Non Spin/HSFClub Certificate2026
SEAMMA3386
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 Angles45.4°42.6°40.4°37.6°36.9°36.5°36.5°36.9°38.5°
Beat VMG2.473.464.164.594.754.824.864.874.77
52°3.865.226.026.396.546.626.676.746.73
60°4.145.476.186.526.716.806.876.977.00
75°4.355.626.286.636.917.097.217.417.52
90°4.225.516.246.646.977.277.547.948.26
110°3.634.955.906.466.897.297.748.809.50
120°3.274.665.676.316.747.167.618.9010.54
135°2.784.085.135.926.436.827.228.249.79
150°2.303.444.465.326.006.456.827.628.78
Run VMG1.992.983.864.655.375.986.407.117.94
Gybe Angles140.3°144.7°150.5°156.8°169.1°177.2°179.2°179.7°178.9°
APH ToD:612.0CDL: 7.609APH ToT: 0.9804CertNo:US3386
BOAT
ClassJ 27DesignerJOHNSTONEBuilderTPIAge date01/1984Series date01/1984Offset fileJ-27.offData fileUS3386
HULL
Length Overall8.428 mMaximum Beam2.594 mDraft1.513 mDisplacement1,716 kgDLR5.0094IMS DivisionSportboatDynamic Allowance0.090%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight414 kg(default)Minimum weight284 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail22.8723.41Headsail Luffed22.9522.95Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.71Storm Jib4.24Heavy Weather Jib11.45
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 37.8 kg·m Stability Index 102.0
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  04560004V26 Issued on 09/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SEAMMA3386
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 VMG1456.71041.2865.4784.1758.2746.7741.1738.8754.7
52°931.7689.6597.6563.7550.4544.1539.7534.4535.2
60°868.8658.2582.5552.3536.7529.4523.8516.3514.5
75°828.5640.8573.4542.8521.2507.7499.5485.9478.9
90°853.0653.4576.9541.8516.5495.1477.4453.5436.0
110°992.0728.0610.6557.1522.9493.8465.2409.3379.1
120°1100.1773.2634.4570.2534.0502.5472.8404.3341.6
135°1296.8881.8701.3607.7560.3528.1498.7437.1367.8
150°1567.51047.0807.8676.1600.0558.0527.7472.4410.2
Run VMG1809.91209.0932.4774.5670.3602.3562.3506.3453.6
Selected Courses
Windward / Leeward1633.31125.1898.9779.3714.2674.5651.7622.5604.1
All purpose1211.9858.6707.5632.4592.2567.0548.7517.8494.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward747.50.8027
All purpose612.00.9804
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance666.10.9008
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7400
Downwind "popa"0.7989
70% up, 30% down "Ilhabela"0.7568
30% up, 70% down "Ilhabela-inverso"0.7803
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Predominantly Upwind648.80.9248
Predominantly Downwind637.40.9413
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP636.60.9424 Predom. Rc High491.01.2219 5B SF Bay L/M818.10.7334 TriNum AP Low783.10.7662 Predom. Dn Low1003.30.5981 5B SF Bay Med704.00.8523 TriNum AP Med609.00.9853 Predom. Dn L/M728.30.8238 5B SF Bay M/H641.50.9353 TriNum AP High541.71.1077 Predom. Dn Med614.30.9767 5B SF Bay High610.80.9822 TriNum W/L Low1062.20.5649 Predom. Dn M/H542.31.1065 5B AP Low880.80.6812 TriNum W/L Med741.40.8093 Predom. Dn High496.81.2077 5B AP L/M686.20.8743 TriNum W/L Hig646.50.9281 ChiMac Up Low803.60.7466 5B AP Med600.60.9990 Predom. Upwind673.30.8911 ChiMac Up Med730.40.8215 5B AP M/H550.21.0905 Predom. Reaching610.90.9821 ChiMac Up High645.10.9301 5B AP High519.11.1558 Predom. Downwind668.40.8977 ChiMac Off Low855.40.7014 5B W/L Low1195.60.5018 Predom. Up Low908.90.6602 ChiMac Off Med749.40.8006 5B W/L L/M862.80.6954 Predom. Up L/M701.80.8550 ChiMac Off High623.40.9625 5B W/L Med728.50.8236 Predom. Up Med629.80.9526 ChiMac AP Low823.70.7284 5B W/L M/H655.90.9148 Predom. Up M/H593.81.0104 ChiMac AP Med735.70.8156 5B W/L High624.40.9609 Predom. Up High576.11.0414 ChiMac AP High631.50.9501 W/L 60-40 Low1176.70.5099 Predom. Rc Low845.50.7097 BayMac Cove Island951.60.6305 W/L 60-40 L/M859.60.6980 Predom. Rc L/M648.80.9248 BayMac Shore940.20.6382 W/L 60-40 Med736.40.8148 Predom. Rc Med573.01.0472 Harvest Moon541.31.1085 W/L 60-40 M/H673.30.8911 Predom. Rc M/H524.11.1449 5B SF Bay Low993.40.6040 W/L 60-40 High647.90.9261      SA/DSPL Up31.91SA/DSPL Dn31.91
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance666.10.9008
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance666.10.9008
