windward/Leeward High620.90.9664
5-Band 60-40 Windward/Leeward Low1144.20.5244
5-Band 60-40 Windward/Leeward L/M856.00.7010
5-Band 60-40 Windward/Leeward Med734.70.8166
5-Band 60-40 Windward/Leeward M/H670.10.8954
5-Band 60-40 Windward/Leeward High645.60.9294
Triple Number 50-50 Windward/Leeward Low1018.70.5890
Triple Number 50-50 Windward/Leeward Med731.70.8200
Triple Number 50-50 Windward/Leeward High640.90.9362
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward751.90.7979
Triple Number 60-40 Windward/Leeward Low1029.30.5829
Triple Number 60-40 Windward/Leeward Med747.00.8032
Triple Number 60-40 Windward/Leeward High662.70.9054
Triple Number All-Purpose Low822.50.7295
Triple Number All-Purpose Med612.60.9795
Triple Number All-Purpose High549.21.0925
Triple Number Predominant Upwind Low843.00.7118
Triple Number Predominant Upwind Med639.00.9389
Triple Number Predominant Upwind High589.91.0171
Triple Number Predominant Reaching Low742.90.8076
Triple Number Predominant Reaching Med570.11.0524
Triple Number Predominant Reaching High498.21.2044
Triple Number Predominant Downwind Low813.30.7377
Triple Number Predominant Downwind Med591.91.0138
Triple Number Predominant Downwind High505.71.1864
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance650.40.9225
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance650.40.9225
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low760.7
Triple Number Coastal/Long Distance Medium593.9
Triple Number Coastal/Long Distance High535.7
Triple Number Windward/Leeward Low976.1
Triple Number Windward/Leeward Medium731.6
Triple Number Windward/Leeward High640.9
Predominantly Upwind649.3
Predominantly Downwind602.9
Predominantly Reaching578.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance650.40.9225
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7887
Triple Number Coastal/Long Distance Medium1.0103
Triple Number Coastal/Long Distance High1.1201
Triple Number Windward/Leeward Low0.6147
Triple Number Windward/Leeward Medium0.8201
Triple Number Windward/Leeward High0.9362
Coastal/Long Distance0.9225
Predominantly Upwind0.9241
Predominantly Downwind0.9951
For information
General Purpose Handicap (GPH)668.9
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0039
Distanseseilas Trippeltall svak vind0.7887
Distanseseilas Trippeltall mellomvind1.0103
Distanseseilas Trippeltall sterk vind1.1201
Pølsebane Trippeltall svak vind0.6147
Pølsebane Trippeltall mellomvind0.8201
Pølsebane Trippeltall sterk vind0.9362
Motvind Singeltall0.9241
Medvind Singeltall0.9951
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Coastal/Long Distance650.40.9225
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind649.30.9241
Predominantly Downwind602.90.9951
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore608.20.9865
Cape Doctor Coastal511.81.1723
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7887
Triple Number Coastal/Long Distance Medium1.0103
Triple Number Coastal/Long Distance High1.1201
Triple Number Windward/Leeward Low0.6147
Triple Number Windward/Leeward Medium0.8201
Triple Number Windward/Leeward High0.9362
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7887
Triple Number Coastal/Long Distance Medium1.0103
Triple Number Coastal/Long Distance High1.1201
Triple Number Windward/Leeward Low0.6147
Triple Number Windward/Leeward Medium0.8201
Triple Number Windward/Leeward High0.9362
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance650.40.9225
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Predominantly Upwind649.30.9241
Predominantly Downwind602.90.9951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance650.40.9225
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium593.91.0103
Triple Number Coastal/Long Distance High535.71.1201
Triple Number Windward/Leeward Low976.10.6147
Triple Number Windward/Leeward Medium731.60.8201
