Club Certificate2026
Aquavitesse 304NED 304
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 Angles45.7°43.7°41.9°39.9°38.3°37.2°37.5°39.2°41.2°
Beat VMG2.082.993.664.104.424.624.694.744.71
52°3.254.565.445.906.256.606.877.087.17
60°3.484.815.646.076.476.887.257.657.86
75°3.644.965.756.276.697.207.798.759.28
90°3.815.306.126.807.417.818.179.4911.16
110°3.895.406.267.067.998.989.7711.2712.84
120°3.775.266.156.907.838.9110.3212.6614.43
135°3.334.745.746.447.178.119.1913.2916.45
150°2.764.015.055.826.437.047.8510.9314.56
Run VMG2.393.474.385.055.576.106.809.4612.61
Gybe Angles140.3°143.9°148.3°151.6°151.0°147.6°145.2°137.4°141.9°
APH ToD:598.6CDL: 6.486APH ToT: 1.0024CertNo:
BOAT
ClassRS 21DesignerRichardsBuilderRS SailingAge date05/2023Series date07/2018Offset fileRS21.offData fileNED304
HULL
Length Overall6.406 mMaximum Beam2.222 mDraft1.334 mDisplacement649 kgDLR3.4789IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.260%RS Assessment-0.127%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight310 kg(default)Minimum weight180 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail15.4716.04Headsail Luffed8.128.12Headsail FlyingSymmetricAsymmetric39.9939.99 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail4.16Storm Jib2.75Heavy Weather Jib7.42
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 27.5 kg·m Stability Index 139.5
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  04310004N4H Issued on 27/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Aquavitesse 304NED 304
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 VMG1731.11204.4984.4877.2815.3779.2766.8759.6764.9
52°1107.5788.9662.0610.3576.4545.3524.2508.5502.0
60°1034.0749.2638.7593.3556.8523.0496.3470.5457.7
75°989.2726.3626.4574.1538.0499.8462.2411.6387.9
90°944.4678.8588.2529.4486.1460.9440.4379.5322.4
110°925.3666.5574.9510.1450.7401.1368.5319.3280.4
120°954.5684.0585.8521.4459.8404.1348.7284.5249.4
135°1081.8759.9626.9559.1501.9443.9391.6270.9218.8
150°1304.1898.8712.6618.5560.2511.5458.4329.5247.3
Run VMG1505.91037.8822.8712.9646.5590.6529.3380.4285.6
Selected Courses
Windward / Leeward1618.51121.1903.6795.1730.9684.9648.1570.0525.2
All purpose1225.2862.2713.0636.3583.8542.5508.7447.3410.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward755.00.7947
All purpose598.61.0024
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance653.20.9186
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6788
Downwind "popa"0.8898
70% up, 30% down "Ilhabela"0.7308
30% up, 70% down "Ilhabela-inverso"0.8139
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Predominantly Upwind664.70.9026
Predominantly Downwind601.80.9971
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP616.40.9733 Predom. Rc High407.61.4721 5B SF Bay L/M832.80.7205 TriNum AP Low787.60.7618 Predom. Dn Low929.70.6454 5B SF Bay Med712.00.8427 TriNum AP Med601.80.9970 Predom. Dn L/M690.80.8686 5B SF Bay M/H623.40.9625 TriNum AP High494.11.2143 Predom. Dn Med584.21.0271 5B SF Bay High558.81.0737 TriNum W/L Low1062.10.5649 Predom. Dn M/H485.71.2353 5B AP Low869.70.6899 TriNum W/L Med755.20.7945 Predom. Dn High394.91.5192 5B AP L/M688.90.8710 TriNum W/L Hig628.00.9554 ChiMac Up Low856.40.7006 5B AP Med590.11.0167 Predom. Upwind689.80.8698 ChiMac Up Med764.80.7845 5B AP M/H510.41.1756 Predom. Reaching583.61.0282 ChiMac Up High653.50.9181 5B AP High451.51.3288 Predom. Downwind619.60.9684 ChiMac Off Low801.30.7488 5B W/L Low1191.10.5037 Predom. Up Low979.70.6124 ChiMac Off Med701.60.8552 5B W/L L/M871.90.6882 Predom. Up L/M740.70.8100 ChiMac Off High572.51.0481 5B W/L Med741.30.8094 Predom. Up Med644.10.9315 ChiMac AP Low824.20.7280 5B W/L M/H648.00.9259 Predom. Up M/H577.41.0392 ChiMac AP Med729.60.8224 5B W/L High575.81.0421 Predom. Up High536.51.1183 ChiMac AP High610.50.9829 W/L 60-40 Low1209.10.4962 Predom. Rc Low841.80.7128 BayMac Cove Island948.40.6326 W/L 60-40 L/M888.30.6754 Predom. Rc L/M640.60.9366 BayMac Shore941.60.6372 W/L 60-40 Med759.00.7906 Predom. Rc Med551.41.0881 Harvest Moon490.31.2238 W/L 60-40 M/H672.70.8919 Predom. Rc M/H474.21.2653 5B SF Bay Low1007.40.5956 W/L 60-40 High613.00.9789      SA/DSPL Up31.51SA/DSPL Dn74.06
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance653.20.9186
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance653.20.9186