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance666.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating666.10.9008
FinRating, kevyt tuuli1180.80.8469
FinRating, kova tuuli519.60.9623
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9008
Triple Number Coastal/Long Distance Low0.7662
Triple Number Coastal/Long Distance Medium0.9854
Triple Number Coastal/Long Distance High1.1077
Triple Number Windward/Leeward Low0.5929
Triple Number Windward/Leeward Medium0.8093
Triple Number Windward/Leeward High0.9281
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
For information
General Purpose Handicap (GPH)686.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance666.10.9008
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Saronikos S All Purpose678.80.8839
Saronikos S Upwind738.10.8129
Saronikos S Downwind619.50.9685
Saronikos N All Purpose722.10.8310
Saronikos N Upwind769.80.7795
Saronikos N Downwind686.50.8739
Saronikos SW All Purpose684.20.8769
Saronikos SW Upwind753.70.7961
Saronikos SW Downwind631.20.9506
Saronikos NE All Purpose756.10.7936
Saronikos NE Upwind724.50.8282
Saronikos NE Downwind776.40.7728
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose636.60.9424
5-Band All Purpose Low948.60.6325
5-Band All Purpose L/M711.70.8430
5-Band All Purpose Med619.90.9678
5-Band All Purpose M/H566.11.0600
5-Band All Purpose High534.91.1217
Single Number Predominant Upwind646.50.9281
Single Number Predominant Reaching589.01.0187
Single Number Predominant Downwind639.10.9388
5-Band 50-50 Windward/Leeward Low1195.60.5018
5-Band 50-50 Windward/Leeward L/M862.80.6954
5-Band 50-50 Windward/Leeward Med728.50.8236
5-Band 50-50 Windward/Leeward M/H655.90.9148
5-Band 50-50 Windward/Leeward High624.40.9609
5-Band 60-40 Windward/Leeward Low1176.70.5099
5-Band 60-40 Windward/Leeward L/M859.60.6980
5-Band 60-40 Windward/Leeward Med736.40.8148
5-Band 60-40 Windward/Leeward M/H673.30.8911
5-Band 60-40 Windward/Leeward High647.90.9261
Triple Number 50-50 Windward/Leeward Low1062.20.5649
Triple Number 50-50 Windward/Leeward Med741.50.8092
Triple Number 50-50 Windward/Leeward High646.50.9281
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward754.60.7951
Triple Number 60-40 Windward/Leeward Low1048.80.5721
Triple Number 60-40 Windward/Leeward Med747.80.8024
Triple Number 60-40 Windward/Leeward High665.50.9016
Triple Number All-Purpose Low852.30.7040
Triple Number All-Purpose Med628.90.9540
Triple Number All-Purpose High557.51.0762
Triple Number Predominant Upwind Low834.50.7190
Triple Number Predominant Upwind Med639.00.9389
Triple Number Predominant Upwind High593.21.0115
Triple Number Predominant Reaching Low768.90.7803
Triple Number Predominant Reaching Med589.01.0187
Triple Number Predominant Reaching High506.51.1846
Triple Number Predominant Downwind Low889.20.6748
Triple Number Predominant Downwind Med628.80.9542
Triple Number Predominant Downwind High522.11.1493
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance666.10.9008
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance666.10.9008
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low783.1
Triple Number Coastal/Long Distance Medium608.9
Triple Number Coastal/Long Distance High541.7
Triple Number Windward/Leeward Low1012.0
Triple Number Windward/Leeward Medium741.4
Triple Number Windward/Leeward High646.5
Predominantly Upwind648.8
Predominantly Downwind637.4
Predominantly Reaching603.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance666.10.9008
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7662
Triple Number Coastal/Long Distance Medium0.9854
Triple Number Coastal/Long Distance High1.1077
Triple Number Windward/Leeward Low0.5929
Triple Number Windward/Leeward Medium0.8093
Triple Number Windward/Leeward High0.9281
Coastal/Long Distance0.9008
Predominantly Upwind0.9248
Predominantly Downwind0.9413
For information
General Purpose Handicap (GPH)686.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9804
Distanseseilas Trippeltall svak vind0.7662
Distanseseilas Trippeltall mellomvind0.9854
Distanseseilas Trippeltall sterk vind1.1077
Pølsebane Trippeltall svak vind0.5929
Pølsebane Trippeltall mellomvind0.8093
Pølsebane Trippeltall sterk vind0.9281
Motvind Singeltall0.9248
Medvind Singeltall0.9413
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Coastal/Long Distance666.10.9008