Triple Number Windward/Leeward High640.90.9362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1508.01067.4827.4694.1615.1574.6544.0499.3486.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP621.20.9658 Predom. Dn High494.01.2145 5B AP M/H541.61.1079 TriNum AP Low760.80.7887 Predom. Rc Low812.20.7388 5B AP High521.31.1510 TriNum AP Med593.91.0102 Predom. Rc L/M626.90.9571 5B SF Bay Low965.80.6213 TriNum AP High535.71.1201 Predom. Rc Med553.41.0843 5B SF Bay L/M805.20.7452 TriNum W/L Low1018.70.5890 Predom. Rc M/H513.21.1691 5B SF Bay Med694.60.8639 TriNum W/L Med731.60.8201 Predom. Rc High492.61.2181 5B SF Bay M/H633.80.9466 TriNum W/L Hig640.90.9362 5B W/L Low1134.30.5290 5B SF Bay High608.90.9854 Predom. Upwind674.60.8894 5B W/L L/M843.50.7113 ChiMac Up Low813.30.7377 Predom. Reaching592.01.0135 5B W/L Med718.80.8347 ChiMac Up Med735.70.8156 Predom. Downwind628.10.9552 5B W/L M/H649.30.9241 ChiMac Up High647.30.9269 Predom. Up Low922.20.6506 5B W/L High620.90.9664 ChiMac Off Low782.30.7670 Predom. Up L/M711.00.8439 W/L 60-40 Low1144.20.5244 ChiMac Off Med694.80.8636 Predom. Up Med628.30.9549 W/L 60-40 L/M856.00.7010 ChiMac Off High592.81.0122 Predom. Up M/H588.71.0192 W/L 60-40 Med734.70.8166 ChiMac AP Low794.10.7556 Predom. Up High574.01.0453 W/L 60-40 M/H670.10.8954 ChiMac AP Med712.50.8422 Predom. Dn Low903.90.6638 W/L 60-40 High645.60.9294 ChiMac AP High618.20.9706 Predom. Dn L/M678.00.8849 5B AP Low833.60.7198 BayMac Cove Island908.20.6606 Predom. Dn Med581.91.0310 5B AP L/M668.70.8973 BayMac Shore901.40.6656 Predom. Dn M/H524.21.1446 5B AP Med585.81.0242 Harvest Moon525.61.1415      SA/DSPL Up21.57SA/DSPL Dn42.50
ORC Ref  04560004PWB Issued on 14/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Luna BluUSA 1710
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBRISTOL 39 CB YAWLMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.817Maximum beam3.328Draft2.142Displacement7,992Wetted area26.01IMS L8.769LSM08.366Accomod. length10.817Sink (kg/mm) 19.00
VCGD0.221VCGM0.146 RM Rated (kg·m) 121.0Limit of positive stability(°) 103.4 Stability Index 110.1 BLR index 0.0000Default crew weight534 Declared crew weight 808
Centerboard weight100.0List angleCanting keel angle
PROPELLER
Propeller TypeSolid 3 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.375PBWPIPA0.0098
APH0.436APT0.174APB0.158
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P12.802IG13.893ISP14.270MDT10.122MDL10.219MDT2MDL2TLNo TaperMW0.219GO0.250
E4.624J4.432BAS1.247FSD0.034SFJ0.000SPL4.508WPLTPS4.440BD0.116MWTMCG
PY5.922MDT1Y0.058MDL1Y0.098MDT2Y0.058MDL2Y0.098TLY0.000BASY1.698EY2.439BDY0.128IY7.620EB5.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.220Flotation Date10/05/1983
SFFP0.776FFM1.234FF1.245LCFcl6.279SG1.0180
SAFP10.836FAM0.933FA0.942LCFsh6.495HBI0.974
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG#Water53005.00-0.20Fuel9506.00-0.10Total deductible0
Total deductible
ORC Ref  04560004PWB Issued on 14/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Luna BluUSA 1710
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment21291250.120.821.542.813.9634.17Offshore Mainsail, Dacron
MIZZEN
IdMHBMUWMTWMHWMQWAreaMeas.DateComment21891800.120.500.881.562.008.4716/04/2026Offshore Mizzen 2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentblooper7.8112.50NoYes049.69LM#10.130.871.673.365.156.8212.95NoNo 44.1601/06/202321833690.050.791.563.194.896.6312.95NoNo 42.09Heavy #1 GENOA
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment157045014.8114.8114.818.118.11100.09
MIZZEN STAYSAIL
IdYSHFYSHWYSFLAreaMeas.DateCommentM-SS8.693.685.6928.35H62372
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.8 mTable area0.55 m²Headroom1.75 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity120 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity66 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004PWB Issued on 14/05/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org