Club Certificate2026
PRUDENCEITA-JFS21
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 Angles45.4°43.0°39.7°37.8°37.5°37.4°37.6°38.4°40.4°
Beat VMG2.613.734.474.764.864.914.954.934.78
52°4.105.686.446.746.896.997.077.157.07
60°4.415.956.637.017.197.337.457.597.56
75°4.646.126.827.347.687.938.168.488.59
90°4.506.016.797.458.068.548.919.509.97
110°4.366.087.067.828.398.939.4510.8612.14
120°4.215.947.007.928.819.4910.2411.7113.21
135°3.755.406.517.388.449.6411.1413.4915.36
150°3.104.535.706.577.328.249.4112.9416.32
Run VMG2.693.924.945.706.347.138.1511.2114.13
Gybe Angles139.5°142.1°146.8°152.0°150.3°146.7°140.8°145.2°149.3°
APH ToD:534.3CDL: 7.826APH ToT: 1.1230CertNo:26/1
BOAT
ClassJoker mod.DesignerSantarelliBuilderMaxi DolphinAge date01/1991Series date01/1991Offset fileIMOD8196.OFFData fileJFS21
HULL
Length Overall7.300 mMaximum Beam2.694 mDraft1.551 mDisplacement800 kgDLR2.7027IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight420 kg(declared)Minimum weight290 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.8522.53Headsail Luffed16.1316.13Headsail FlyingSymmetricAsymmetric54.2054.20 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail6.05Storm Jib3.85Heavy Weather Jib10.38
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 17.1 kg·m Stability Index 93.5
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  03190004KKH Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
PRUDENCEITA-JFS21
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
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 VMG1376.8965.0805.2755.7740.0732.8727.6730.4752.7
52°878.6634.0559.3534.4522.9515.0508.9503.4509.2
60°816.6604.6542.7513.8500.6491.0483.5474.4476.4
75°775.5588.6527.6490.3468.7453.7441.1424.6419.1
90°799.8599.3530.5483.3446.6421.6404.1378.9361.2
110°825.5592.2510.0460.5429.0403.1381.1331.4296.5
120°855.4605.8514.4454.4408.7379.2351.7307.6272.5
135°960.5667.3552.9488.1426.6373.6323.3266.8234.3
150°1160.3795.6631.6548.3491.5437.0382.6278.2220.6
Run VMG1339.8918.7729.4631.7567.5504.6441.8321.2254.8
Selected Courses
Windward / Leeward1358.3941.8767.3693.7653.8618.7584.7525.8503.7
All purpose1028.5728.1612.2557.7523.8496.4471.4431.6414.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward667.20.8993
All purpose534.31.1230
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance580.81.0330
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7697
Downwind "popa"1.0207
70% up, 30% down "Ilhabela"0.8310
30% up, 70% down "Ilhabela-inverso"0.9297
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Predominantly Upwind591.41.0145
Predominantly Downwind527.01.1385
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP549.91.0911 Predom. Rc High396.51.5134 5B SF Bay L/M715.10.8391 TriNum AP Low670.10.8954 Predom. Dn Low806.10.7443 5B SF Bay Med632.60.9484 TriNum AP Med535.71.1201 Predom. Dn L/M605.30.9912 5B SF Bay M/H568.41.0555 TriNum AP High462.71.2967 Predom. Dn Med514.01.1673 5B SF Bay High523.31.1465 TriNum W/L Low897.60.6685 Predom. Dn M/H429.71.3963 5B AP Low740.90.8099 TriNum W/L Med667.80.8985 Predom. Dn High369.21.6250 5B AP L/M597.01.0050 TriNum W/L Hig571.11.0506 ChiMac Up Low724.30.8284 5B AP Med527.81.1368 Predom. Upwind612.20.9801 ChiMac Up Med662.60.9056 5B AP M/H473.31.2676 Predom. Reaching520.01.1538 ChiMac Up High587.21.0218 5B AP High435.41.3780 Predom. Downwind545.91.0990 ChiMac Off Low698.80.8587 5B W/L Low1002.30.5986 Predom. Up Low810.20.7405 ChiMac Off Med614.70.9761 5B W/L L/M750.30.7997 Predom. Up L/M636.40.9428 ChiMac Off High507.51.1822 5B W/L Med658.10.9117 Predom. Up Med578.01.0381 ChiMac AP Low708.50.8469 5B W/L M/H586.31.0233 Predom. Up M/H539.91.1114 ChiMac AP Med636.30.9429 5B W/L High532.21.1275 Predom. Up High519.91.1540 ChiMac AP High545.81.0993 W/L 60-40 Low1007.40.5956 Predom. Rc Low721.70.8313 BayMac Cove Island811.30.7395 W/L 60-40 L/M760.50.7889 Predom. Rc L/M562.51.0667 BayMac Shore805.40.7450 W/L 60-40 Med675.60.8881 Predom. Rc Med492.01.2195 Harvest Moon443.31.3534 W/L 60-40 M/H615.10.9755 Predom. Rc M/H432.81.3864 5B SF Bay Low844.50.7104 W/L 60-40 High572.51.0481      SA/DSPL Up44.12SA/DSPL Dn88.34
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance580.81.0330
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance580.81.0330
