Double HandedClub Certificate2026
Hill BillyRSA 198
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
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 Angles45.9°42.9°40.8°39.3°38.7°38.6°38.7°40.1°42.3°
Beat VMG2.173.113.794.214.364.434.474.454.21
52°3.404.725.606.056.226.316.366.406.30
60°3.664.975.816.236.426.516.576.636.59
75°3.875.266.076.396.646.816.917.047.06
90°4.065.466.256.646.887.047.217.527.69
110°3.905.406.306.787.197.557.858.548.95
120°3.745.226.186.717.177.688.269.1310.08
135°3.244.645.706.386.867.357.959.6212.05
150°2.673.904.945.806.416.867.348.6210.80
Run VMG2.313.374.285.035.736.256.687.589.35
Gybe Angles139.0°143.0°147.8°155.0°162.4°169.6°173.6°163.8°141.8°
APH ToD:615.8CDL: 6.946APH ToT: 0.9744CertNo:ZAD306
BOAT
ClassJ-27DesignerJohnstoneBuilderDP YachtingAge date01/1991Series date01/1983Offset fileJ-27.offData fileRSA198
HULL
Length Overall8.428 mMaximum Beam2.594 mDraft1.520 mDisplacement1,785 kgDLR5.1043IMS DivisionSportboatDynamic Allowance0.180%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail22.7723.27Headsail Luffed11.4611.46Headsail FlyingSymmetric42.9942.99Asymmetric42.4342.43 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail6.74Storm Jib4.19Heavy Weather Jib11.30
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 36.7 kg·m Stability Index 103.4
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  04620004LAJ Issued on 14/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Hill BillyRSA 198
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
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 VMG1656.21158.0949.1855.5825.1812.2805.7809.8854.8
52°1057.3762.5643.4594.8578.3570.7565.9562.8571.1
60°984.6724.2620.1577.8561.1553.3547.9543.3546.7
75°929.6684.1592.8563.5542.4529.0521.1511.6510.1
90°887.1659.8575.9542.5523.3511.7499.4478.6468.1
110°922.3667.1571.7530.6500.9476.7458.4421.7402.0
120°961.6689.9582.9536.9502.2468.9436.0394.3357.1
135°1112.6776.2631.5564.2524.7489.5452.6374.2298.8
150°1349.2924.2728.3621.2561.6524.4490.5417.6333.3
Run VMG1557.91067.2841.0716.1628.7575.6539.3475.3384.9
Selected Courses
Windward / Leeward1607.11112.6895.0785.8726.9693.9672.5642.5619.8
All purpose1204.4851.0702.7633.7597.5574.7556.7527.6508.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward758.50.7910
All purpose615.80.9744
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6758
Downwind "popa"0.8672
70% up, 30% down "Ilhabela"0.7237
30% up, 70% down "Ilhabela-inverso"0.7993
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Predominantly Upwind673.80.8904
Predominantly Downwind614.70.9762
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP640.10.9373 Predom. Rc High492.11.2192 5B SF Bay L/M824.40.7278 TriNum AP Low776.80.7724 Predom. Dn Low934.30.6422 5B SF Bay Med717.50.8363 TriNum AP Med612.70.9793 Predom. Dn L/M693.50.8651 5B SF Bay M/H658.90.9106 TriNum AP High550.31.0903 Predom. Dn Med596.11.0065 5B SF Bay High628.10.9553 TriNum W/L Low1053.20.5697 Predom. Dn M/H529.21.1339 5B AP Low859.50.6981 TriNum W/L Med752.30.7976 Predom. Dn High477.61.2564 5B AP L/M684.60.8764 TriNum W/L Hig666.60.9001 ChiMac Up Low840.50.7139 5B AP Med605.00.9917 Predom. Upwind702.60.8540 ChiMac Up Med762.80.7866 5B AP M/H558.31.0747 Predom. Reaching607.40.9878 ChiMac Up High672.90.8917 5B AP High529.31.1335 Predom. Downwind640.70.9364 ChiMac Off Low806.10.7444 5B W/L Low1181.80.5077 Predom. Up Low953.60.6292 ChiMac Off Med713.20.8413 5B W/L L/M863.70.6947 Predom. Up L/M729.40.8225 ChiMac Off High600.00.9999 5B W/L Med740.60.8101 Predom. Up Med655.00.9160 ChiMac AP Low818.40.7331 5B W/L M/H675.60.8881 Predom. Up M/H619.80.9680 ChiMac AP Med734.60.8167 5B W/L High643.80.9320 Predom. Up High604.40.9928 ChiMac AP High634.60.9454 W/L 60-40 Low1191.50.5036 Predom. Rc Low829.30.7235 BayMac Cove Island943.90.6357 W/L 60-40 L/M876.70.6844 Predom. Rc L/M640.20.9372 BayMac Shore935.90.6411 W/L 60-40 Med759.80.7897 Predom. Rc Med571.81.0493 Harvest Moon532.91.1260 W/L 60-40 M/H702.30.8543 Predom. Rc M/H526.71.1392 5B SF Bay Low994.70.6032 W/L 60-40 High678.40.8845      SA/DSPL Up23.22SA/DSPL Dn44.60
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance669.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating669.40.8964
