Club Certificate2025
Basse 2NOR 15964
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 Angles42.2°42.2°40.6°38.5°37.1°36.9°36.9°37.1°38.0°
Beat VMG2.172.973.573.984.214.284.334.394.38
52°3.324.455.215.645.956.106.206.376.44
60°3.514.655.385.816.196.416.556.786.91
75°3.644.775.485.986.486.927.177.597.84
90°3.644.845.686.326.797.177.748.509.13
110°3.684.905.766.537.408.188.7910.1211.35
120°3.554.775.646.367.248.209.4111.4212.91
135°3.114.325.275.936.627.498.4312.1214.60
150°2.593.694.645.395.956.537.289.9012.98
Run VMG2.253.204.024.675.165.666.318.5711.24
Gybe Angles145.8°145.8°148.7°151.1°151.4°148.0°146.0°135.0°141.3°
APH ToD:639.5CDL: 5.838APH ToT: 0.9383CertNo:674764
BOAT
ClassSeascape 18DesignerManuardBuilderIssaAge dateSeries date01/2012Offset fileseasc18.od.offData file674764
HULL
Length Overall5.550 mMaximum Beam2.382 mDraft1.500 mDisplacement500 kgDLR2.8691IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.422%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight250 kg(default)Minimum weight130 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail14.0615.21Headsail Luffed9.699.69Headsail FlyingSymmetricAsymmetric35.2927.66 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail3.31Storm Jib2.23Heavy Weather Jib6.01
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
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.
Club Certificate2025
Basse 2NOR 15964
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 VMG1656.51213.61009.7905.0855.4841.0830.8819.2821.4
52°1084.8809.2690.3638.7605.5590.2580.2565.5558.7
60°1025.5774.4669.0619.8581.2561.7549.3531.2520.8
75°989.3755.1657.1602.0555.9520.3501.8474.5459.1
90°990.2743.8633.9569.3530.4501.9465.3423.8394.3
110°978.3734.7625.0551.7486.6439.9409.8355.8317.1
120°1014.4755.5638.7566.1497.1439.0382.4315.2278.8
135°1157.3833.5683.2607.1543.6480.7427.1297.1246.6
150°1388.6975.3775.0667.6605.3551.1494.3363.8277.4
Run VMG1602.91126.2894.9770.1698.3636.3570.8420.0320.3
Selected Courses
Windward / Leeward1628.61169.9952.3837.6776.8738.7700.8619.6570.8
All purpose1242.8910.0756.5674.3621.8585.0552.8492.6458.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward803.10.7471
All purpose639.50.9383
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance696.30.8617
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6487
Downwind "popa"0.8208
70% up, 30% down "Ilhabela"0.6922
30% up, 70% down "Ilhabela-inverso"0.7603
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Predominantly Upwind705.80.8500
Predominantly Downwind647.60.9265
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low833.20.7201
Triple Number AP Medium641.40.9354
Triple Number AP High538.31.1146
Triple Number Windward/Leeward Low1106.50.5423
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Single Number Predominant Upwind729.20.8229
Single Number Predominant Reaching626.40.9578
Single Number Predominant Downwind666.30.9005
Predominant Upwind - Low1004.10.5976
Predominant Upwind - Low/Med776.50.7727
Predominant Upwind - Medium684.40.8766
Predominant Upwind - Med/High626.70.9574
Predominant Upwind - High588.01.0204
Predominant Downwind Low990.00.6060
Predominant Downwind Low/Med742.30.8083
Predominant Downwind Medium628.80.9542
Predominant Downwind Med/High526.71.1392
Predominant Downwind High434.91.3797
Predominant Reaching Low890.70.6736
Predominant Reaching Low/Med685.50.8752
Predominant Reaching Medium592.81.0121
Predominant Reaching Med/High514.01.1673
Predominant Reaching High450.91.3306
SA/DSPL Upwind37.83SA/DSPL Downwind78.56
Scoring OptionTODTOT
5-Band Windward/Leeward Low1230.40.4876
5-Band Windward/Leeward Low/Med918.00.6536
5-Band Windward/Leeward Medium788.80.7606
5-Band Windward/Leeward Med/High699.90.8573
5-Band Windward/Leeward High625.20.9597
