International Certificate2026
WahooUSA 52599
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 Angles45.8°43.0°40.7°38.8°37.5°37.1°36.6°36.0°36.7°
Beat VMG3.234.605.576.126.416.606.726.886.87
52°5.077.018.228.769.039.209.329.509.58
60°5.497.418.519.019.309.499.649.869.98
75°5.837.718.719.239.619.9210.1510.5010.73
90°5.687.588.649.209.6710.1210.5111.1511.64
110°5.297.428.749.449.9210.3410.7311.5012.56
120°5.107.258.699.4710.1610.7311.2412.2813.39
135°4.556.598.209.099.8010.5811.4913.6815.39
150°3.775.506.968.158.999.6310.3312.2615.23
Run VMG3.264.766.037.057.848.398.9510.6213.19
Gybe Angles139.2°141.0°142.6°148.3°153.2°153.7°150.5°145.8°147.1°
APH ToD:429.7CDL: 14.398APH ToT: 1.3963CertNo:US6266
BOAT
ClassKER 50DesignerKerBuilderNEW ENGLAND BOATAge date03/2012Series date01/2012Offset fileKer50-USA52599.offData fileUS6266
HULL
Length Overall15.350 mMaximum Beam4.138 mDraft3.142 mDisplacement10,360 kgDLR3.5309IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.455%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.460m
CREW
Maximum weight1,148 kg(default)Minimum weight976 kg ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail83.7185.39Headsail Luffed61.4461.44Headsail FlyingSymmetricAsymmetric236.55236.55 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail24.16Storm Jib20.09Heavy Weather Jib54.23
SAIL LIMITS
Headsails8Spinnakers6
STABILITY
Righting Moment 346.9 kg·m Stability Index 157.5
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  04560004S6F Issued on 04/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
WahooUSA 52599
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 VMG1113.4782.4646.8587.8561.2545.8535.4523.2524.3
52°709.5513.7438.2410.8398.9391.5386.2378.8375.7
60°656.2486.1422.9399.5387.2379.5373.5365.0360.7
75°617.8466.9413.3390.2374.6362.9354.8342.8335.5
90°633.5474.6416.6391.2372.1355.9342.6322.9309.2
110°680.3485.1411.9381.2363.0348.3335.4313.0286.6
120°705.4496.7414.4380.2354.4335.6320.3293.1268.9
135°791.6546.6439.2395.9367.4340.2313.3263.1234.0
150°955.6654.4517.2441.9400.4373.7348.5293.7236.4
Run VMG1103.5755.7597.2510.3459.4429.3402.3339.1273.0
Selected Courses
Windward / Leeward1108.5769.0622.0549.0510.3487.6468.9431.2398.6
All purpose836.3591.4490.4444.2418.4400.8386.0359.0337.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward529.51.1331
All purpose429.71.3963
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance466.91.2852
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"1.0041
Downwind "popa"1.2023
70% up, 30% down "Ilhabela"1.0564
30% up, 70% down "Ilhabela-inverso"1.1351
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Predominantly Upwind464.41.2919
Predominantly Downwind433.61.3838
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP444.61.3494 Predom. Rc High335.21.7898 5B SF Bay L/M572.61.0479 TriNum AP Low540.91.1092 Predom. Dn Low655.80.9149 5B SF Bay Med499.41.2014 TriNum AP Med428.71.3997 Predom. Dn L/M488.01.2295 5B SF Bay M/H453.51.3229 TriNum AP High379.61.5807 Predom. Dn Med421.41.4237 5B SF Bay High420.31.4275 TriNum W/L Low729.50.8225 Predom. Dn M/H372.21.6121 5B AP Low600.20.9996 TriNum W/L Med526.81.1389 Predom. Dn High331.41.8104 5B AP L/M478.41.2542 TriNum W/L Hig459.41.3061 ChiMac Up Low578.71.0369 5B AP Med423.01.4183 Predom. Upwind482.21.2442 ChiMac Up Med525.11.1427 5B AP M/H386.71.5517 Predom. Reaching424.21.4146 ChiMac Up High460.71.3025 5B AP High360.01.6668 Predom. Downwind451.21.3298 ChiMac Off Low567.01.0582 5B W/L Low817.10.7343 Predom. Up Low654.00.9174 ChiMac Off Med502.31.1946 5B W/L L/M601.40.9976 Predom. Up L/M504.41.1896 ChiMac Off High422.11.4214 5B W/L Med518.81.1566 Predom. Up Med452.61.3257 ChiMac AP Low570.31.0521 5B W/L M/H469.11.2790 Predom. Up M/H421.71.4228 ChiMac AP Med511.91.1720 5B W/L High432.11.3887 Predom. Up High402.21.4917 ChiMac AP High440.51.3622 W/L 60-40 Low820.00.7317 Predom. Rc Low581.21.0323 BayMac Cove Island655.10.9159 W/L 60-40 L/M607.80.9872 Predom. Rc L/M450.11.3329 BayMac Shore649.80.9234 W/L 60-40 Med528.61.1350 Predom. Rc Med400.71.4974 Harvest Moon375.91.5961 W/L 60-40 M/H482.81.2429 Predom. Rc M/H363.31.6513 5B SF Bay Low687.40.8728 W/L 60-40 High450.81.3311      SA/DSPL Up30.31SA/DSPL Dn66.87
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance466.91.2852
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance466.91.2852
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance466.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating466.91.2852
