Double HandedClub Certificate2025
BRIGHT-SIDENED 4855
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 Angles42.6°42.6°40.8°39.6°39.2°39.2°39.2°39.7°41.9°
Beat VMG2.573.564.314.674.844.934.994.994.78
52°3.975.396.386.837.017.117.187.237.16
60°4.225.666.647.097.267.377.447.517.49
75°4.385.856.827.327.567.717.827.978.01
90°4.215.726.797.357.707.978.188.478.62
110°4.125.716.917.588.078.448.719.159.32
120°3.965.526.757.488.028.569.079.8110.37
135°3.454.906.157.087.678.238.8010.2112.10
150°2.814.105.296.347.167.718.249.4711.15
Run VMG2.443.554.585.506.296.927.438.419.69
Gybe Angles144.0°144.0°148.0°151.2°157.0°164.2°168.2°166.0°155.0°
APH ToD:553.1CDL: 9.112APH ToT: 1.0848CertNo:4683
BOAT
ClassF & F 110DesignerJac.de RidderBuilderFF BoatsAge date05/1991Series date05/1991Offset fileFF110-DDK.offData fileNED4855
HULL
Length Overall11.000 mMaximum Beam3.196 mDraft2.114 mDisplacement4,362 kgDLR4.0700IMS DivisionCruiser/RacerDynamic Allowance0.220%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.320m
CREW
Maximum weight160 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail37.2338.08Headsail Luffed29.5129.51Headsail FlyingSymmetric80.2080.20Asymmetric63.1865.13 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail10.99Storm Jib6.97Heavy Weather Jib18.80
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric may be tacked on the pole
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
BRIGHT-SIDENED 4855
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 VMG1401.11011.1835.7770.1743.1730.0722.0721.1753.8
52°905.8667.5564.0527.4513.4506.0501.1497.6503.0
60°854.1635.5541.9507.7495.6488.7483.8479.4480.9
75°821.4615.6527.9492.0475.9467.1460.1451.4449.5
90°855.4629.8530.3489.7467.7451.5440.3424.9417.4
110°873.3630.8521.0475.0446.2426.4413.2393.4386.2
120°909.4651.6533.1481.2448.7420.6396.7366.9347.0
135°1044.7734.3584.9508.3469.1437.6408.9352.7297.4
150°1279.4878.3680.2567.7502.9467.0436.7380.1323.0
Run VMG1478.21014.2785.4655.0572.7520.2484.5428.1371.5
Selected Courses
Windward / Leeward1438.81012.6810.6712.6657.9625.1603.2574.6562.6
All purpose1087.0778.3635.1569.9535.2513.5497.4474.4462.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward685.70.8751
All purpose553.11.0848
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.20.9964
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7591
Downwind "popa"0.9417
70% up, 30% down "Ilhabela"0.8060
30% up, 70% down "Ilhabela-inverso"0.8783
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Predominantly Upwind602.90.9952
Predominantly Downwind556.81.0777
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low706.70.8491
TriNum AP Med549.71.0915
TriNum AP High492.81.2175
TriNum W/L Low954.60.6285
TriNum W/L Med680.70.8815
TriNum W/L Hig598.01.0034
Predom. Upwind627.80.9557
Predom. Reaching548.61.0938
Predom. Downwind582.71.0297
Predom. Up Low849.40.7064
Predom. Up L/M653.40.9183
Predom. Up Med586.41.0232
Predom. Up M/H553.21.0846
Predom. Up High539.31.1125
Predom. Dn Low868.20.6911
Predom. Dn L/M634.40.9458
Predom. Dn Med537.41.1165
Predom. Dn M/H475.01.2631
Predom. Dn High434.01.3826
Predom. Rc Low765.40.7839
Predom. Rc L/M581.61.0316
Predom. Rc Med512.51.1708
Predom. Rc M/H470.01.2765
Predom. Rc High443.01.3543
SA/DSPL Upwind24.88SA/DSPL Downwind43.77
Scoring OptionTODTOT
5B W/L Low1068.90.5613
5B W/L L/M783.20.7661
5B W/L Med669.70.8960
5B W/L M/H606.70.9890
5B W/L High577.51.0390
W/L 60-40 Low1068.00.5618
W/L 60-40 L/M791.50.7580
W/L 60-40 Med686.00.8746
W/L 60-40 M/H630.40.9518
W/L 60-40 High607.40.9879
5B AP Low786.60.7627
5B AP L/M618.40.9702
5B AP Med542.51.1060
5B AP M/H499.41.2014
5B AP High476.41.2594