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance653.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating653.20.9186
FinRating, kevyt tuuli1170.10.8547
FinRating, kova tuuli448.41.1150
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9186
Triple Number Coastal/Long Distance Low0.7618
Triple Number Coastal/Long Distance Medium0.9971
Triple Number Coastal/Long Distance High1.2143
Triple Number Windward/Leeward Low0.5927
Triple Number Windward/Leeward Medium0.7945
Triple Number Windward/Leeward High0.9554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
For information
General Purpose Handicap (GPH)676.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance653.20.9186
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Saronikos S All Purpose687.90.8722
Saronikos S Upwind810.50.7403
Saronikos S Downwind534.51.1226
Saronikos N All Purpose730.30.8215
Saronikos N Upwind843.00.7118
Saronikos N Downwind615.70.9744
Saronikos SW All Purpose688.60.8714
Saronikos SW Upwind833.50.7199
Saronikos SW Downwind543.51.1040
Saronikos NE All Purpose750.40.7996
Saronikos NE Upwind784.60.7647
Saronikos NE Downwind686.90.8735
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose616.40.9733
5-Band All Purpose Low949.70.6318
5-Band All Purpose L/M712.70.8419
5-Band All Purpose Med611.80.9807
5-Band All Purpose M/H530.41.1311
5-Band All Purpose High464.91.2906
Single Number Predominant Upwind663.60.9042
Single Number Predominant Reaching567.71.0568
Single Number Predominant Downwind602.80.9953
5-Band 50-50 Windward/Leeward Low1191.10.5037
5-Band 50-50 Windward/Leeward L/M871.90.6882
5-Band 50-50 Windward/Leeward Med741.30.8094
5-Band 50-50 Windward/Leeward M/H648.00.9259
5-Band 50-50 Windward/Leeward High575.81.0421
5-Band 60-40 Windward/Leeward Low1209.10.4962
5-Band 60-40 Windward/Leeward L/M888.30.6754
5-Band 60-40 Windward/Leeward Med759.00.7906
5-Band 60-40 Windward/Leeward M/H672.70.8919
5-Band 60-40 Windward/Leeward High613.00.9789
Triple Number 50-50 Windward/Leeward Low1062.10.5649
Triple Number 50-50 Windward/Leeward Med755.30.7944
Triple Number 50-50 Windward/Leeward High628.00.9554
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward773.80.7754
Triple Number 60-40 Windward/Leeward Low1079.20.5560
Triple Number 60-40 Windward/Leeward Med772.40.7768
Triple Number 60-40 Windward/Leeward High655.80.9149
Triple Number All-Purpose Low853.40.7031
Triple Number All-Purpose Med623.50.9624
Triple Number All-Purpose High512.31.1711
Triple Number Predominant Upwind Low887.70.6759
Triple Number Predominant Upwind Med658.30.9115
Triple Number Predominant Upwind High574.91.0436
Triple Number Predominant Reaching Low766.20.7831
Triple Number Predominant Reaching Med574.81.0438
Triple Number Predominant Reaching High444.31.3504
Triple Number Predominant Downwind Low833.30.7200
Triple Number Predominant Downwind Med596.81.0054
Triple Number Predominant Downwind High447.21.3416
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance653.20.9186
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance653.20.9186
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low787.6
Triple Number Coastal/Long Distance Medium601.7
Triple Number Coastal/Long Distance High494.1
Triple Number Windward/Leeward Low1012.3
Triple Number Windward/Leeward Medium755.2
Triple Number Windward/Leeward High628.0
Predominantly Upwind664.7
Predominantly Downwind601.8
Predominantly Reaching574.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance653.20.9186
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7618
Triple Number Coastal/Long Distance Medium0.9971
Triple Number Coastal/Long Distance High1.2143
Triple Number Windward/Leeward Low0.5927
Triple Number Windward/Leeward Medium0.7945
Triple Number Windward/Leeward High0.9554
Coastal/Long Distance0.9186
Predominantly Upwind0.9026
Predominantly Downwind0.9971
For information
General Purpose Handicap (GPH)676.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0024
Distanseseilas Trippeltall svak vind0.7618
Distanseseilas Trippeltall mellomvind0.9971
Distanseseilas Trippeltall sterk vind1.2143
Pølsebane Trippeltall svak vind0.5927
Pølsebane Trippeltall mellomvind0.7945
Pølsebane Trippeltall sterk vind0.9554
Motvind Singeltall0.9026
Medvind Singeltall0.9971
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Coastal/Long Distance653.20.9186
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind664.70.9026