Windward/Leeward 60-40 Low1239.00.4842
Windward/Leeward 60-40 Low/Med930.40.6449
Windward/Leeward 60-40 Medium805.50.7449
Windward/Leeward 60-40 Med/High726.40.8260
Windward/Leeward 60-40 High664.50.9030
5-Band AP Low915.20.6556
5-Band AP Low/Med730.20.8217
5-Band AP Medium629.90.9526
5-Band AP Med/High553.91.0833
5-Band AP High497.11.2071
5-Band SF Bay Tour - Low1067.20.5622
5-Band SF Bay Tour - Low/Med878.90.6827
5-Band SF Bay Tour - Medium757.40.7922
5-Band SF Bay Tour - Med/High673.80.8904
5-Band SF Bay Tour - High606.80.9888
Chicago-Mac Upwind0.7955
Chicago-Mac All Purpose0.8300
Chicago-Mac Downwind0.8592
Bayview-Mac Cove Island0.6069
Bayview-Mac Shore0.6112
Harvest Moon Regatta521.21.1513
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance696.30.8617
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance696.30.8617
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance696.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating696.30.8617
FinRating, kevyt tuuli1208.10.8278
FinRating, kova tuuli494.71.0107
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8617
Triple Number Coastal/Long Distance Low0.7201
Triple Number Coastal/Long Distance Medium0.9355
Triple Number Coastal/Long Distance High1.1146
Triple Number Windward/Leeward Low0.5655
Triple Number Windward/Leeward Medium0.7480
Triple Number Windward/Leeward High0.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
For information
General Purpose Handicap (GPH)720.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance696.30.8617
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance696.30.8617
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance696.30.8617
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low833.2
Triple Number Coastal/Long Distance Medium641.4
Triple Number Coastal/Long Distance High538.3
Triple Number Windward/Leeward Low1061.0
Triple Number Windward/Leeward Medium802.1
Triple Number Windward/Leeward High679.8
Predominantly Upwind705.8
Predominantly Downwind647.6
Predominantly Reaching617.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance696.30.8617
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7201
Triple Number Coastal/Long Distance Medium0.9355
Triple Number Coastal/Long Distance High1.1146
Triple Number Windward/Leeward Low0.5655
Triple Number Windward/Leeward Medium0.7480
Triple Number Windward/Leeward High0.8826
Coastal/Long Distance0.8617
Predominantly Upwind0.8500
Predominantly Downwind0.9265
For information
General Purpose Handicap (GPH)720.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9383
Distanseseilas Trippeltall svak vind0.7201
Distanseseilas Trippeltall mellomvind0.9355
Distanseseilas Trippeltall sterk vind1.1146
Pølsebane Trippeltall svak vind0.5655
Pølsebane Trippeltall mellomvind0.7480
Pølsebane Trippeltall sterk vind0.8826
Motvind Singeltall0.8500
Medvind Singeltall0.9265
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Coastal/Long Distance696.30.8617
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind705.80.8500
Predominantly Downwind647.60.9265
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore585.51.0248
Cape Doctor Coastal468.41.2808
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7201
Triple Number Coastal/Long Distance Medium0.9355
Triple Number Coastal/Long Distance High1.1146
Triple Number Windward/Leeward Low0.5655
Triple Number Windward/Leeward Medium0.7480
Triple Number Windward/Leeward High0.8826
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7201
Triple Number Coastal/Long Distance Medium0.9355
Triple Number Coastal/Long Distance High1.1146
Triple Number Windward/Leeward Low0.5655
Triple Number Windward/Leeward Medium0.7480
Triple Number Windward/Leeward High0.8826
