International Certificate2026
MIZAR 2.0ITA-15831
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 Angles45.5°42.8°40.4°38.8°38.0°37.8°37.7°38.5°40.3°
Beat VMG2.443.474.194.644.824.914.954.974.84
52°3.815.256.146.616.816.896.957.016.98
60°4.085.516.356.786.997.097.167.237.23
75°4.275.726.576.927.197.377.487.637.68
90°4.435.966.777.177.417.587.718.018.18
110°4.285.906.847.347.728.008.298.839.23
120°4.145.766.757.297.758.208.639.3310.29
135°3.675.196.326.977.457.968.5310.0912.00
150°3.034.385.496.396.967.377.818.9011.09
Run VMG2.633.794.765.546.156.717.147.979.60
Gybe Angles139.5°143.2°147.5°150.8°158.5°173.6°177.2°176.6°143.3°
APH ToD:564.3CDL: 8.355APH ToT: 1.0633CertNo:26/1
BOAT
ClassEste 31 mod.DesignerFrersBuilderCantieri d'EsteAge date11/2007Series date11/2007Offset fileI15831A.offData fileI15831
HULL
Length Overall9.528Maximum Beam3.156Draft2.166Displacement3,257DLR5.5526IMS DivisionCruiser/RacerDynamic Allowance0.120%Age Allowance0.618%RS Assessment-0.178%
PROPELLER
InstallationStrutTypeFeathering 2 bladesDiameter0.390m
CREW
Maximum weight560(declared)Minimum weight430 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.3931.14Headsail Luffed23.3523.35Headsail FlyingSymmetric67.4967.49Asymmetric85.0585.05 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail8.75Storm Jib7.33Heavy Weather Jib19.77
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric may be tacked on the pole
STABILITY
Righting Moment 60.6 Stability Index 113.7
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  03190004IEH Issued on 20/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
MIZAR 2.0ITA-15831
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 VMG1472.71038.1858.4775.8746.3733.7726.7724.4743.2
52°943.7685.8586.2544.5528.9522.2517.8513.8515.8
60°882.1653.5566.6530.7515.0507.8503.0497.8498.1
75°843.6629.3547.6520.1500.7488.5481.1472.0468.7
90°811.9604.2532.0502.3485.6475.2466.7449.4440.0
110°841.3610.1526.1490.7466.5450.3434.2407.7389.9
120°869.2625.3533.0494.0464.3438.9417.1385.8349.9
135°982.3693.7569.9516.2483.1452.4422.0356.6299.9
150°1187.7822.5655.5563.3517.6488.3460.7404.3324.6
Run VMG1371.4949.7756.9650.0585.2536.8503.9451.8374.8
Selected Courses
Windward / Leeward1422.1993.9807.7712.9665.8635.3615.3588.1559.0
All purpose1074.8765.5638.5579.1548.7529.3514.1489.3467.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward690.80.8686
All purpose564.31.0633
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance612.20.9800
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7495
Downwind "popa"0.9471
70% up, 30% down "Ilhabela"0.7996
30% up, 70% down "Ilhabela-inverso"0.8777
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Predominantly Upwind614.40.9766
Predominantly Downwind563.91.0640
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP585.41.0249 Predom. Rc High458.31.3093 5B SF Bay L/M745.80.8045 TriNum AP Low702.00.8547 Predom. Dn Low835.80.7179 5B SF Bay Med654.40.9169 TriNum AP Med561.51.0686 Predom. Dn L/M629.80.9527 5B SF Bay M/H602.90.9951 TriNum AP High508.61.1797 Predom. Dn Med548.21.0944 5B SF Bay High573.71.0458 TriNum W/L Low943.40.6360 Predom. Dn M/H491.01.2219 5B AP Low774.10.7751 TriNum W/L Med685.70.8750 Predom. Dn High447.51.3409 5B AP L/M623.00.9631 TriNum W/L Hig610.10.9835 ChiMac Up Low759.00.7905 5B AP Med555.11.0810 Predom. Upwind638.80.9393 ChiMac Up Med691.70.8675 5B AP M/H515.41.1641 Predom. Reaching556.81.0776 ChiMac Up High612.90.9790 5B AP High489.81.2249 Predom. Downwind586.01.0239 ChiMac Off Low726.70.8256 5B W/L Low1054.40.5691 Predom. Up Low856.30.7007 ChiMac Off Med647.80.9261 