Club 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°43.3°41.2°39.3°37.7°37.6°37.4°38.0°40.0°
Beat VMG2.143.073.764.264.534.624.684.714.59
52°3.354.695.576.096.346.456.526.586.57
60°3.604.945.796.256.506.636.716.816.82
75°3.835.246.096.486.676.897.047.227.30
90°4.015.426.256.676.977.187.347.717.97
110°3.865.356.286.797.227.658.088.809.43
120°3.705.176.136.677.147.658.289.5210.56
135°3.204.595.656.346.807.277.829.4012.36
150°2.643.864.905.756.376.807.258.3810.46
Run VMG2.283.344.244.995.696.226.637.459.06
Gybe Angles139.0°143.2°147.8°155.5°162.8°170.9°176.3°169.1°139.5°
APH ToD:610.3CDL: 7.241APH ToT: 0.9831CertNo:ZAC306
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 weight320 kg(declared)Minimum weight190 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 99.9
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  04620004LAE Issued on 14/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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 VMG1682.51172.4957.6845.3795.3778.6768.8764.7784.9
52°1074.0768.3646.6591.5568.1558.4552.4546.7548.2
60°1000.1728.9622.2576.4554.1542.6536.2528.7528.0
75°940.2686.9591.4555.7539.6522.5511.1498.5493.4
90°897.9664.1576.2539.4516.1501.1490.3466.8451.9
110°932.1672.9573.7530.6498.7470.8445.6409.1382.0
120°971.9696.9587.1539.4503.9470.6435.0378.3340.8
135°1125.7784.3637.3568.2529.5495.1460.6383.0291.2
150°1364.9933.2734.9626.3565.2529.1496.8429.6344.3
Run VMG1576.11077.6848.6721.8632.4578.6543.0483.4397.6
Selected Courses
Windward / Leeward1629.31125.0903.1783.5713.9678.6655.9624.0591.2
All purpose1220.5859.2707.2631.9589.8565.1545.8514.3487.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward749.90.8001
All purpose610.30.9831
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.00.9036
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6905
Downwind "popa"0.8597
70% up, 30% down "Ilhabela"0.7338
30% up, 70% down "Ilhabela-inverso"0.8008
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Predominantly Upwind665.50.9016
Predominantly Downwind615.50.9748
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP634.60.9454 Predom. Rc High483.01.2423 5B SF Bay L/M825.90.7265 TriNum AP Low783.20.7661 Predom. Dn Low943.90.6356 5B SF Bay Med707.40.8482 TriNum AP Med607.50.9876 Predom. Dn L/M697.00.8608 5B SF Bay M/H642.60.9338 TriNum AP High538.81.1135 Predom. Dn Med595.41.0078 5B SF Bay High607.30.9879 TriNum W/L Low1063.60.5641 Predom. Dn M/H527.21.1381 5B AP Low867.80.6914 TriNum W/L Med744.00.8064 Predom. Dn High474.61.2641 5B AP L/M685.70.8750 TriNum W/L Hig649.60.9236 ChiMac Up Low843.70.7111 5B AP Med598.81.0020 Predom. Upwind694.30.8642 ChiMac Up Med759.70.7898 5B AP M/H547.51.0960 Predom. Reaching604.70.9921 ChiMac Up High662.30.9060 5B AP High515.11.1649 Predom. Downwind641.60.9352 ChiMac Off Low811.90.7390 5B W/L Low1195.60.5018 Predom. Up Low964.00.6224 ChiMac Off Med716.40.8376 5B W/L L/M865.70.6931 Predom. Up L/M729.20.8228 ChiMac Off High600.10.9998 5B W/L Med730.60.8213 Predom. Up Med644.20.9313 ChiMac AP Low822.80.7292 5B W/L M/H659.20.9102 Predom. Up M/H603.10.9949 ChiMac AP Med734.50.8169 5B W/L High623.90.9618 Predom. Up High582.81.0296 ChiMac AP High629.20.9536 W/L 60-40 Low1205.70.4976 Predom. Rc Low837.30.7166 BayMac Cove Island949.50.6319 W/L 60-40 L/M877.70.6836 Predom. Rc L/M641.40.9355 BayMac Shore941.30.6374 W/L 60-40 Med746.90.8033 Predom. Rc Med567.61.0571 Harvest Moon530.41.1312 W/L 60-40 M/H681.80.8801 Predom. Rc M/H520.01.1538 5B SF Bay Low1005.40.5968 W/L 60-40 High652.90.9190      SA/DSPL Up23.22SA/DSPL Dn44.60
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.00.9036
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.00.9036
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance664.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating664.00.9036