FinRating, kevyt tuuli1160.90.8614
FinRating, kova tuuli530.80.9420
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8964
Triple Number Coastal/Long Distance Low0.7724
Triple Number Coastal/Long Distance Medium0.9794
Triple Number Coastal/Long Distance High1.0903
Triple Number Windward/Leeward Low0.5977
Triple Number Windward/Leeward Medium0.7976
Triple Number Windward/Leeward High0.9001
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
For information
General Purpose Handicap (GPH)688.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Saronikos S All Purpose697.90.8598
Saronikos S Upwind798.50.7514
Saronikos S Downwind570.41.0519
Saronikos N All Purpose740.30.8104
Saronikos N Upwind836.20.7175
Saronikos N Downwind631.60.9500
Saronikos SW All Purpose697.40.8603
Saronikos SW Upwind814.00.7371
Saronikos SW Downwind578.11.0379
Saronikos NE All Purpose760.70.7888
Saronikos NE Upwind780.00.7692
Saronikos NE Downwind705.10.8510
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose640.10.9373
5-Band All Purpose Low938.00.6397
5-Band All Purpose L/M708.70.8466
5-Band All Purpose Med624.10.9614
5-Band All Purpose M/H574.01.0453
5-Band All Purpose High541.51.1081
Single Number Predominant Upwind672.30.8925
Single Number Predominant Reaching585.71.0245
Single Number Predominant Downwind615.90.9741
5-Band 50-50 Windward/Leeward Low1181.80.5077
5-Band 50-50 Windward/Leeward L/M863.70.6947
5-Band 50-50 Windward/Leeward Med740.60.8101
5-Band 50-50 Windward/Leeward M/H675.60.8881
5-Band 50-50 Windward/Leeward High643.80.9320
5-Band 60-40 Windward/Leeward Low1191.50.5036
5-Band 60-40 Windward/Leeward L/M876.70.6844
5-Band 60-40 Windward/Leeward Med759.80.7897
5-Band 60-40 Windward/Leeward M/H702.30.8543
5-Band 60-40 Windward/Leeward High678.40.8845
Triple Number 50-50 Windward/Leeward Low1053.20.5697
Triple Number 50-50 Windward/Leeward Med752.40.7975
Triple Number 50-50 Windward/Leeward High666.60.9001
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward777.80.7714
Triple Number 60-40 Windward/Leeward Low1063.50.5642
Triple Number 60-40 Windward/Leeward Med770.40.7788
Triple Number 60-40 Windward/Leeward High695.10.8632
Triple Number All-Purpose Low843.90.7110
Triple Number All-Purpose Med632.30.9490
Triple Number All-Purpose High565.31.0615
Triple Number Predominant Upwind Low867.30.6918
Triple Number Predominant Upwind Med663.90.9037
Triple Number Predominant Upwind High624.20.9613
Triple Number Predominant Reaching Low756.80.7928
Triple Number Predominant Reaching Med589.11.0186
Triple Number Predominant Reaching High507.61.1821
Triple Number Predominant Downwind Low836.00.7177
Triple Number Predominant Downwind Med605.80.9905
Triple Number Predominant Downwind High502.31.1946
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low776.8
Triple Number Coastal/Long Distance Medium612.6
Triple Number Coastal/Long Distance High550.3
Triple Number Windward/Leeward Low1003.8
Triple Number Windward/Leeward Medium752.3
Triple Number Windward/Leeward High666.6
Predominantly Upwind673.8
Predominantly Downwind614.7
Predominantly Reaching592.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7724
Triple Number Coastal/Long Distance Medium0.9794
Triple Number Coastal/Long Distance High1.0903
Triple Number Windward/Leeward Low0.5977
Triple Number Windward/Leeward Medium0.7976
Triple Number Windward/Leeward High0.9001
Coastal/Long Distance0.8964
Predominantly Upwind0.8904
Predominantly Downwind0.9762
For information
General Purpose Handicap (GPH)688.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9744
Distanseseilas Trippeltall svak vind0.7724
Distanseseilas Trippeltall mellomvind0.9794
Distanseseilas Trippeltall sterk vind1.0903
Pølsebane Trippeltall svak vind0.5977
Pølsebane Trippeltall mellomvind0.7976
Pølsebane Trippeltall sterk vind0.9001
Motvind Singeltall0.8904
Medvind Singeltall0.9762
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Coastal/Long Distance669.40.8964
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind673.80.8904
Predominantly Downwind614.70.9762
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore626.60.9575
Cape Doctor Coastal514.31.1667
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7724