FinRating, kevyt tuuli804.71.2427
FinRating, kova tuuli360.91.3854
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.2852
Triple Number Coastal/Long Distance Low1.1092
Triple Number Coastal/Long Distance Medium1.3998
Triple Number Coastal/Long Distance High1.5807
Triple Number Windward/Leeward Low0.8627
Triple Number Windward/Leeward Medium1.1389
Triple Number Windward/Leeward High1.3061
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
For information
General Purpose Handicap (GPH)480.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance466.91.2852
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Saronikos S All Purpose484.11.2394
Saronikos S Upwind545.51.1000
Saronikos S Downwind410.61.4615
Saronikos N All Purpose508.81.1792
Saronikos N Upwind566.71.0589
Saronikos N Downwind452.11.3271
Saronikos SW All Purpose484.81.2376
Saronikos SW Upwind558.01.0753
Saronikos SW Downwind415.11.4454
Saronikos NE All Purpose526.41.1398
Saronikos NE Upwind531.91.1281
Saronikos NE Downwind506.31.1851
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose444.61.3494
5-Band All Purpose Low651.80.9206
5-Band All Purpose L/M495.11.2119
5-Band All Purpose Med436.41.3748
5-Band All Purpose M/H396.61.5127
5-Band All Purpose High366.91.6355
Single Number Predominant Upwind463.41.2948
Single Number Predominant Reaching409.81.4642
Single Number Predominant Downwind434.31.3814
5-Band 50-50 Windward/Leeward Low817.10.7343
5-Band 50-50 Windward/Leeward L/M601.40.9976
5-Band 50-50 Windward/Leeward Med518.81.1566
5-Band 50-50 Windward/Leeward M/H469.11.2790
5-Band 50-50 Windward/Leeward High432.11.3887
5-Band 60-40 Windward/Leeward Low820.00.7317
5-Band 60-40 Windward/Leeward L/M607.80.9872
5-Band 60-40 Windward/Leeward Med528.61.1350
5-Band 60-40 Windward/Leeward M/H482.81.2429
5-Band 60-40 Windward/Leeward High450.81.3311
Triple Number 50-50 Windward/Leeward Low729.50.8225
Triple Number 50-50 Windward/Leeward Med526.91.1387
Triple Number 50-50 Windward/Leeward High459.41.3061
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward539.31.1125
Triple Number 60-40 Windward/Leeward Low733.30.8182
Triple Number 60-40 Windward/Leeward Med536.21.1190
Triple Number 60-40 Windward/Leeward High474.21.2653
Triple Number All-Purpose Low587.21.0218
Triple Number All-Purpose Med442.51.3560
Triple Number All-Purpose High388.71.5437
Triple Number Predominant Upwind Low597.31.0045
Triple Number Predominant Upwind Med459.41.3062
Triple Number Predominant Upwind High421.01.4251
Triple Number Predominant Reaching Low530.21.1317
Triple Number Predominant Reaching Med412.91.4532
Triple Number Predominant Reaching High348.71.7209
Triple Number Predominant Downwind Low586.51.0231
Triple Number Predominant Downwind Med429.31.3975
Triple Number Predominant Downwind High353.81.6960
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance466.91.2852
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance466.91.2852
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low540.9
Triple Number Coastal/Long Distance Medium428.6
Triple Number Coastal/Long Distance High379.6
Triple Number Windward/Leeward Low695.5
Triple Number Windward/Leeward Medium526.8
Triple Number Windward/Leeward High459.4
Predominantly Upwind464.4
Predominantly Downwind433.6
Predominantly Reaching415.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance466.91.2852
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low1.1092
Triple Number Coastal/Long Distance Medium1.3998
Triple Number Coastal/Long Distance High1.5807
Triple Number Windward/Leeward Low0.8627
Triple Number Windward/Leeward Medium1.1389
Triple Number Windward/Leeward High1.3061
Coastal/Long Distance1.2852
Predominantly Upwind1.2919
Predominantly Downwind1.3838
For information
General Purpose Handicap (GPH)480.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.3963
Distanseseilas Trippeltall svak vind1.1092
Distanseseilas Trippeltall mellomvind1.3998
Distanseseilas Trippeltall sterk vind1.5807
Pølsebane Trippeltall svak vind0.8627
Pølsebane Trippeltall mellomvind1.1389
Pølsebane Trippeltall sterk vind1.3061
Motvind Singeltall1.2919
Medvind Singeltall1.3838
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Coastal/Long Distance466.91.2852
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind464.41.2919
Predominantly Downwind433.61.3838
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore408.41.4692
Cape Doctor Coastal344.01.7442
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low1.1092