5B SF Bay Low916.20.6549
5B SF Bay L/M748.20.8019
5B SF Bay Med647.00.9273
5B SF Bay M/H591.51.0144
5B SF Bay High564.61.0628
Chicago-Mac Upwind0.9296
Chicago-Mac All Purpose0.9626
Chicago-Mac Downwind0.9901
BayMac Cove Island854.90.7018
BayMac Shore848.00.7075
Harvest Moon470.91.2740
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.20.9964
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.20.9964
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance602.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating602.20.9964
FinRating, kevyt tuuli1051.90.9507
FinRating, kova tuuli478.21.0455
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9964
Triple Number Coastal/Long Distance Low0.8491
Triple Number Coastal/Long Distance Medium1.0916
Triple Number Coastal/Long Distance High1.2175
Triple Number Windward/Leeward Low0.6582
Triple Number Windward/Leeward Medium0.8815
Triple Number Windward/Leeward High1.0034
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
For information
General Purpose Handicap (GPH)620.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.20.9964
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.20.9964
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.20.9964
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low706.6
Triple Number Coastal/Long Distance Medium549.7
Triple Number Coastal/Long Distance High492.8
Triple Number Windward/Leeward Low911.6
Triple Number Windward/Leeward Medium680.7
Triple Number Windward/Leeward High598.0
Predominantly Upwind602.9
Predominantly Downwind556.8
Predominantly Reaching534.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.20.9964
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8491
Triple Number Coastal/Long Distance Medium1.0916
Triple Number Coastal/Long Distance High1.2175
Triple Number Windward/Leeward Low0.6582
Triple Number Windward/Leeward Medium0.8815
Triple Number Windward/Leeward High1.0034
Coastal/Long Distance0.9964
Predominantly Upwind0.9952
Predominantly Downwind1.0777
For information
General Purpose Handicap (GPH)620.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0848
Distanseseilas Trippeltall svak vind0.8491
Distanseseilas Trippeltall mellomvind1.0916
Distanseseilas Trippeltall sterk vind1.2175
Pølsebane Trippeltall svak vind0.6582
Pølsebane Trippeltall mellomvind0.8815
Pølsebane Trippeltall sterk vind1.0034
Motvind Singeltall0.9952
Medvind Singeltall1.0777
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Coastal/Long Distance602.20.9964
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind602.90.9952
Predominantly Downwind556.81.0777
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore566.21.0597
Cape Doctor Coastal466.41.2866
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8491
Triple Number Coastal/Long Distance Medium1.0916
Triple Number Coastal/Long Distance High1.2175
Triple Number Windward/Leeward Low0.6582
Triple Number Windward/Leeward Medium0.8815
Triple Number Windward/Leeward High1.0034
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8491
Triple Number Coastal/Long Distance Medium1.0916
Triple Number Coastal/Long Distance High1.2175
Triple Number Windward/Leeward Low0.6582
Triple Number Windward/Leeward Medium0.8815
Triple Number Windward/Leeward High1.0034
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.20.9964
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Predominantly Upwind602.90.9952
Predominantly Downwind556.81.0777
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance602.20.9964
Triple Number Coastal/Long Distance Low706.60.8491
Triple Number Coastal/Long Distance Medium549.71.0916