Triple Number Coastal/Long Distance Medium0.9794
Triple Number Coastal/Long Distance High1.0903
Triple Number Windward/Leeward Low0.5977
Triple Number Windward/Leeward Medium0.7976
Triple Number Windward/Leeward High0.9001
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7724
Triple Number Coastal/Long Distance Medium0.9794
Triple Number Coastal/Long Distance High1.0903
Triple Number Windward/Leeward Low0.5977
Triple Number Windward/Leeward Medium0.7976
Triple Number Windward/Leeward High0.9001
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Predominantly Upwind673.80.8904
Predominantly Downwind614.70.9762
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance669.40.8964
Triple Number Coastal/Long Distance Low776.80.7724
Triple Number Coastal/Long Distance Medium612.60.9794
Triple Number Coastal/Long Distance High550.31.0903
Triple Number Windward/Leeward Low1003.80.5977
Triple Number Windward/Leeward Medium752.30.7976
Triple Number Windward/Leeward High666.60.9001
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1602.21108.1841.4710.6637.9596.5560.3500.4476.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP640.10.9373 Predom. Dn High477.61.2564 5B AP M/H558.31.0747 TriNum AP Low776.80.7724 Predom. Rc Low829.30.7235 5B AP High529.31.1335 TriNum AP Med612.70.9793 Predom. Rc L/M640.20.9372 5B SF Bay Low994.70.6032 TriNum AP High550.31.0903 Predom. Rc Med571.81.0493 5B SF Bay L/M824.40.7278 TriNum W/L Low1053.20.5697 Predom. Rc M/H526.71.1392 5B SF Bay Med717.50.8363 TriNum W/L Med752.30.7976 Predom. Rc High492.11.2192 5B SF Bay M/H658.90.9106 TriNum W/L Hig666.60.9001 5B W/L Low1181.80.5077 5B SF Bay High628.10.9553 Predom. Upwind702.60.8540 5B W/L L/M863.70.6947 ChiMac Up Low840.50.7139 Predom. Reaching607.40.9878 5B W/L Med740.60.8101 ChiMac Up Med762.80.7866 Predom. Downwind640.70.9364 5B W/L M/H675.60.8881 ChiMac Up High672.90.8917 Predom. Up Low953.60.6292 5B W/L High643.80.9320 ChiMac Off Low806.10.7444 Predom. Up L/M729.40.8225 W/L 60-40 Low1191.50.5036 ChiMac Off Med713.20.8413 Predom. Up Med655.00.9160 W/L 60-40 L/M876.70.6844 ChiMac Off High600.00.9999 Predom. Up M/H619.80.9680 W/L 60-40 Med759.80.7897 ChiMac AP Low818.40.7331 Predom. Up High604.40.9928 W/L 60-40 M/H702.30.8543 ChiMac AP Med734.60.8167 Predom. Dn Low934.30.6422 W/L 60-40 High678.40.8845 ChiMac AP High634.60.9454 Predom. Dn L/M693.50.8651 5B AP Low859.50.6981 BayMac Cove Island943.90.6357 Predom. Dn Med596.11.0065 5B AP L/M684.60.8764 BayMac Shore935.90.6411 Predom. Dn M/H529.21.1339 5B AP Med605.00.9917 Harvest Moon532.91.1260      SA/DSPL Up23.22SA/DSPL Dn44.60
ORC Ref  04620004LAJ Issued on 14/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Hill BillyRSA 198
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-27Measurement14/04/2026HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.428Maximum beam2.594Draft1.520Displacement1,785Wetted area13.40IMS L7.340LSM07.045Accomod. length8.428Sink (kg/mm) 10.47
VCGD0.051VCGM0.041 RM Rated (kg·m) 36.7Limit of positive stability(°) 108.6 Stability Index 103.4 BLR index 0.0000Default crew weight170 Declared crew weight 320
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
P10.130IG9.083ISP9.163MDT10.085MDL10.125MDT20.055MDL20.105TL1.250MW0.129GO0.152
E3.800J3.200BAS1.103FSDNo FoilSFJ0.000SPL3.240WPLTPS3.200BD0.105MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date14/04/2026
SFFP0.457FFM0.837FF0.837LCFcl4.669SG1.0265
SAFP8.412FAM0.668FA0.668LCFsh4.845HBI0.739
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004LAJ Issued on 14/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Hill BillyRSA 198
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM-10.160.771.422.413.1922.7709/07/2025Re-measure
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ3-20.060.290.581.201.932.938.72NoNo 11.4630/03/2026Re-cut
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS2-19.199.199.195.655.4742.9909/07/2025White
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA3-19.508.869.185.495.7795%42.4309/07/2025WhiteA0-19.328.739.033.885.1575%31.0909/07/2025White
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04620004LAJ Issued on 14/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org