5B W/L L/M780.70.7685 Predom. Up L/M662.70.9053 ChiMac Off High551.41.0882 5B W/L Med676.00.8876 Predom. Up Med598.11.0031 ChiMac AP Low739.10.8119 5B W/L M/H618.30.9704 Predom. Up M/H566.71.0588 ChiMac AP Med667.20.8993 5B W/L High587.81.0208 Predom. Up High550.81.0893 ChiMac AP High580.81.0331 W/L 60-40 Low1063.90.5640 Predom. Rc Low747.50.8027 BayMac Cove Island847.60.7079 W/L 60-40 L/M792.40.7572 Predom. Rc L/M584.31.0269 BayMac Shore841.00.7134 W/L 60-40 Med692.20.8669 Predom. Rc Med526.01.1406 Harvest Moon495.41.2110 W/L 60-40 M/H640.50.9368 Predom. Rc M/H487.61.2304 5B SF Bay Low892.10.6726 W/L 60-40 High615.80.9743      SA/DSPL Up24.36SA/DSPL Dn52.33
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance612.20.9800
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance612.20.9800
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance612.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating612.20.9800
FinRating, kevyt tuuli1036.00.9653
FinRating, kova tuuli491.71.0169
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9800
Triple Number Coastal/Long Distance Low0.8547
Triple Number Coastal/Long Distance Medium1.0687
Triple Number Coastal/Long Distance High1.1797
Triple Number Windward/Leeward Low0.6661
Triple Number Windward/Leeward Medium0.8750
Triple Number Windward/Leeward High0.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
For information
General Purpose Handicap (GPH)628.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance612.20.9800
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Saronikos S All Purpose638.10.9403
Saronikos S Upwind724.30.8284
Saronikos S Downwind528.51.1353
Saronikos N All Purpose671.40.8937
Saronikos N Upwind755.40.7943
Saronikos N Downwind577.81.0385
Saronikos SW All Purpose637.60.9411
Saronikos SW Upwind738.50.8124
Saronikos SW Downwind533.41.1248
Saronikos NE All Purpose689.00.8709
Saronikos NE Upwind707.40.8482
Saronikos NE Downwind640.80.9363
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose585.41.0249
5-Band All Purpose Low841.40.7131
5-Band All Purpose L/M644.20.9314
5-Band All Purpose Med572.11.0487
5-Band All Purpose M/H528.71.1349
5-Band All Purpose High499.91.2004
Single Number Predominant Upwind613.10.9786
Single Number Predominant Reaching537.91.1154
Single Number Predominant Downwind564.91.0622
5-Band 50-50 Windward/Leeward Low1054.40.5691
5-Band 50-50 Windward/Leeward L/M780.70.7685
5-Band 50-50 Windward/Leeward Med676.00.8876
5-Band 50-50 Windward/Leeward M/H618.30.9704
5-Band 50-50 Windward/Leeward High587.81.0208
5-Band 60-40 Windward/Leeward Low1063.90.5640
5-Band 60-40 Windward/Leeward L/M792.40.7572
5-Band 60-40 Windward/Leeward Med692.20.8669
5-Band 60-40 Windward/Leeward M/H640.50.9368
5-Band 60-40 Windward/Leeward High615.80.9743
Triple Number 50-50 Windward/Leeward Low943.40.6360
Triple Number 50-50 Windward/Leeward Med685.80.8749
Triple Number 50-50 Windward/Leeward High610.10.9835
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward707.10.8485
Triple Number 60-40 Windward/Leeward Low953.20.6294
Triple Number 60-40 Windward/Leeward Med701.10.8558
Triple Number 60-40 Windward/Leeward High633.60.9470
Triple Number All-Purpose Low760.10.7894
Triple Number All-Purpose Med579.01.0363
Triple Number All-Purpose High521.01.1516
Triple Number Predominant Upwind Low781.70.7675
Triple Number Predominant Upwind Med605.90.9902
Triple Number Predominant Upwind High569.61.0533
Triple Number Predominant Reaching Low684.60.8764
Triple Number Predominant Reaching Med540.81.1094
Triple Number Predominant Reaching High471.01.2738