Predominantly Downwind601.80.9971
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore538.61.1139
Cape Doctor Coastal421.51.4235
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7618
Triple Number Coastal/Long Distance Medium0.9971
Triple Number Coastal/Long Distance High1.2143
Triple Number Windward/Leeward Low0.5927
Triple Number Windward/Leeward Medium0.7945
Triple Number Windward/Leeward High0.9554
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7618
Triple Number Coastal/Long Distance Medium0.9971
Triple Number Coastal/Long Distance High1.2143
Triple Number Windward/Leeward Low0.5927
Triple Number Windward/Leeward Medium0.7945
Triple Number Windward/Leeward High0.9554
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance653.20.9186
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Predominantly Upwind664.70.9026
Predominantly Downwind601.80.9971
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance653.20.9186
Triple Number Coastal/Long Distance Low787.60.7618
Triple Number Coastal/Long Distance Medium601.70.9971
Triple Number Coastal/Long Distance High494.11.2143
Triple Number Windward/Leeward Low1012.30.5927
Triple Number Windward/Leeward Medium755.20.7945
Triple Number Windward/Leeward High628.00.9554
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1607.21112.8849.2716.1626.7565.2510.1411.6371.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP616.40.9733 Predom. Dn High394.91.5192 5B AP M/H510.41.1756 TriNum AP Low787.60.7618 Predom. Rc Low841.80.7128 5B AP High451.51.3288 TriNum AP Med601.80.9970 Predom. Rc L/M640.60.9366 5B SF Bay Low1007.40.5956 TriNum AP High494.11.2143 Predom. Rc Med551.41.0881 5B SF Bay L/M832.80.7205 TriNum W/L Low1062.10.5649 Predom. Rc M/H474.21.2653 5B SF Bay Med712.00.8427 TriNum W/L Med755.20.7945 Predom. Rc High407.61.4721 5B SF Bay M/H623.40.9625 TriNum W/L Hig628.00.9554 5B W/L Low1191.10.5037 5B SF Bay High558.81.0737 Predom. Upwind689.80.8698 5B W/L L/M871.90.6882 ChiMac Up Low856.40.7006 Predom. Reaching583.61.0282 5B W/L Med741.30.8094 ChiMac Up Med764.80.7845 Predom. Downwind619.60.9684 5B W/L M/H648.00.9259 ChiMac Up High653.50.9181 Predom. Up Low979.70.6124 5B W/L High575.81.0421 ChiMac Off Low801.30.7488 Predom. Up L/M740.70.8100 W/L 60-40 Low1209.10.4962 ChiMac Off Med701.60.8552 Predom. Up Med644.10.9315 W/L 60-40 L/M888.30.6754 ChiMac Off High572.51.0481 Predom. Up M/H577.41.0392 W/L 60-40 Med759.00.7906 ChiMac AP Low824.20.7280 Predom. Up High536.51.1183 W/L 60-40 M/H672.70.8919 ChiMac AP Med729.60.8224 Predom. Dn Low929.70.6454 W/L 60-40 High613.00.9789 ChiMac AP High610.50.9829 Predom. Dn L/M690.80.8686 5B AP Low869.70.6899 BayMac Cove Island948.40.6326 Predom. Dn Med584.21.0271 5B AP L/M688.90.8710 BayMac Shore941.60.6372 Predom. Dn M/H485.71.2353 5B AP Med590.11.0167 Harvest Moon490.31.2238      SA/DSPL Up31.51SA/DSPL Dn74.06
ORC Ref  04310004N4H Issued on 27/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Aquavitesse 304NED 304
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassRS 21Measurement26/04/2026HINGB-LDC21212J223Plan reviewHull constructionLightCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall6.406Maximum beam2.222Draft1.334Displacement649Wetted area8.35IMS L6.263LSM05.715Accomod. length6.406Sink (kg/mm) 6.52
VCGD-1.300VCGM-1.272 RM Rated (kg·m) 27.5Limit of positive stability(°) 148.7 Stability Index 139.5 BLR index 0.0000Default crew weight310 Declared crew weight 330
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P7.830IG7.410ISP8.780MDT10.080MDL10.130MDT20.080MDL20.080TL1.440MW0.080GO0.080
E3.030J2.050BAS0.950FSDSFJSPLWPLTPS3.350BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-1.300Flotation Date26/04/2026
SFFP0.311FFM0.631FF0.632LCFcl3.527SG1.0180
SAFP6.406FAM0.570FA0.571LCFsh3.678HBI0.657
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04310004N4H Issued on 27/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Aquavitesse 304NED 304
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.370.871.392.162.6615.47
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.100.380.691.221.732.226.83YesNo 8.12
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment010.208.099.155.215.4096%39.99
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04310004N4H Issued on 27/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org