Double HandedClub Certificate2026
KaitaiaNED 8981
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 Angles47.3°44.1°42.1°41.4°41.3°41.2°41.4°42.6°45.9°
Beat VMG2.072.943.543.934.154.234.254.143.84
52°3.284.515.305.816.096.226.266.215.99
60°3.554.765.546.026.286.426.486.486.39
75°3.744.935.736.206.476.646.766.856.86
90°3.634.865.726.256.526.736.917.187.35
110°3.594.975.936.466.787.037.207.467.48
120°3.474.845.836.436.797.097.397.818.08
135°3.074.425.446.196.636.977.318.008.68
150°2.573.804.835.696.306.687.017.698.41
Run VMG2.233.294.194.955.626.126.507.107.73
Gybe Angles143.8°147.6°151.4°154.3°161.2°167.5°175.4°177.2°175.9°
APH ToD:644.5CDL: 6.853APH ToT: 0.9310CertNo:
BOAT
ClassWaarschip 900 plusDesignerKremerBuilderWaarschip BVAge date01/1991Series date01/1987Offset filehc_02502v2.offData fileNED8981
HULL
Length Overall9.069 mMaximum Beam3.270 mDraft1.513 mDisplacement3,710 kgDLR7.9776IMS DivisionCruiser/RacerDynamic Allowance0.400%Age Allowance0.650%RS Assessment-0.152%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.300m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.5218.94Headsail Luffed26.5826.58Headsail FlyingSymmetric62.8362.83Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.43Storm Jib6.79Heavy Weather Jib18.33
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 59.6 kg·m Stability Index 119.9
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  04310004KBW Issued on 04/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
KaitaiaNED 8981
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 VMG1738.91224.51017.8917.0867.3850.2846.1870.5936.5
52°1096.7798.5679.4619.3591.3579.0575.1580.0601.4
60°1014.2757.0649.8597.6572.9560.4555.4555.6563.3
75°963.1730.1628.5580.8556.7542.4532.7525.4524.5
90°992.8740.9629.9575.6552.5535.0521.3501.1490.1
110°1002.4723.8606.9557.2531.3512.0499.9482.3481.2
120°1037.1744.0617.1560.2530.6507.5487.5461.0445.8
135°1171.2815.0661.9581.3542.9516.4492.3449.8414.8
150°1399.2947.4745.3632.7571.3538.7513.9468.3428.1
Run VMG1615.61093.9859.5726.6641.1588.2553.7506.7465.9
Selected Courses
Windward / Leeward1677.31159.2938.7821.8754.2719.2699.9688.6701.2
All purpose1268.7898.9742.1662.7620.8598.0583.9570.8574.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward790.70.7588
All purpose644.50.9310
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6370
Downwind "popa"0.8451
70% up, 30% down "Ilhabela"0.6878
30% up, 70% down "Ilhabela-inverso"0.7697
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Predominantly Upwind705.80.8502
Predominantly Downwind640.60.9367
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP671.50.8935 Predom. Rc High533.11.1255 5B SF Bay L/M865.00.6937 TriNum AP Low820.50.7313 Predom. Dn Low980.70.6118 5B SF Bay Med748.70.8014 TriNum AP Med639.30.9386 Predom. Dn L/M722.40.8306 5B SF Bay M/H692.80.8661 TriNum AP High582.51.0300 Predom. Dn Med617.80.9712 5B SF Bay High682.30.8793 TriNum W/L Low1100.10.5454 Predom. Dn M/H556.91.0775 5B AP Low906.90.6616 TriNum W/L Med783.40.7659 Predom. Dn High525.61.1415 5B AP L/M719.30.8341 TriNum W/L Hig700.50.8565 ChiMac Up Low887.00.6764 5B AP Med631.00.9509 Predom. Upwind737.70.8134 ChiMac Up Med803.00.7472 5B AP M/H587.21.0218 Predom. Reaching640.90.9362 ChiMac Up High709.00.8463 5B AP High573.61.0460 Predom. Downwind670.90.8943 ChiMac Off Low842.10.7125 5B W/L Low1233.60.4864 Predom. Up Low1008.10.5952 ChiMac Off Med744.40.8061 5B W/L L/M902.70.6647 Predom. Up L/M770.10.7792 ChiMac Off High630.20.9521 5B W/L Med770.50.7787 Predom. Up Med683.40.8780 ChiMac AP Low861.00.6969 5B W/L M/H705.80.8501 Predom. Up M/H646.80.9276 ChiMac AP Med771.10.7781 5B W/L High692.70.8661 Predom. Up High644.70.9307 ChiMac AP High668.00.8983 W/L 60-40 Low1247.20.4811 Predom. Rc Low886.50.6768 BayMac Cove Island990.40.6058 W/L 60-40 L/M920.30.6520 Predom. Rc L/M676.50.8870 BayMac Shore983.40.6102 W/L 60-40 Med793.10.7565 Predom. Rc Med597.11.0049 Harvest Moon562.51.0667 W/L 60-40 M/H735.20.8161 Predom. Rc M/H553.81.0834 5B SF Bay Low1044.40.5745 W/L 60-40 High729.70.8222      SA/DSPL Up18.74SA/DSPL Dn33.80
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance699.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating699.30.8580
FinRating, kevyt tuuli1214.80.8232
FinRating, kova tuuli577.20.8662