Triple Number Coastal/Long Distance High492.81.2175
Triple Number Windward/Leeward Low911.60.6582
Triple Number Windward/Leeward Medium680.70.8815
Triple Number Windward/Leeward High598.01.0034
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1535.21012.8762.7642.1572.7533.1500.5449.5435.3
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low706.70.8491
TriNum AP Med549.71.0915
TriNum AP High492.81.2175
TriNum W/L Low954.60.6285
TriNum W/L Med680.70.8815
TriNum W/L Hig598.01.0034
Predom. Upwind627.80.9557
Predom. Reaching548.61.0938
Predom. Downwind582.71.0297
Predom. Up Low849.40.7064
Predom. Up L/M653.40.9183
Predom. Up Med586.41.0232
Predom. Up M/H553.21.0846
Predom. Up High539.31.1125
Predom. Dn Low868.20.6911
Predom. Dn L/M634.40.9458
Predom. Dn Med537.41.1165
Predom. Dn M/H475.01.2631
Predom. Dn High434.01.3826
Predom. Rc Low765.40.7839
Predom. Rc L/M581.61.0316
Predom. Rc Med512.51.1708
Predom. Rc M/H470.01.2765
Predom. Rc High443.01.3543
SA/DSPL Upwind24.88SA/DSPL Downwind43.77
Scoring OptionTODTOT
5B W/L Low1068.90.5613
5B W/L L/M783.20.7661
5B W/L Med669.70.8960
5B W/L M/H606.70.9890
5B W/L High577.51.0390
W/L 60-40 Low1068.00.5618
W/L 60-40 L/M791.50.7580
W/L 60-40 Med686.00.8746
W/L 60-40 M/H630.40.9518
W/L 60-40 High607.40.9879
5B AP Low786.60.7627
5B AP L/M618.40.9702
5B AP Med542.51.1060
5B AP M/H499.41.2014
5B AP High476.41.2594
5B SF Bay Low916.20.6549
5B SF Bay L/M748.20.8019
5B SF Bay Med647.00.9273
5B SF Bay M/H591.51.0144
5B SF Bay High564.61.0628
Chicago-Mac Upwind0.9296
Chicago-Mac All Purpose0.9626
Chicago-Mac Downwind0.9901
BayMac Cove Island854.90.7018
BayMac Shore848.00.7075
Harvest Moon470.91.2740
Double HandedClub Certificate2025
BRIGHT-SIDENED 4855
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassF & F 110Measurement28/02/1992HINPlan reviewHull constructionLightCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.000Max. Beam3.196Draft2.114Displacement4,362Wetted area25.15IMS L10.149LSM010.232Acc. length10.387Sink (kg/mm) 19.27
VCGD0.133VCGM0.106RM Rated (kg·m) 109.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight160
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.320PBW0.098PIPA0.0038
PSD0.025PHD0.064PHL0.110
PSA12.5°ESL1.050
ST10.021ST20.095ST30.092
ST40.045ST50.160
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1Checkstays0Spreaders2Rotating mastNo
P12.915IG11.800ISP13.600MDT10.115MDL10.166MDT20.106MDL20.112TL2.500MW0.166GO0.166
E4.860J3.750BAS1.480FSD0.032SFJ0.285SPL4.050WPLTPS4.250BD0.206MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered109.2Flotation Date16/02/2024
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
1fuel diesel205.000.9000
INVENTORY
IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGA13.75    3.75   
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1fuel diesel0.900020205.00Total deductible185.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Deck Gear503.75Safety equipment3.75Total deductible503.75
Double HandedClub Certificate2025
BRIGHT-SIDENED 4855
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20250.181.031.843.094.0737.23
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20250.050.931.592.713.753.9411.95NoNo 29.51
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment202513.5713.5713.577.186.7480.20
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment202512.9010.5211.716.267.3385%63.18
CRUISER/RACER REQUIREMENTS*
Accommodation length10.4 mTable area0.44 m²Headroom1.73 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity88 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity58 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.