Triple Number Predominant Downwind Low751.30.7986
Triple Number Predominant Downwind Med556.31.0786
Triple Number Predominant Downwind High468.21.2815
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance612.20.9800
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance612.20.9800
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low702.0
Triple Number Coastal/Long Distance Medium561.4
Triple Number Coastal/Long Distance High508.6
Triple Number Windward/Leeward Low900.8
Triple Number Windward/Leeward Medium685.7
Triple Number Windward/Leeward High610.1
Predominantly Upwind614.4
Predominantly Downwind563.9
Predominantly Reaching544.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance612.20.9800
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8547
Triple Number Coastal/Long Distance Medium1.0687
Triple Number Coastal/Long Distance High1.1797
Triple Number Windward/Leeward Low0.6661
Triple Number Windward/Leeward Medium0.8750
Triple Number Windward/Leeward High0.9835
Coastal/Long Distance0.9800
Predominantly Upwind0.9766
Predominantly Downwind1.0640
For information
General Purpose Handicap (GPH)628.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0633
Distanseseilas Trippeltall svak vind0.8547
Distanseseilas Trippeltall mellomvind1.0687
Distanseseilas Trippeltall sterk vind1.1797
Pølsebane Trippeltall svak vind0.6661
Pølsebane Trippeltall mellomvind0.8750
Pølsebane Trippeltall sterk vind0.9835
Motvind Singeltall0.9766
Medvind Singeltall1.0640
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Coastal/Long Distance612.20.9800
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind614.40.9766
Predominantly Downwind563.91.0640
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore567.71.0568
Cape Doctor Coastal474.01.2659
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8547
Triple Number Coastal/Long Distance Medium1.0687
Triple Number Coastal/Long Distance High1.1797
Triple Number Windward/Leeward Low0.6661
Triple Number Windward/Leeward Medium0.8750
Triple Number Windward/Leeward High0.9835
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8547
Triple Number Coastal/Long Distance Medium1.0687
Triple Number Coastal/Long Distance High1.1797
Triple Number Windward/Leeward Low0.6661
Triple Number Windward/Leeward Medium0.8750
Triple Number Windward/Leeward High0.9835
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance612.20.9800
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Predominantly Upwind614.40.9766
Predominantly Downwind563.91.0640
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance612.20.9800
Triple Number Coastal/Long Distance Low702.00.8547
Triple Number Coastal/Long Distance Medium561.41.0687
Triple Number Coastal/Long Distance High508.61.1797
Triple Number Windward/Leeward Low900.80.6661
Triple Number Windward/Leeward Medium685.70.8750
Triple Number Windward/Leeward High610.10.9835
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1417.0989.5760.5646.7584.8548.9518.8468.8444.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP585.41.0249 Predom. Dn High447.51.3409 5B AP M/H515.41.1641 TriNum AP Low702.00.8547 Predom. Rc Low747.50.8027 5B AP High489.81.2249 TriNum AP Med561.51.0686 Predom. Rc L/M584.31.0269 5B SF Bay Low892.10.6726 TriNum AP High508.61.1797 Predom. Rc Med526.01.1406 5B SF Bay L/M745.80.8045 TriNum W/L Low943.40.6360 Predom. Rc M/H487.61.2304 5B SF Bay Med654.40.9169 TriNum W/L Med685.70.8750 Predom. Rc High458.31.3093 5B SF Bay M/H602.90.9951 TriNum W/L Hig610.10.9835 5B W/L Low1054.40.5691 5B SF Bay High573.71.0458 Predom. Upwind638.80.9393 5B W/L L/M780.70.7685 