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8580
Triple Number Coastal/Long Distance Low0.7313
Triple Number Coastal/Long Distance Medium0.9387
Triple Number Coastal/Long Distance High1.0300
Triple Number Windward/Leeward Low0.5720
Triple Number Windward/Leeward Medium0.7659
Triple Number Windward/Leeward High0.8565
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
For information
General Purpose Handicap (GPH)721.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Saronikos S All Purpose739.60.8112
Saronikos S Upwind845.00.7101
Saronikos S Downwind607.40.9878
Saronikos N All Purpose781.90.7674
Saronikos N Upwind887.90.6757
Saronikos N Downwind662.70.9054
Saronikos SW All Purpose744.90.8055
Saronikos SW Upwind864.60.6940
Saronikos SW Downwind620.40.9671
Saronikos NE All Purpose804.70.7456
Saronikos NE Upwind828.30.7244
Saronikos NE Downwind747.70.8025
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose671.50.8935
5-Band All Purpose Low990.50.6058
5-Band All Purpose L/M744.50.8059
5-Band All Purpose Med649.70.9235
5-Band All Purpose M/H601.20.9980
5-Band All Purpose High584.41.0266
Single Number Predominant Upwind704.50.8517
Single Number Predominant Reaching615.40.9750
Single Number Predominant Downwind641.30.9356
5-Band 50-50 Windward/Leeward Low1233.60.4864
5-Band 50-50 Windward/Leeward L/M902.70.6647
5-Band 50-50 Windward/Leeward Med770.50.7787
5-Band 50-50 Windward/Leeward M/H705.80.8501
5-Band 50-50 Windward/Leeward High692.70.8661
5-Band 60-40 Windward/Leeward Low1247.20.4811
5-Band 60-40 Windward/Leeward L/M920.30.6520
5-Band 60-40 Windward/Leeward Med793.10.7565
5-Band 60-40 Windward/Leeward M/H735.20.8161
5-Band 60-40 Windward/Leeward High729.70.8222
Triple Number 50-50 Windward/Leeward Low1100.10.5454
Triple Number 50-50 Windward/Leeward Med783.50.7658
Triple Number 50-50 Windward/Leeward High700.50.8565
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward813.50.7375
Triple Number 60-40 Windward/Leeward Low1114.60.5383
Triple Number 60-40 Windward/Leeward Med805.20.7451
Triple Number 60-40 Windward/Leeward High731.60.8201
Triple Number All-Purpose Low890.70.6737
Triple Number All-Purpose Med658.70.9110
Triple Number All-Purpose High595.71.0072
Triple Number Predominant Upwind Low917.60.6538
Triple Number Predominant Upwind Med694.00.8645
Triple Number Predominant Upwind High653.40.9182
Triple Number Predominant Reaching Low806.20.7442
Triple Number Predominant Reaching Med615.00.9756
Triple Number Predominant Reaching High537.31.1167
Triple Number Predominant Downwind Low876.50.6846
Triple Number Predominant Downwind Med626.80.9573
Triple Number Predominant Downwind High534.11.1234
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low820.5
Triple Number Coastal/Long Distance Medium639.2
Triple Number Coastal/Long Distance High582.5
Triple Number Windward/Leeward Low1049.0
Triple Number Windward/Leeward Medium783.4
Triple Number Windward/Leeward High700.5
Predominantly Upwind705.8
Predominantly Downwind640.6
Predominantly Reaching621.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7313
Triple Number Coastal/Long Distance Medium0.9387
Triple Number Coastal/Long Distance High1.0300
Triple Number Windward/Leeward Low0.5720
Triple Number Windward/Leeward Medium0.7659
Triple Number Windward/Leeward High0.8565
Coastal/Long Distance0.8580
Predominantly Upwind0.8502
Predominantly Downwind0.9367
For information
General Purpose Handicap (GPH)721.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9310
Distanseseilas Trippeltall svak vind0.7313
Distanseseilas Trippeltall mellomvind0.9387
Distanseseilas Trippeltall sterk vind1.0300
Pølsebane Trippeltall svak vind0.5720
Pølsebane Trippeltall mellomvind0.7659
Pølsebane Trippeltall sterk vind0.8565
Motvind Singeltall0.8502
Medvind Singeltall0.9367
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Coastal/Long Distance699.30.8580
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind705.80.8502
Predominantly Downwind640.60.9367
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore697.40.8603
Cape Doctor Coastal573.11.0470
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7313
Triple Number Coastal/Long Distance Medium0.9387
Triple Number Coastal/Long Distance High1.0300
Triple Number Windward/Leeward Low0.5720