FinRating, kevyt tuuli1174.50.8514
FinRating, kova tuuli515.20.9704
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9036
Triple Number Coastal/Long Distance Low0.7661
Triple Number Coastal/Long Distance Medium0.9877
Triple Number Coastal/Long Distance High1.1135
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8064
Triple Number Windward/Leeward High0.9236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
For information
General Purpose Handicap (GPH)685.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.00.9036
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Saronikos S All Purpose696.30.8617
Saronikos S Upwind793.50.7562
Saronikos S Downwind575.51.0426
Saronikos N All Purpose734.50.8169
Saronikos N Upwind829.80.7231
Saronikos N Downwind636.20.9431
Saronikos SW All Purpose699.10.8582
Saronikos SW Upwind814.80.7364
Saronikos SW Downwind581.91.0310
Saronikos NE All Purpose757.60.7920
Saronikos NE Upwind775.30.7739
Saronikos NE Downwind710.00.8451
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose634.60.9454
5-Band All Purpose Low947.80.6330
5-Band All Purpose L/M710.20.8449
5-Band All Purpose Med618.10.9707
5-Band All Purpose M/H564.31.0632
5-Band All Purpose High528.91.1344
Single Number Predominant Upwind664.20.9034
Single Number Predominant Reaching583.01.0292
Single Number Predominant Downwind616.50.9733
5-Band 50-50 Windward/Leeward Low1195.60.5018
5-Band 50-50 Windward/Leeward L/M865.70.6931
5-Band 50-50 Windward/Leeward Med730.60.8213
5-Band 50-50 Windward/Leeward M/H659.20.9102
5-Band 50-50 Windward/Leeward High623.90.9618
5-Band 60-40 Windward/Leeward Low1205.70.4976
5-Band 60-40 Windward/Leeward L/M877.70.6836
5-Band 60-40 Windward/Leeward Med746.90.8033
5-Band 60-40 Windward/Leeward M/H681.80.8801
5-Band 60-40 Windward/Leeward High652.90.9190
Triple Number 50-50 Windward/Leeward Low1063.60.5641
Triple Number 50-50 Windward/Leeward Med744.20.8063
Triple Number 50-50 Windward/Leeward High649.60.9236
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward766.50.7827
Triple Number 60-40 Windward/Leeward Low1074.00.5587
Triple Number 60-40 Windward/Leeward Med759.60.7899
Triple Number 60-40 Windward/Leeward High673.60.8907
Triple Number All-Purpose Low851.10.7050
Triple Number All-Purpose Med627.30.9565
Triple Number All-Purpose High555.11.0809
Triple Number Predominant Upwind Low874.50.6861
Triple Number Predominant Upwind Med655.00.9160
Triple Number Predominant Upwind High604.80.9921
Triple Number Predominant Reaching Low762.60.7868
Triple Number Predominant Reaching Med585.11.0254
Triple Number Predominant Reaching High501.11.1973
Triple Number Predominant Downwind Low843.50.7113
Triple Number Predominant Downwind Med606.00.9901
Triple Number Predominant Downwind High502.51.1941
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.00.9036
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.00.9036
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low783.2
Triple Number Coastal/Long Distance Medium607.5
Triple Number Coastal/Long Distance High538.8
Triple Number Windward/Leeward Low1014.0
Triple Number Windward/Leeward Medium744.0
Triple Number Windward/Leeward High649.6
Predominantly Upwind665.5
Predominantly Downwind615.5
Predominantly Reaching591.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.00.9036
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7661
Triple Number Coastal/Long Distance Medium0.9877
Triple Number Coastal/Long Distance High1.1135
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8064
Triple Number Windward/Leeward High0.9236
Coastal/Long Distance0.9036
Predominantly Upwind0.9016
Predominantly Downwind0.9748
For information
General Purpose Handicap (GPH)685.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9831
Distanseseilas Trippeltall svak vind0.7661
