Double HandedClub Certificate2025
WAVEGUIDERSA 4860
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 Angles42.3°42.3°40.2°38.7°37.9°37.7°37.7°38.2°40.6°
Beat VMG2.363.233.884.284.444.514.554.534.33
52°3.644.855.656.076.246.326.376.406.31
60°3.865.075.826.216.406.496.556.596.56
75°4.005.225.946.336.576.736.846.977.00
90°3.855.135.986.386.616.857.067.337.48
110°3.895.216.106.556.887.127.297.547.82
120°3.745.065.996.506.887.247.578.038.35
135°3.294.585.606.256.677.077.478.5610.34
150°2.733.924.975.806.346.727.107.979.76
Run VMG2.373.394.305.075.696.176.557.248.45
Gybe Angles146.6°146.6°151.0°155.4°163.3°170.0°176.3°176.3°146.5°
APH ToD:620.9CDL: 7.104APH ToT: 0.9664CertNo:ZAD267
BOAT
ClassLADD 27DesignerROBERT LADDBuilderAge date01/1988Series date01/1986Offset file27LAD.OFFData fileRSA4860
HULL
Length Overall8.235 mMaximum Beam2.864 mDraft1.624 mDisplacement2,412 kgDLR6.1716IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.9321.25Headsail Luffed19.6519.65Headsail FlyingSymmetric54.1854.18Asymmetric
STORM SAIL AREAS (m²)
Trysail6.37Storm Jib6.62Heavy Weather Jib17.87
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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.
Double HandedClub Certificate2025
WAVEGUIDERSA 4860
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 VMG1523.51115.0928.3841.1811.2798.7791.9794.8830.6
52°988.6742.3637.2593.2576.8570.0565.3562.7570.4
60°933.0709.8618.2579.5562.5554.8549.6546.1548.4
75°899.9689.8605.7569.1548.0534.6526.3516.7514.1
90°935.5701.2602.3564.6544.6525.3510.2491.3481.3
110°925.2690.6590.4549.7523.2505.6493.5477.8460.4
120°962.4711.1600.9554.2523.2497.5475.8448.3431.4
135°1093.8785.7642.6575.7539.3509.5482.1420.6348.0
150°1317.6919.2725.0620.9568.0535.4507.0452.0368.9
Run VMG1521.51061.4836.6710.2632.1583.1549.6497.2426.0
Selected Courses
Windward / Leeward1521.11088.2882.4775.6721.7690.9670.8646.0628.3
All purpose1158.7846.6704.1636.3602.5581.5566.2544.2526.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward751.80.7980
All purpose620.90.9664
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6907
Downwind "popa"0.8624
70% up, 30% down "Ilhabela"0.7346
30% up, 70% down "Ilhabela-inverso"0.8025
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Predominantly Upwind672.80.8918
Predominantly Downwind622.90.9633
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low775.40.7738
Triple Number AP Medium617.10.9724
Triple Number AP High561.81.0681
Triple Number Windward/Leeward Low1028.30.5835
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Single Number Predominant Upwind698.30.8592
Single Number Predominant Reaching617.70.9713
Single Number Predominant Downwind648.10.9257
Predominant Upwind - Low929.80.6453
Predominant Upwind - Low/Med725.70.8268
Predominant Upwind - Medium654.70.9165
Predominant Upwind - Med/High621.20.9659
Predominant Upwind - High607.60.9875
Predominant Downwind Low929.10.6458
Predominant Downwind Low/Med697.80.8598
Predominant Downwind Medium603.90.9936
Predominant Downwind Med/High543.51.1040
Predominant Downwind High500.51.1988
Predominant Reaching Low834.10.7193
Predominant Reaching Low/Med650.40.9226
Predominant Reaching Medium582.41.0302
Predominant Reaching Med/High539.31.1125
Predominant Reaching High509.71.1772
SA/DSPL Upwind22.50SA/DSPL Downwind41.64
Scoring OptionTODTOT
5-Band Windward/Leeward Low1145.30.5239
5-Band Windward/Leeward Low/Med851.30.7048
5-Band Windward/Leeward Medium734.60.8168
5-Band Windward/Leeward Med/High674.30.8898
5-Band Windward/Leeward High647.20.9270
Windward/Leeward 60-40 Low1150.30.5216
Windward/Leeward 60-40 Low/Med862.60.6956
Windward/Leeward 60-40 Medium752.10.7978
Windward/Leeward 60-40 Med/High698.50.8590
Windward/Leeward 60-40 High677.90.8851
5-Band AP Low853.50.7030
5-Band AP Low/Med686.20.8744
5-Band AP Medium610.00.9836
5-Band AP Med/High568.11.0561
5-Band AP High544.91.1010
5-Band SF Bay Tour - Low991.30.6053
5-Band SF Bay Tour - Low/Med817.50.7340
5-Band SF Bay Tour - Medium713.70.8407
5-Band SF Bay Tour - Med/High660.60.9083
5-Band SF Bay Tour - High635.00.9449
Chicago-Mac Upwind0.8372
Chicago-Mac All Purpose0.8675
Chicago-Mac Downwind0.8946
Bayview-Mac Cove Island0.6480
Bayview-Mac Shore0.6523
Harvest Moon Regatta543.11.1048
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance671.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8936
Triple Number Coastal/Long Distance Low0.7738
Triple Number Coastal/Long Distance Medium0.9725
Triple Number Coastal/Long Distance High1.0681
Triple Number Windward/Leeward Low0.6090
Triple Number Windward/Leeward Medium0.8050
Triple Number Windward/Leeward High0.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
For information
General Purpose Handicap (GPH)691.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low775.4
Triple Number Coastal/Long Distance Medium617.0
Triple Number Coastal/Long Distance High561.7
Triple Number Windward/Leeward Low985.2
Triple Number Windward/Leeward Medium745.3
Triple Number Windward/Leeward High666.5
Predominantly Upwind672.8
Predominantly Downwind622.9