Triple Number Windward/Leeward Medium0.7659
Triple Number Windward/Leeward High0.8565
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7313
Triple Number Coastal/Long Distance Medium0.9387
Triple Number Coastal/Long Distance High1.0300
Triple Number Windward/Leeward Low0.5720
Triple Number Windward/Leeward Medium0.7659
Triple Number Windward/Leeward High0.8565
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Predominantly Upwind705.80.8502
Predominantly Downwind640.60.9367
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance699.30.8580
Triple Number Coastal/Long Distance Low820.50.7313
Triple Number Coastal/Long Distance Medium639.20.9387
Triple Number Coastal/Long Distance High582.51.0300
Triple Number Windward/Leeward Low1049.00.5720
Triple Number Windward/Leeward Medium783.40.7659
Triple Number Windward/Leeward High700.50.8565
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1671.11152.7883.0743.0662.8620.6588.4538.9533.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP671.50.8935 Predom. Dn High525.61.1415 5B AP M/H587.21.0218 TriNum AP Low820.50.7313 Predom. Rc Low886.50.6768 5B AP High573.61.0460 TriNum AP Med639.30.9386 Predom. Rc L/M676.50.8870 5B SF Bay Low1044.40.5745 TriNum AP High582.51.0300 Predom. Rc Med597.11.0049 5B SF Bay L/M865.00.6937 TriNum W/L Low1100.10.5454 Predom. Rc M/H553.81.0834 5B SF Bay Med748.70.8014 TriNum W/L Med783.40.7659 Predom. Rc High533.11.1255 5B SF Bay M/H692.80.8661 TriNum W/L Hig700.50.8565 5B W/L Low1233.60.4864 5B SF Bay High682.30.8793 Predom. Upwind737.70.8134 5B W/L L/M902.70.6647 ChiMac Up Low887.00.6764 Predom. Reaching640.90.9362 5B W/L Med770.50.7787 ChiMac Up Med803.00.7472 Predom. Downwind670.90.8943 5B W/L M/H705.80.8501 ChiMac Up High709.00.8463 Predom. Up Low1008.10.5952 5B W/L High692.70.8661 ChiMac Off Low842.10.7125 Predom. Up L/M770.10.7792 W/L 60-40 Low1247.20.4811 ChiMac Off Med744.40.8061 Predom. Up Med683.40.8780 W/L 60-40 L/M920.30.6520 ChiMac Off High630.20.9521 Predom. Up M/H646.80.9276 W/L 60-40 Med793.10.7565 ChiMac AP Low861.00.6969 Predom. Up High644.70.9307 W/L 60-40 M/H735.20.8161 ChiMac AP Med771.10.7781 Predom. Dn Low980.70.6118 W/L 60-40 High729.70.8222 ChiMac AP High668.00.8983 Predom. Dn L/M722.40.8306 5B AP Low906.90.6616 BayMac Cove Island990.40.6058 Predom. Dn Med617.80.9712 5B AP L/M719.30.8341 BayMac Shore983.40.6102 Predom. Dn M/H556.91.0775 5B AP Med631.00.9509 Harvest Moon562.51.0667      SA/DSPL Up18.74SA/DSPL Dn33.80
ORC Ref  04310004KBW Issued on 04/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
KaitaiaNED 8981
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassWaarschip 900 plusMeasurement08/04/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.069Maximum beam3.270Draft1.513Displacement3,710Wetted area17.82IMS L7.777LSM07.747Accomod. length9.069Sink (kg/mm) 13.09
VCGD0.011VCGM0.034 RM Rated (kg·m) 59.6Limit of positive stability(°) 122.7 Stability Index 119.9 BLR index 0.0000Default crew weight170 Declared crew weight 0
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0012
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P10.000IG11.650ISP11.650MDT10.106MDL10.196MDT2MDL2TLNo TaperMWGO
E3.100J3.760BAS1.250FSD0.030SFJ0.000SPL4.040WPLTPSBDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/04/2025Measurer65
SFFP0.826FFM1.260FF1.271LCFcl5.291SG1.0000
SAFP8.902FAM0.970FA0.977LCFsh5.532HBI1.114
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel6186.50Total deductible76.50
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Deck GearDeckgear124.00Total deductible124.00
ORC Ref  04310004KBW Issued on 04/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
KaitaiaNED 8981
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.140.651.161.992.6418.5231/01/2019* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.050.611.172.333.574.8611.14NoNo 26.5831/01/2019* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment112.1012.0812.096.276.1062.8331/01/2019
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.1 mTable area0.44 m²Headroom1.63 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity62 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity32 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04310004KBW Issued on 04/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org