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance580.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating580.81.0330
FinRating, kevyt tuuli988.21.0120
FinRating, kova tuuli436.01.1467
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0330
Triple Number Coastal/Long Distance Low0.8954
Triple Number Coastal/Long Distance Medium1.1202
Triple Number Coastal/Long Distance High1.2967
Triple Number Windward/Leeward Low0.7021
Triple Number Windward/Leeward Medium0.8985
Triple Number Windward/Leeward High1.0506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
For information
General Purpose Handicap (GPH)596.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance580.81.0330
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Saronikos S All Purpose593.91.0102
Saronikos S Upwind694.40.8641
Saronikos S Downwind470.91.2742
Saronikos N All Purpose640.80.9363
Saronikos N Upwind723.30.8296
Saronikos N Downwind544.81.1013
Saronikos SW All Purpose590.81.0155
Saronikos SW Upwind701.40.8554
Saronikos SW Downwind486.11.2344
Saronikos NE All Purpose660.00.9091
Saronikos NE Upwind676.50.8870
Saronikos NE Downwind613.60.9779
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose549.91.0911
5-Band All Purpose Low805.10.7453
5-Band All Purpose L/M619.30.9688
5-Band All Purpose Med544.71.1015
5-Band All Purpose M/H484.11.2395
5-Band All Purpose High444.21.3508
Single Number Predominant Upwind589.11.0185
Single Number Predominant Reaching504.41.1895
Single Number Predominant Downwind529.11.1340
5-Band 50-50 Windward/Leeward Low1002.30.5986
5-Band 50-50 Windward/Leeward L/M750.30.7997
5-Band 50-50 Windward/Leeward Med658.10.9117
5-Band 50-50 Windward/Leeward M/H586.31.0233
5-Band 50-50 Windward/Leeward High532.21.1275
5-Band 60-40 Windward/Leeward Low1007.40.5956
5-Band 60-40 Windward/Leeward L/M760.50.7889
5-Band 60-40 Windward/Leeward Med675.60.8881
5-Band 60-40 Windward/Leeward M/H615.10.9755
5-Band 60-40 Windward/Leeward High572.51.0481
Triple Number 50-50 Windward/Leeward Low897.60.6685
Triple Number 50-50 Windward/Leeward Med667.80.8984
Triple Number 50-50 Windward/Leeward High571.11.0506
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward685.30.8755
Triple Number 60-40 Windward/Leeward Low903.90.6638
Triple Number 60-40 Windward/Leeward Med684.00.8771
Triple Number 60-40 Windward/Leeward High602.90.9952
Triple Number All-Purpose Low728.00.8242
Triple Number All-Purpose Med553.51.0840
Triple Number All-Purpose High472.91.2689
Triple Number Predominant Upwind Low743.10.8075
Triple Number Predominant Upwind Med586.31.0235
Triple Number Predominant Upwind High545.61.0998
Triple Number Predominant Reaching Low660.60.9082
Triple Number Predominant Reaching Med512.01.1718
Triple Number Predominant Reaching High412.81.4535
Triple Number Predominant Downwind Low723.60.8292
Triple Number Predominant Downwind Med525.41.1419
Triple Number Predominant Downwind High397.61.5092
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance580.81.0330
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance580.81.0330
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low670.1
Triple Number Coastal/Long Distance Medium535.6
Triple Number Coastal/Long Distance High462.7
Triple Number Windward/Leeward Low854.6
Triple Number Windward/Leeward Medium667.8
Triple Number Windward/Leeward High571.1
Predominantly Upwind591.4
Predominantly Downwind527.0
Predominantly Reaching507.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance580.81.0330
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8954
Triple Number Coastal/Long Distance Medium1.1202
Triple Number Coastal/Long Distance High1.2967
Triple Number Windward/Leeward Low0.7021
Triple Number Windward/Leeward Medium0.8985
Triple Number Windward/Leeward High1.0506
Coastal/Long Distance1.0330
Predominantly Upwind1.0145
Predominantly Downwind1.1385
For information
General Purpose Handicap (GPH)596.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1230
Distanseseilas Trippeltall svak vind0.8954
Distanseseilas Trippeltall mellomvind1.1202
Distanseseilas Trippeltall sterk vind1.2967
Pølsebane Trippeltall svak vind0.7021
Pølsebane Trippeltall mellomvind0.8985
Pølsebane Trippeltall sterk vind1.0506
Motvind Singeltall1.0145
Medvind Singeltall1.1385
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Coastal/Long Distance580.81.0330