Predominantly Reaching603.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7738
Triple Number Coastal/Long Distance Medium0.9725
Triple Number Coastal/Long Distance High1.0681
Triple Number Windward/Leeward Low0.6090
Triple Number Windward/Leeward Medium0.8050
Triple Number Windward/Leeward High0.9002
Coastal/Long Distance0.8936
Predominantly Upwind0.8918
Predominantly Downwind0.9633
For information
General Purpose Handicap (GPH)691.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9664
Distanseseilas Trippeltall svak vind0.7738
Distanseseilas Trippeltall mellomvind0.9725
Distanseseilas Trippeltall sterk vind1.0681
Pølsebane Trippeltall svak vind0.6090
Pølsebane Trippeltall mellomvind0.8050
Pølsebane Trippeltall sterk vind0.9002
Motvind Singeltall0.8918
Medvind Singeltall0.9633
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Coastal/Long Distance671.40.8936
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind672.80.8918
Predominantly Downwind622.90.9633
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore633.60.9469
Cape Doctor Coastal531.91.1280
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7738
Triple Number Coastal/Long Distance Medium0.9725
Triple Number Coastal/Long Distance High1.0681
Triple Number Windward/Leeward Low0.6090
Triple Number Windward/Leeward Medium0.8050
Triple Number Windward/Leeward High0.9002
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7738
Triple Number Coastal/Long Distance Medium0.9725
Triple Number Coastal/Long Distance High1.0681
Triple Number Windward/Leeward Low0.6090
Triple Number Windward/Leeward Medium0.8050
Triple Number Windward/Leeward High0.9002
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Predominantly Upwind672.80.8918
Predominantly Downwind622.90.9633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance671.40.8936
Triple Number Coastal/Long Distance Low775.40.7738
Triple Number Coastal/Long Distance Medium617.00.9725
Triple Number Coastal/Long Distance High561.71.0681
Triple Number Windward/Leeward Low985.20.6090
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.11085.5833.3707.5640.7602.7571.0521.2503.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low775.40.7738
Triple Number AP Medium617.10.9724
Triple Number AP High561.81.0681
Triple Number Windward/Leeward Low1028.30.5835
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High666.50.9002
Single Number Predominant Upwind698.30.8592
Single Number Predominant Reaching617.70.9713
Single Number Predominant Downwind648.10.9257
Predominant Upwind - Low929.80.6453
Predominant Upwind - Low/Med725.70.8268
Predominant Upwind - Medium654.70.9165
Predominant Upwind - Med/High621.20.9659
Predominant Upwind - High607.60.9875
Predominant Downwind Low929.10.6458
Predominant Downwind Low/Med697.80.8598
Predominant Downwind Medium603.90.9936
Predominant Downwind Med/High543.51.1040
Predominant Downwind High500.51.1988
Predominant Reaching Low834.10.7193
Predominant Reaching Low/Med650.40.9226
Predominant Reaching Medium582.41.0302
Predominant Reaching Med/High539.31.1125
Predominant Reaching High509.71.1772
SA/DSPL Upwind22.50SA/DSPL Downwind41.64
Scoring OptionTODTOT
5-Band Windward/Leeward Low1145.30.5239
5-Band Windward/Leeward Low/Med851.30.7048
5-Band Windward/Leeward Medium734.60.8168
5-Band Windward/Leeward Med/High674.30.8898
5-Band Windward/Leeward High647.20.9270
Windward/Leeward 60-40 Low1150.30.5216
Windward/Leeward 60-40 Low/Med862.60.6956
Windward/Leeward 60-40 Medium752.10.7978
Windward/Leeward 60-40 Med/High698.50.8590
Windward/Leeward 60-40 High677.90.8851
5-Band AP Low853.50.7030
5-Band AP Low/Med686.20.8744
5-Band AP Medium610.00.9836
5-Band AP Med/High568.11.0561
5-Band AP High544.91.1010
5-Band SF Bay Tour - Low991.30.6053
5-Band SF Bay Tour - Low/Med817.50.7340
5-Band SF Bay Tour - Medium713.70.8407
5-Band SF Bay Tour - Med/High660.60.9083
5-Band SF Bay Tour - High635.00.9449
Chicago-Mac Upwind0.8372
Chicago-Mac All Purpose0.8675
Chicago-Mac Downwind0.8946
Bayview-Mac Cove Island0.6480
Bayview-Mac Shore0.6523
Harvest Moon Regatta543.11.1048
Double HandedClub Certificate2025
WAVEGUIDERSA 4860
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLADD 27Measurement01/11/2024HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.235Max. Beam2.864Draft1.624Displacement2,412Wetted area15.40IMS L7.431LSM07.311Acc. length8.235Sink (kg/mm) 11.87
VCGD0.088VCGM0.057RM Rated (kg·m) 52.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P10.280IG11.420ISP11.350MDT10.086MDL10.136MDT2MDL2TLTaperMW0.136GO0.160
E3.536J3.345BAS1.235FSDNo FoilSFJ0.000SPL3.395WPLTPS0.000BD0.110MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date05/11/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
WAVEGUIDERSA 4860
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.160.711.242.152.9020.9321/10/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ20.070.480.911.702.503.2911.62YesNo 19.6530/01/2025White Mylar
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS211.2811.2811.285.805.6254.1830/01/2025RedS49.519.509.515.735.5745.1315/10/2024YELLOW