Triple Number Coastal/Long Distance Medium1.3998
Triple Number Coastal/Long Distance High1.5807
Triple Number Windward/Leeward Low0.8627
Triple Number Windward/Leeward Medium1.1389
Triple Number Windward/Leeward High1.3061
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low1.1092
Triple Number Coastal/Long Distance Medium1.3998
Triple Number Coastal/Long Distance High1.5807
Triple Number Windward/Leeward Low0.8627
Triple Number Windward/Leeward Medium1.1389
Triple Number Windward/Leeward High1.3061
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance466.91.2852
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Predominantly Upwind464.41.2919
Predominantly Downwind433.61.3838
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance466.91.2852
Triple Number Coastal/Long Distance Low540.91.1092
Triple Number Coastal/Long Distance Medium428.61.3998
Triple Number Coastal/Long Distance High379.61.5807
Triple Number Windward/Leeward Low695.50.8627
Triple Number Windward/Leeward Medium526.81.1389
Triple Number Windward/Leeward High459.41.3061
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1108.0767.7586.1497.5445.8415.8389.8344.7322.6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP444.61.3494 Predom. Dn High331.41.8104 5B AP M/H386.71.5517 TriNum AP Low540.91.1092 Predom. Rc Low581.21.0323 5B AP High360.01.6668 TriNum AP Med428.71.3997 Predom. Rc L/M450.11.3329 5B SF Bay Low687.40.8728 TriNum AP High379.61.5807 Predom. Rc Med400.71.4974 5B SF Bay L/M572.61.0479 TriNum W/L Low729.50.8225 Predom. Rc M/H363.31.6513 5B SF Bay Med499.41.2014 TriNum W/L Med526.81.1389 Predom. Rc High335.21.7898 5B SF Bay M/H453.51.3229 TriNum W/L Hig459.41.3061 5B W/L Low817.10.7343 5B SF Bay High420.31.4275 Predom. Upwind482.21.2442 5B W/L L/M601.40.9976 ChiMac Up Low578.71.0369 Predom. Reaching424.21.4146 5B W/L Med518.81.1566 ChiMac Up Med525.11.1427 Predom. Downwind451.21.3298 5B W/L M/H469.11.2790 ChiMac Up High460.71.3025 Predom. Up Low654.00.9174 5B W/L High432.11.3887 ChiMac Off Low567.01.0582 Predom. Up L/M504.41.1896 W/L 60-40 Low820.00.7317 ChiMac Off Med502.31.1946 Predom. Up Med452.61.3257 W/L 60-40 L/M607.80.9872 ChiMac Off High422.11.4214 Predom. Up M/H421.71.4228 W/L 60-40 Med528.61.1350 ChiMac AP Low570.31.0521 Predom. Up High402.21.4917 W/L 60-40 M/H482.81.2429 ChiMac AP Med511.91.1720 Predom. Dn Low655.80.9149 W/L 60-40 High450.81.3311 ChiMac AP High440.51.3622 Predom. Dn L/M488.01.2295 5B AP Low600.20.9996 BayMac Cove Island655.10.9159 Predom. Dn Med421.41.4237 5B AP L/M478.41.2542 BayMac Shore649.80.9234 Predom. Dn M/H372.21.6121 5B AP Med423.01.4183 Harvest Moon375.91.5961      SA/DSPL Up30.31SA/DSPL Dn66.87
ORC Ref  04560004S6F Issued on 04/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
WahooUSA 52599
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassKER 50MeasurementHINPlan reviewHull constructionCarbonCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall15.350Maximum beam4.138Draft3.142Displacement10,360Wetted area42.18IMS L14.638LSM014.315Accomod. length13.448Sink (kg/mm) 29.60
VCGD-0.930VCGM-0.875 RM Rated (kg·m) 346.9Limit of positive stability(°) 151.3 Stability Index 157.5 BLR index 0.0000Default crew weight1,148 Declared crew weight 1,150
Centerboard weight0.0List angle0.0Canting keel angle0.0
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.460PBW0.105PIPA0.0036
EDL2.950ST10.022ST20.190
ST30.205ST40.114ST50.275
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P20.510IG19.995ISP22.465MDT10.125MDL10.248MDT20.095MDL20.185TL2.750MW0.248GO0.262
E6.730J6.050BAS1.970FSD0.042SFJ0.500SPL0.000WPLTPS7.999BD0.325MWT296.00MCG6.890
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date07/06/2012
SFFP1.001FFM1.608FF1.618LCFcl8.388SG1.0200
SAFP15.142FAM1.300FA1.304LCFsh8.619HBI1.423
W1145.7W2145.7W3145.7W4145.7
PD1451.9PD2451.9PD3451.9PD4451.9
WD13.760PLM9000.00GSA1.0RSA1.0RM349.4
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  04560004S6F Issued on 04/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
WahooUSA 52599
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment70317815-010.271.612.694.385.6983.7129/03/20213Di Main
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment18264010.120.881.643.124.546.0019.94NoNo 61.44Med 1 Jib 2018
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment182642325.0821.6323.3611.8913.2190%236.55A2 2018
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004S6F Issued on 04/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org