Distanseseilas Trippeltall mellomvind0.9877
Distanseseilas Trippeltall sterk vind1.1135
Pølsebane Trippeltall svak vind0.5917
Pølsebane Trippeltall mellomvind0.8064
Pølsebane Trippeltall sterk vind0.9236
Motvind Singeltall0.9016
Medvind Singeltall0.9748
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Coastal/Long Distance664.00.9036
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind665.50.9016
Predominantly Downwind615.50.9748
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore601.10.9982
Cape Doctor Coastal495.31.2114
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7661
Triple Number Coastal/Long Distance Medium0.9877
Triple Number Coastal/Long Distance High1.1135
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8064
Triple Number Windward/Leeward High0.9236
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7661
Triple Number Coastal/Long Distance Medium0.9877
Triple Number Coastal/Long Distance High1.1135
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8064
Triple Number Windward/Leeward High0.9236
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.00.9036
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Predominantly Upwind665.50.9016
Predominantly Downwind615.50.9748
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.00.9036
Triple Number Coastal/Long Distance Low783.20.7661
Triple Number Coastal/Long Distance Medium607.50.9877
Triple Number Coastal/Long Distance High538.81.1135
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium744.00.8064
Triple Number Windward/Leeward High649.60.9236
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1624.01120.2848.5709.0628.6586.3550.4487.9460.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP634.60.9454 Predom. Dn High474.61.2641 5B AP M/H547.51.0960 TriNum AP Low783.20.7661 Predom. Rc Low837.30.7166 5B AP High515.11.1649 TriNum AP Med607.50.9876 Predom. Rc L/M641.40.9355 5B SF Bay Low1005.40.5968 TriNum AP High538.81.1135 Predom. Rc Med567.61.0571 5B SF Bay L/M825.90.7265 TriNum W/L Low1063.60.5641 Predom. Rc M/H520.01.1538 5B SF Bay Med707.40.8482 TriNum W/L Med744.00.8064 Predom. Rc High483.01.2423 5B SF Bay M/H642.60.9338 TriNum W/L Hig649.60.9236 5B W/L Low1195.60.5018 5B SF Bay High607.30.9879 Predom. Upwind694.30.8642 5B W/L L/M865.70.6931 ChiMac Up Low843.70.7111 Predom. Reaching604.70.9921 5B W/L Med730.60.8213 ChiMac Up Med759.70.7898 Predom. Downwind641.60.9352 5B W/L M/H659.20.9102 ChiMac Up High662.30.9060 Predom. Up Low964.00.6224 5B W/L High623.90.9618 ChiMac Off Low811.90.7390 Predom. Up L/M729.20.8228 W/L 60-40 Low1205.70.4976 ChiMac Off Med716.40.8376 Predom. Up Med644.20.9313 W/L 60-40 L/M877.70.6836 ChiMac Off High600.10.9998 Predom. Up M/H603.10.9949 W/L 60-40 Med746.90.8033 ChiMac AP Low822.80.7292 Predom. Up High582.81.0296 W/L 60-40 M/H681.80.8801 ChiMac AP Med734.50.8169 Predom. Dn Low943.90.6356 W/L 60-40 High652.90.9190 ChiMac AP High629.20.9536 Predom. Dn L/M697.00.8608 5B AP Low867.80.6914 BayMac Cove Island949.50.6319 Predom. Dn Med595.41.0078 5B AP L/M685.70.8750 BayMac Shore941.30.6374 Predom. Dn M/H527.21.1381 5B AP Med598.81.0020 Harvest Moon530.41.1312      SA/DSPL Up23.22SA/DSPL Dn44.60
ORC Ref  04620004LAE Issued on 14/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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 L7.432LSM07.045Accomod. length8.428Sink (kg/mm) 10.47
VCGD0.050VCGM0.040 RM Rated (kg·m) 36.7Limit of positive stability(°) 105.1 Stability Index 99.9 BLR index 0.0000Default crew weight418 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  04620004LAE Issued on 14/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club 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  04620004LAE Issued on 14/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org