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind648.80.9248
Predominantly Downwind637.40.9413
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore609.70.9842
Cape Doctor Coastal501.61.1963
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7662
Triple Number Coastal/Long Distance Medium0.9854
Triple Number Coastal/Long Distance High1.1077
Triple Number Windward/Leeward Low0.5929
Triple Number Windward/Leeward Medium0.8093
Triple Number Windward/Leeward High0.9281
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7662
Triple Number Coastal/Long Distance Medium0.9854
Triple Number Coastal/Long Distance High1.1077
Triple Number Windward/Leeward Low0.5929
Triple Number Windward/Leeward Medium0.8093
Triple Number Windward/Leeward High0.9281
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance666.10.9008
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Predominantly Upwind648.80.9248
Predominantly Downwind637.40.9413
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance666.10.9008
Triple Number Coastal/Long Distance Low783.10.7662
Triple Number Coastal/Long Distance Medium608.90.9854
Triple Number Coastal/Long Distance High541.71.1077
Triple Number Windward/Leeward Low1012.00.5929
Triple Number Windward/Leeward Medium741.40.8093
Triple Number Windward/Leeward High646.50.9281
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1651.01133.5849.2707.9630.2588.2554.5492.6463.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP636.60.9424 Predom. Dn High496.81.2077 5B AP M/H550.21.0905 TriNum AP Low783.10.7662 Predom. Rc Low845.50.7097 5B AP High519.11.1558 TriNum AP Med609.00.9853 Predom. Rc L/M648.80.9248 5B SF Bay Low993.40.6040 TriNum AP High541.71.1077 Predom. Rc Med573.01.0472 5B SF Bay L/M818.10.7334 TriNum W/L Low1062.20.5649 Predom. Rc M/H524.11.1449 5B SF Bay Med704.00.8523 TriNum W/L Med741.40.8093 Predom. Rc High491.01.2219 5B SF Bay M/H641.50.9353 TriNum W/L Hig646.50.9281 5B W/L Low1195.60.5018 5B SF Bay High610.80.9822 Predom. Upwind673.30.8911 5B W/L L/M862.80.6954 ChiMac Up Low803.60.7466 Predom. Reaching610.90.9821 5B W/L Med728.50.8236 ChiMac Up Med730.40.8215 Predom. Downwind668.40.8977 5B W/L M/H655.90.9148 ChiMac Up High645.10.9301 Predom. Up Low908.90.6602 5B W/L High624.40.9609 ChiMac Off Low855.40.7014 Predom. Up L/M701.80.8550 W/L 60-40 Low1176.70.5099 ChiMac Off Med749.40.8006 Predom. Up Med629.80.9526 W/L 60-40 L/M859.60.6980 ChiMac Off High623.40.9625 Predom. Up M/H593.81.0104 W/L 60-40 Med736.40.8148 ChiMac AP Low823.70.7284 Predom. Up High576.11.0414 W/L 60-40 M/H673.30.8911 ChiMac AP Med735.70.8156 Predom. Dn Low1003.30.5981 W/L 60-40 High647.90.9261 ChiMac AP High631.50.9501 Predom. Dn L/M728.30.8238 5B AP Low880.80.6812 BayMac Cove Island951.60.6305 Predom. Dn Med614.30.9767 5B AP L/M686.20.8743 BayMac Shore940.20.6382 Predom. Dn M/H542.31.1065 5B AP Med600.60.9990 Harvest Moon541.31.1085      SA/DSPL Up31.91SA/DSPL Dn31.91
ORC Ref  04560004V26 Issued on 09/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SEAMMA3386
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 27MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.428Maximum beam2.594Draft1.513Displacement1,716Wetted area13.22IMS L7.459LSM06.996Accomod. length8.428Sink (kg/mm) 10.35
VCGD-0.028VCGM-0.031 RM Rated (kg·m) 37.8Limit of positive stability(°) 107.8 Stability Index 102.0 BLR index 0.0000Default crew weight414 Declared crew weight 180
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P10.060IG9.140ISP9.180MDT10.090MDL10.130MDT20.058MDL20.105TL1.250MW0.129GO0.152
E3.810J3.200BAS1.100FSD0.028SFJ0.000SPL3.200WPLTPSBD0.105MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date19/02/2013
SFFP0.457FFM0.849FF0.849LCFcl4.674SG
SAFP8.412FAM0.670FA0.670LCFsh4.850HBI0.748
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004V26 Issued on 09/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
SEAMMA3386
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn0.140.801.432.463.2222.8702/07/2026OUS143745-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentAP0.080.651.232.443.704.969.28NoNo 22.9502/07/2026OUS141259-001
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004V26 Issued on 09/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org