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance696.30.8617
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Predominantly Upwind705.80.8500
Predominantly Downwind647.60.9265
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance696.30.8617
Triple Number Coastal/Long Distance Low833.20.7201
Triple Number Coastal/Long Distance Medium641.40.9355
Triple Number Coastal/Long Distance High538.31.1146
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1717.31165.5897.7756.6667.0610.3553.5456.6420.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low833.20.7201
Triple Number AP Medium641.40.9354
Triple Number AP High538.31.1146
Triple Number Windward/Leeward Low1106.50.5423
Triple Number Windward/Leeward Medium802.10.7480
Triple Number Windward/Leeward High679.80.8826
Single Number Predominant Upwind729.20.8229
Single Number Predominant Reaching626.40.9578
Single Number Predominant Downwind666.30.9005
Predominant Upwind - Low1004.10.5976
Predominant Upwind - Low/Med776.50.7727
Predominant Upwind - Medium684.40.8766
Predominant Upwind - Med/High626.70.9574
Predominant Upwind - High588.01.0204
Predominant Downwind Low990.00.6060
Predominant Downwind Low/Med742.30.8083
Predominant Downwind Medium628.80.9542
Predominant Downwind Med/High526.71.1392
Predominant Downwind High434.91.3797
Predominant Reaching Low890.70.6736
Predominant Reaching Low/Med685.50.8752
Predominant Reaching Medium592.81.0121
Predominant Reaching Med/High514.01.1673
Predominant Reaching High450.91.3306
SA/DSPL Upwind37.83SA/DSPL Downwind78.56
Scoring OptionTODTOT
5-Band Windward/Leeward Low1230.40.4876
5-Band Windward/Leeward Low/Med918.00.6536
5-Band Windward/Leeward Medium788.80.7606
5-Band Windward/Leeward Med/High699.90.8573
5-Band Windward/Leeward High625.20.9597
Windward/Leeward 60-40 Low1239.00.4842
Windward/Leeward 60-40 Low/Med930.40.6449
Windward/Leeward 60-40 Medium805.50.7449
Windward/Leeward 60-40 Med/High726.40.8260
Windward/Leeward 60-40 High664.50.9030
5-Band AP Low915.20.6556
5-Band AP Low/Med730.20.8217
5-Band AP Medium629.90.9526
5-Band AP Med/High553.91.0833
5-Band AP High497.11.2071
5-Band SF Bay Tour - Low1067.20.5622
5-Band SF Bay Tour - Low/Med878.90.6827
5-Band SF Bay Tour - Medium757.40.7922
5-Band SF Bay Tour - Med/High673.80.8904
5-Band SF Bay Tour - High606.80.9888
Chicago-Mac Upwind0.7955
Chicago-Mac All Purpose0.8300
Chicago-Mac Downwind0.8592
Bayview-Mac Cove Island0.6069
Bayview-Mac Shore0.6112
Harvest Moon Regatta521.21.1513
Club Certificate2025
Basse 2NOR 15964
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSeascape 18MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA5.550Max. Beam2.382Draft1.500Displacement500Wetted area7.41IMS L5.582LSM05.584Acc. length5.560Sink (kg/mm) 6.32
VCGD0.054VCGM0.055RM Rated (kg·m) 13.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight250Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionFixedInner stayNone FittedMast materialCarbonSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders0Rotating mastNo
P6.650IG6.670ISP6.970MDT10.078MDL10.080MDT20.000MDL20.000TL0.000MW0.000GO0.000
E2.840J2.420BAS1.110FSD0.000SFJ0.000SPL0.000WPLTPS3.700BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/04/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
Basse 2NOR 15964
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1-2020051213361.570.001.852.302.6014.0612/05/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1-2020051213370.000.000.001.300.002.906.75NoNo 9.6912/05/2020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment1-2020051213387.650.007.655.440.00Infinity%35.2912/05/2020
CRUISER/RACER REQUIREMENTS*
Accommodation length5.6 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity-4 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.