Club Certificate2026
BLACK INDIANITA-18085
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 Angles46.3°43.4°41.1°38.9°38.0°37.7°37.6°38.3°40.1°
Beat VMG2.453.474.204.714.965.055.105.094.95
52°3.855.296.206.706.957.067.127.167.12
60°4.145.576.416.857.127.277.357.437.40
75°4.365.756.556.987.297.547.727.907.98
90°4.245.806.727.177.427.637.938.398.66
110°4.295.906.867.407.878.288.599.199.77
120°4.165.766.767.327.848.388.979.9510.89
135°3.685.206.326.987.488.018.6410.4213.25
150°3.054.395.506.406.977.417.889.0611.70
Run VMG2.643.804.775.546.176.737.188.0410.13
Gybe Angles139.6°143.3°147.9°150.8°159.7°174.1°177.2°175.7°141.4°
APH ToD:557.0CDL: 8.540APH ToT: 1.0773CertNo:26/2
BOAT
ClassBonin 31DesignerCossuttiBuilderBoninAge date07/2016Series date08/2006Offset fileBONIN31.offData fileI18085
HULL
Length Overall9.390 mMaximum Beam3.336 mDraft1.925 mDisplacement3,000 kgDLR5.3426IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFeathering 2 bladesDiameter0.406m
CREW
Maximum weight560 kg(declared)Minimum weight430 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.0330.80Headsail Luffed24.1324.13Headsail FlyingSymmetric69.8969.89Asymmetric81.9781.97 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail8.40Storm Jib7.84Heavy Weather Jib21.17
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
✱ Asymmetric may be tacked on the pole
STABILITY
Righting Moment 75.0 kg·m Stability Index 122.0
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  03190004UIC Issued on 01/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
BLACK INDIANITA-18085
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 VMG1467.51039.0856.4764.3725.9712.3706.2707.2727.3
52°934.3680.9581.0537.6518.3510.2505.9502.5505.8
60°869.2646.8561.5525.2505.9495.4490.0484.3486.3
75°826.0626.5549.3515.9493.7477.2466.5455.6451.0
90°848.1621.2535.4501.8485.0471.6453.9429.2415.7
110°838.9609.9524.8486.3457.3434.7419.3391.8368.3
120°866.0624.6532.6491.9459.3429.4401.2361.7330.5
135°977.6691.9569.7515.4481.2449.2416.7345.5271.7
150°1181.5819.7654.0562.7516.7485.6456.7397.3307.6
Run VMG1364.3946.6755.1649.3583.1534.6501.2447.6355.2
Selected Courses
Windward / Leeward1415.9992.8805.7706.8654.5623.4603.7577.4541.3
All purpose1072.7765.8637.3574.7540.7518.9502.2475.7449.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward681.80.8800
All purpose557.01.0773
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.30.9930
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7621
Downwind "popa"0.9508
70% up, 30% down "Ilhabela"0.8103
30% up, 70% down "Ilhabela-inverso"0.8850
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Predominantly Upwind605.90.9903
Predominantly Downwind560.11.0712
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP578.21.0376 Predom. Rc High443.21.3537 5B SF Bay L/M741.20.8095 TriNum AP Low701.60.8552 Predom. Dn Low835.80.7179 5B SF Bay Med644.50.9310 TriNum AP Med554.71.0817 Predom. Dn L/M628.10.9552 5B SF Bay M/H590.61.0158 TriNum AP High496.41.2086 Predom. Dn Med544.21.1026 5B SF Bay High560.51.0705 TriNum W/L Low941.00.6376 Predom. Dn M/H483.61.2407 5B AP Low772.70.7765 TriNum W/L Med676.70.8866 Predom. Dn High435.31.3783 5B AP L/M619.90.9679 TriNum W/L Hig598.81.0020 ChiMac Up Low755.70.7940 5B AP Med547.51.0959 Predom. Upwind630.20.9521 ChiMac Up Med685.30.8755 5B AP M/H503.81.1910 Predom. Reaching552.31.0863 ChiMac Up High603.50.9942 5B AP High475.71.2613 Predom. Downwind581.51.0319 ChiMac Off Low725.50.8271 5B W/L Low1051.80.5705 Predom. Up Low856.00.7009 ChiMac Off Med645.00.9303 5B W/L L/M776.10.7731 Predom. Up L/M658.40.9114 ChiMac Off High545.91.0991 5B W/L Med666.30.9005 Predom. Up Med588.61.0195 ChiMac AP Low737.40.8137 5B W/L M/H606.90.9887 Predom. Up M/H553.71.0836 ChiMac AP Med663.00.9050 5B W/L High575.71.0422 Predom. Up High536.51.1184 ChiMac AP High573.41.0463 W/L 60-40 Low1061.50.5652 Predom. Rc Low752.40.7975 BayMac Cove Island844.50.7105 W/L 60-40 L/M787.20.7622 Predom. Rc L/M583.41.0284 BayMac Shore838.40.7156 W/L 60-40 Med680.90.8812 Predom. Rc Med521.51.1506 Harvest Moon487.41.2309 W/L 60-40 M/H627.30.9565 Predom. Rc M/H477.81.2558 5B SF Bay Low891.30.6732 W/L 60-40 High602.70.9956      SA/DSPL Up25.94SA/DSPL Dn53.65
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.30.9930
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.30.9930
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance604.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating604.30.9930
FinRating, kevyt tuuli1033.70.9674