ChiMac Up Low759.00.7905 Predom. Reaching556.81.0776 5B W/L Med676.00.8876 ChiMac Up Med691.70.8675 Predom. Downwind586.01.0239 5B W/L M/H618.30.9704 ChiMac Up High612.90.9790 Predom. Up Low856.30.7007 5B W/L High587.81.0208 ChiMac Off Low726.70.8256 Predom. Up L/M662.70.9053 W/L 60-40 Low1063.90.5640 ChiMac Off Med647.80.9261 Predom. Up Med598.11.0031 W/L 60-40 L/M792.40.7572 ChiMac Off High551.41.0882 Predom. Up M/H566.71.0588 W/L 60-40 Med692.20.8669 ChiMac AP Low739.10.8119 Predom. Up High550.81.0893 W/L 60-40 M/H640.50.9368 ChiMac AP Med667.20.8993 Predom. Dn Low835.80.7179 W/L 60-40 High615.80.9743 ChiMac AP High580.81.0331 Predom. Dn L/M629.80.9527 5B AP Low774.10.7751 BayMac Cove Island847.60.7079 Predom. Dn Med548.21.0944 5B AP L/M623.00.9631 BayMac Shore841.00.7134 Predom. Dn M/H491.01.2219 5B AP Med555.11.0810 Harvest Moon495.41.2110      SA/DSPL Up24.36SA/DSPL Dn52.33
ORC Ref  03190004IEH Issued on 20/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
MIZAR 2.0ITA-15831
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)
ClassEste 31 mod.Measurement18/03/2024HINPlan reviewHull constructionCarbonCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall9.528Maximum beam3.156Draft2.166Displacement3,257Wetted area18.50IMS L8.703LSM08.370Accomod. length9.528Sink (kg/mm) 13.68
VCGD-0.098VCGM0.012 RM Rated (kg·m) 60.6Limit of positive stability(°) 117.0 Stability Index 113.7 BLR index 0.0000Default crew weight534 Declared crew weight 560
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.390PBW0.140PIPA0.0032
EDL1.752ST10.042ST20.180
ST30.180ST40.112ST50.267
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.100IG12.050ISP12.760MDT10.115MDL10.190MDT20.110MDL20.150TL1.350MW0.190GO0.205
E4.130J3.600BAS1.820FSD0.027SFJSPL3.650WPLTPS5.050BD0.240MWT105.90MCG4.580
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date22/05/2017MeasurerFIV-124
SFFP0.553FFM1.160FF1.166LCFcl5.206SG1.0020
SAFP8.561FAM0.921FA0.928LCFsh5.434HBI1.014
W140.0W240.0W340.0W440.0
PD1527.7PD2524.7PD3526.0PD4517.4
WD10.000PLM9000.00GSA1.0RSA1.0RM60.1
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGCpvc0.900060157.000.00Bpvc10004.400.00Apvc10004.400.00Total deductible147.000.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGBBattery80 Ah05.200.00ABattery60 Ah05.200.00AEngine (IC)YanmarTotal deductible0
ORC Ref  03190004IEH Issued on 20/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
MIZAR 2.0ITA-15831
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentE0.281.011.702.693.4430.3918/03/2024D0.220.861.502.573.4429.3009/09/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentE0.090.591.092.062.893.6411.91YesNo 23.3509/09/2020D0.110.611.122.042.893.6611.73YesNo 23.0809/09/2020F0.170.731.262.052.763.5411.65YesNo 22.8618/03/2024H0.090.540.991.792.593.3711.24NoNo 19.8505/04/2025J1I0.070.400.791.582.483.4111.75NoNo 19.3915/11/2017G0.070.440.851.662.443.2311.29NoInner 18.5625/03/2023staysail
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentG11.5411.5411.547.017.0567.4910/04/2021F12.1812.1812.186.556.5766.5209/09/2020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentB13.9811.9312.967.997.43108%85.0518/03/2024A1C14.2210.9512.597.817.71101%81.7018/03/2024A2D12.4511.5211.995.437.1676%57.6922/06/2021
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.5 mTable area0.44 m²Headroom1.67 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity70 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity40 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004IEH Issued on 20/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org