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind591.41.0145
Predominantly Downwind527.01.1385
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore510.41.1756
Cape Doctor Coastal419.31.4311
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8954
Triple Number Coastal/Long Distance Medium1.1202
Triple Number Coastal/Long Distance High1.2967
Triple Number Windward/Leeward Low0.7021
Triple Number Windward/Leeward Medium0.8985
Triple Number Windward/Leeward High1.0506
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8954
Triple Number Coastal/Long Distance Medium1.1202
Triple Number Coastal/Long Distance High1.2967
Triple Number Windward/Leeward Low0.7021
Triple Number Windward/Leeward Medium0.8985
Triple Number Windward/Leeward High1.0506
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance580.81.0330
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Predominantly Upwind591.41.0145
Predominantly Downwind527.01.1385
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance580.81.0330
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium535.61.1202
Triple Number Coastal/Long Distance High462.71.2967
Triple Number Windward/Leeward Low854.60.7021
Triple Number Windward/Leeward Medium667.80.8985
Triple Number Windward/Leeward High571.11.0506
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1356.4939.5724.8626.1561.9516.8474.7404.2382.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP549.91.0911 Predom. Dn High369.21.6250 5B AP M/H473.31.2676 TriNum AP Low670.10.8954 Predom. Rc Low721.70.8313 5B AP High435.41.3780 TriNum AP Med535.71.1201 Predom. Rc L/M562.51.0667 5B SF Bay Low844.50.7104 TriNum AP High462.71.2967 Predom. Rc Med492.01.2195 5B SF Bay L/M715.10.8391 TriNum W/L Low897.60.6685 Predom. Rc M/H432.81.3864 5B SF Bay Med632.60.9484 TriNum W/L Med667.80.8985 Predom. Rc High396.51.5134 5B SF Bay M/H568.41.0555 TriNum W/L Hig571.11.0506 5B W/L Low1002.30.5986 5B SF Bay High523.31.1465 Predom. Upwind612.20.9801 5B W/L L/M750.30.7997 ChiMac Up Low724.30.8284 Predom. Reaching520.01.1538 5B W/L Med658.10.9117 ChiMac Up Med662.60.9056 Predom. Downwind545.91.0990 5B W/L M/H586.31.0233 ChiMac Up High587.21.0218 Predom. Up Low810.20.7405 5B W/L High532.21.1275 ChiMac Off Low698.80.8587 Predom. Up L/M636.40.9428 W/L 60-40 Low1007.40.5956 ChiMac Off Med614.70.9761 Predom. Up Med578.01.0381 W/L 60-40 L/M760.50.7889 ChiMac Off High507.51.1822 Predom. Up M/H539.91.1114 W/L 60-40 Med675.60.8881 ChiMac AP Low708.50.8469 Predom. Up High519.91.1540 W/L 60-40 M/H615.10.9755 ChiMac AP Med636.30.9429 Predom. Dn Low806.10.7443 W/L 60-40 High572.51.0481 ChiMac AP High545.81.0993 Predom. Dn L/M605.30.9912 5B AP Low740.90.8099 BayMac Cove Island811.30.7395 Predom. Dn Med514.01.1673 5B AP L/M597.01.0050 BayMac Shore805.40.7450 Predom. Dn M/H429.71.3963 5B AP Med527.81.1368 Harvest Moon443.31.3534      SA/DSPL Up44.12SA/DSPL Dn88.34
ORC Ref  03190004KKH Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
PRUDENCEITA-JFS21
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJoker mod.Measurement01/02/1991HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall7.300Maximum beam2.694Draft1.551Displacement800Wetted area9.88IMS L7.508LSM06.663Accomod. length8.073Sink (kg/mm) 7.83
VCGD0.035VCGM0.085 RM Rated (kg·m) 17.1Limit of positive stability(°) 102.1 Stability Index 93.5 BLR index 0.0000Default crew weight386 Declared crew weight 420
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P9.600IG8.700ISP10.600MDT10.070MDL10.100MDT2MDL2TLTaperMW0.100GO0.120
E3.600J2.650BAS1.000FSDFoilSFJ0.280SPLWPLTPS4.450BD0.110MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date01/02/1991
SFFP0.248FFM0.920FF0.932LCFcl4.244SG1.0050
SAFP7.284FAM0.682FA0.690LCFsh4.443HBI0.835
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004KKH Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
PRUDENCEITA-JFS21
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.180.871.502.503.2021.8520/10/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.000.000.000.000.003.608.80NoNo 16.1320/10/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA12.1510.2011.185.656.5087%54.2020/10/2021
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  03190004KKH Issued on 08/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org