FinRating, kova tuuli476.11.0501
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9930
Triple Number Coastal/Long Distance Low0.8552
Triple Number Coastal/Long Distance Medium1.0818
Triple Number Coastal/Long Distance High1.2086
Triple Number Windward/Leeward Low0.6672
Triple Number Windward/Leeward Medium0.8866
Triple Number Windward/Leeward High1.0020
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
For information
General Purpose Handicap (GPH)622.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.30.9930
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Saronikos S All Purpose630.80.9512
Saronikos S Upwind717.20.8366
Saronikos S Downwind523.11.1470
Saronikos N All Purpose665.00.9022
Saronikos N Upwind749.70.8003
Saronikos N Downwind574.91.0436
Saronikos SW All Purpose631.90.9495
Saronikos SW Upwind735.30.8160
Saronikos SW Downwind527.61.1372
Saronikos NE All Purpose683.30.8781
Saronikos NE Upwind703.60.8528
Saronikos NE Downwind637.40.9413
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose578.21.0376
5-Band All Purpose Low842.40.7122
5-Band All Purpose L/M641.50.9353
5-Band All Purpose Med565.51.0610
5-Band All Purpose M/H518.41.1575
5-Band All Purpose High486.31.2339
Single Number Predominant Upwind604.60.9923
Single Number Predominant Reaching533.61.1244
Single Number Predominant Downwind561.01.0695
5-Band 50-50 Windward/Leeward Low1051.80.5705
5-Band 50-50 Windward/Leeward L/M776.10.7731
5-Band 50-50 Windward/Leeward Med666.30.9005
5-Band 50-50 Windward/Leeward M/H606.90.9887
5-Band 50-50 Windward/Leeward High575.71.0422
5-Band 60-40 Windward/Leeward Low1061.50.5652
5-Band 60-40 Windward/Leeward L/M787.20.7622
5-Band 60-40 Windward/Leeward Med680.90.8812
5-Band 60-40 Windward/Leeward M/H627.30.9565
5-Band 60-40 Windward/Leeward High602.70.9956
Triple Number 50-50 Windward/Leeward Low941.00.6376
Triple Number 50-50 Windward/Leeward Med676.90.8865
Triple Number 50-50 Windward/Leeward High598.81.0020
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward696.80.8611
Triple Number 60-40 Windward/Leeward Low950.90.6310
Triple Number 60-40 Windward/Leeward Med690.70.8686
Triple Number 60-40 Windward/Leeward High620.60.9668
Triple Number All-Purpose Low760.20.7893
Triple Number All-Purpose Med573.01.0470
Triple Number All-Purpose High510.11.1763
Triple Number Predominant Upwind Low780.80.7684
Triple Number Predominant Upwind Med597.31.0045
Triple Number Predominant Upwind High555.81.0795
Triple Number Predominant Reaching Low687.10.8732
Triple Number Predominant Reaching Med536.41.1185
Triple Number Predominant Reaching High460.21.3038
Triple Number Predominant Downwind Low751.00.7989
Triple Number Predominant Downwind Med553.11.0847
Triple Number Predominant Downwind High460.81.3022
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.30.9930
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.30.9930
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low701.6
Triple Number Coastal/Long Distance Medium554.6
Triple Number Coastal/Long Distance High496.4
Triple Number Windward/Leeward Low899.3
Triple Number Windward/Leeward Medium676.7
Triple Number Windward/Leeward High598.8
Predominantly Upwind605.9
Predominantly Downwind560.1
Predominantly Reaching540.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.30.9930
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8552
Triple Number Coastal/Long Distance Medium1.0818
Triple Number Coastal/Long Distance High1.2086
Triple Number Windward/Leeward Low0.6672
Triple Number Windward/Leeward Medium0.8866
Triple Number Windward/Leeward High1.0020
Coastal/Long Distance0.9930
Predominantly Upwind0.9903
Predominantly Downwind1.0712
For information
General Purpose Handicap (GPH)622.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0773
Distanseseilas Trippeltall svak vind0.8552
Distanseseilas Trippeltall mellomvind1.0818
Distanseseilas Trippeltall sterk vind1.2086
Pølsebane Trippeltall svak vind0.6672
Pølsebane Trippeltall mellomvind0.8866
Pølsebane Trippeltall sterk vind1.0020
Motvind Singeltall0.9903
Medvind Singeltall1.0712
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Coastal/Long Distance604.30.9930
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind605.90.9903
Predominantly Downwind560.11.0712
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore552.11.0868
Cape Doctor Coastal457.21.3124
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8552
Triple Number Coastal/Long Distance Medium1.0818
Triple Number Coastal/Long Distance High1.2086
Triple Number Windward/Leeward Low0.6672
Triple Number Windward/Leeward Medium0.8866
Triple Number Windward/Leeward High1.0020
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8552
Triple Number Coastal/Long Distance Medium1.0818
Triple Number Coastal/Long Distance High1.2086
Triple Number Windward/Leeward Low0.6672
Triple Number Windward/Leeward Medium0.8866
Triple Number Windward/Leeward High1.0020
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.30.9930
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Predominantly Upwind605.90.9903
Predominantly Downwind560.11.0712
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.30.9930
Triple Number Coastal/Long Distance Low701.60.8552
Triple Number Coastal/Long Distance Medium554.61.0818
Triple Number Coastal/Long Distance High496.41.2086
Triple Number Windward/Leeward Low899.30.6672
Triple Number Windward/Leeward Medium676.70.8866
Triple Number Windward/Leeward High598.81.0020
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.8988.1758.8641.7576.0538.5506.2452.6426.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP578.21.0376 Predom. Dn High435.31.3783 5B AP M/H503.81.1910 TriNum AP Low701.60.8552 Predom. Rc Low752.40.7975 5B AP High475.71.2613 TriNum AP Med554.71.0817 Predom. Rc L/M583.41.0284 5B SF Bay Low891.30.6732 TriNum AP High496.41.2086 Predom. Rc Med521.51.1506 5B SF Bay L/M741.20.8095 TriNum W/L Low941.00.6376 Predom. Rc M/H477.81.2558 5B SF Bay Med644.50.9310 TriNum W/L Med676.70.8866 Predom. Rc High443.21.3537 5B SF Bay M/H590.61.0158 TriNum W/L Hig598.81.0020 5B W/L Low1051.80.5705 5B SF Bay High560.51.0705 Predom. Upwind630.20.9521 5B W/L L/M776.10.7731 ChiMac Up Low755.70.7940 Predom. Reaching552.31.0863 5B W/L Med666.30.9005 ChiMac Up Med685.30.8755 Predom. Downwind581.51.0319 5B W/L M/H606.90.9887 ChiMac Up High603.50.9942 Predom. Up Low856.00.7009 5B W/L High575.71.0422 ChiMac Off Low725.50.8271 Predom. Up L/M658.40.9114 W/L 60-40 Low1061.50.5652 ChiMac Off Med645.00.9303 Predom. Up Med588.61.0195 W/L 60-40 L/M787.20.7622 ChiMac Off High545.91.0991 Predom. Up M/H553.71.0836 W/L 60-40 Med680.90.8812 ChiMac AP Low737.40.8137 Predom. Up High536.51.1184 W/L 60-40 M/H627.30.9565 ChiMac AP Med663.00.9050 Predom. Dn Low835.80.7179 W/L 60-40 High602.70.9956 ChiMac AP High573.41.0463 Predom. Dn L/M628.10.9552 5B AP Low772.70.7765 BayMac Cove Island844.50.7105 Predom. Dn Med544.21.1026 5B AP L/M619.90.9679 BayMac Shore838.40.7156 Predom. Dn M/H483.61.2407 5B AP Med547.51.0959 Harvest Moon487.41.2309      SA/DSPL Up25.94SA/DSPL Dn53.65
ORC Ref  03190004UIC Issued on 01/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
BLACK INDIANITA-18085
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)
ClassBonin 31Measurement07/05/2024HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.390Maximum beam3.336Draft1.925Displacement3,000Wetted area17.70IMS L8.617LSM08.249Accomod. length9.390Sink (kg/mm) 14.04
VCGD-0.168VCGM-0.106 RM Rated (kg·m) 75.0Limit of positive stability(°) 127.8 Stability Index 122.0 BLR index 0.0000Default crew weight523 Declared crew weight 560
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.406PBW0.103PIPA0.0026
EDL1.127ST10.042ST20.135
ST30.135ST40.088ST50.300
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P11.850IG12.380ISP13.470MDT10.100MDL10.145MDT20.072MDL20.105TL0.700MW0.145GO0.185
E4.050J3.530BAS1.610FSDFoilSFJ0.200SPL3.720WPLTPS4.560BD0.120MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.168Flotation Date07/10/2024
SFFP0.367FFM1.241FF1.241LCFcl5.050SG1.0250
SAFP9.250FAM1.137FA1.137LCFsh5.293HBI1.177
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004UIC Issued on 01/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
BLACK INDIANITA-18085
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.150.981.742.773.5130.0307/10/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.070.651.122.052.963.8311.97YesNo 24.1307/10/2024
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA12.6012.6012.606.726.4069.8907/10/2024
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA14.5012.9013.706.958.1086%81.9726/06/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.4 mTable area0.44 m²Headroom1.66 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity68 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity38 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004UIC Issued on 01/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org