International Certificate2026
FaroEST 750
Eesti Purjetamise Liit
Masti 16
11911 Tallinn
Estonia
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°43.3°41.1°39.7°38.6°38.3°38.2°38.6°39.9°
Beat VMG2.303.294.004.494.734.834.894.914.81
52°3.605.015.936.476.726.836.906.966.95
60°3.875.276.166.656.907.037.117.207.21
75°4.055.446.336.797.087.307.457.637.71
90°3.935.406.446.977.317.537.698.038.25
110°3.865.416.487.057.497.898.288.869.33
120°3.705.216.306.937.387.828.289.3510.32
135°3.214.655.786.617.107.547.999.0910.86
150°2.653.905.015.986.697.147.558.459.76
Run VMG2.293.384.345.195.946.516.957.708.57
Gybe Angles137.4°145.7°150.1°152.3°159.7°167.8°175.9°176.8°164.9°
APH ToD:584.1CDL: 8.184APH ToT: 1.0273CertNo:236/21
BOAT
ClassRIDAS 31DesignerDIETER BLANKBuilderRIDAS JAHTAge date06/2012Series date06/2012Offset fileRidas31-EST750.offData fileEST700
HULL
Length Overall9.278 mMaximum Beam3.114 mDraft1.983 mDisplacement3,444 kgDLR5.7247IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.455%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.407m
CREW
Maximum weight500 kg(declared)Minimum weight370 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.4531.20Headsail Luffed21.9621.96Headsail FlyingSymmetric65.0865.08Asymmetric49.4749.58 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail8.76Storm Jib6.88Heavy Weather Jib18.57
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 68.0 kg·m Stability Index 123.2
COMMENTS
ex Helin EST700
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  04340004VR4 Issued on 29/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
FaroEST 750
Eesti Purjetamise Liit
Masti 16
11911 Tallinn
Estonia
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 VMG1565.21095.1899.1801.3760.4745.0736.8733.3748.3
52°999.0719.0607.1556.3535.5527.0522.0517.1518.2
60°931.1682.6584.0541.4521.7511.9506.4500.0499.4
75°888.8661.5568.9530.1508.2493.2483.3471.9466.9
90°916.8666.2559.3516.3492.3478.1468.2448.3436.1
110°932.3665.6555.8510.4480.8456.1434.8406.3385.7
120°971.8690.6571.0519.2487.7460.5435.0385.1349.0
135°1120.6773.7622.6544.9506.9477.7450.5396.1331.6
150°1360.7922.5718.0602.2538.0504.3477.1425.9368.9
Run VMG1571.21065.2828.9693.9606.3553.1518.1467.3420.0
Selected Courses
Windward / Leeward1568.21080.1864.0747.6683.4649.0627.4600.3584.2
All purpose1181.5829.5678.0602.8562.9540.2523.7498.5480.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward717.50.8362
All purpose584.11.0273
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.70.9438
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7278
Downwind "popa"0.8874
70% up, 30% down "Ilhabela"0.7693
30% up, 70% down "Ilhabela-inverso"0.8326
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Predominantly Upwind633.60.9470
Predominantly Downwind591.71.0141
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP608.70.9857 Predom. Rc High470.91.2742 5B SF Bay L/M789.10.7604 TriNum AP Low753.70.7960 Predom. Dn Low924.30.6492 5B SF Bay Med676.40.8871 TriNum AP Med580.21.0341 Predom. Dn L/M672.60.8921 5B SF Bay M/H616.90.9726 TriNum AP High518.41.1574 Predom. Dn Med570.11.0524 5B SF Bay High588.91.0189 TriNum W/L Low1020.00.5882 Predom. Dn M/H507.51.1823 5B AP Low841.40.7131 TriNum W/L Med711.20.8436 Predom. Dn High467.21.2843 5B AP L/M656.80.9135 TriNum W/L Hig622.70.9636 ChiMac Up Low802.60.7476 5B AP Med572.11.0488 Predom. Upwind661.50.9071 ChiMac Up Med723.10.8298 5B AP M/H525.51.1417 Predom. Reaching582.41.0303 ChiMac Up High631.50.9501 5B AP High499.71.2008 Predom. Downwind620.00.9678 ChiMac Off Low789.30.7602 5B W/L Low1148.10.5226 Predom. Up Low917.50.6539 ChiMac Off Med693.10.8656 5B W/L L/M828.10.7245 Predom. Up L/M692.90.8659 ChiMac Off High579.41.0356 5B W/L Med698.70.8587 Predom. Up Med613.00.9787 ChiMac AP Low791.90.7577 5B W/L M/H631.20.9506 Predom. Up M/H576.21.0413 ChiMac AP Med705.20.8509 5B W/L High602.20.9963 Predom. Up High560.11.0713 ChiMac AP High603.60.9941 W/L 60-40 Low1151.20.5212 Predom. Rc Low817.80.7336 BayMac Cove Island914.80.6559 W/L 60-40 L/M837.10.7168 Predom. Rc L/M616.70.9729 BayMac Shore907.00.6615 W/L 60-40 Med713.80.8406 Predom. Rc Med542.11.1067 Harvest Moon510.41.1755 W/L 60-40 M/H652.90.9190 Predom. Rc M/H499.41.2015 5B SF Bay Low962.60.6233 W/L 60-40 High629.10.9538      SA/DSPL Up22.89SA/DSPL Dn41.72
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.70.9438
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.70.9438
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance635.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating635.70.9438
FinRating, kevyt tuuli1131.60.8837
FinRating, kova tuuli501.20.9977
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9438
Triple Number Coastal/Long Distance Low0.7960
Triple Number Coastal/Long Distance Medium1.0342
Triple Number Coastal/Long Distance High1.1574
Triple Number Windward/Leeward Low0.6172
Triple Number Windward/Leeward Medium0.8436
Triple Number Windward/Leeward High0.9636
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
For information
General Purpose Handicap (GPH)656.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.70.9438
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Saronikos S All Purpose665.80.9012
Saronikos S Upwind751.80.7981
Saronikos S Downwind563.11.0656
Saronikos N All Purpose702.80.8537
Saronikos N Upwind787.00.7624
Saronikos N Downwind619.50.9685
Saronikos SW All Purpose670.70.8946
Saronikos SW Upwind772.40.7768
Saronikos SW Downwind571.81.0493
Saronikos NE All Purpose730.10.8218
Saronikos NE Upwind740.00.8108
Saronikos NE Downwind698.20.8593
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose608.70.9857
5-Band All Purpose Low916.40.6547
5-Band All Purpose L/M680.30.8819
5-Band All Purpose Med590.11.0168
5-Band All Purpose M/H540.91.1092
5-Band All Purpose High513.31.1689
Single Number Predominant Upwind632.10.9492
Single Number Predominant Reaching558.61.0741
Single Number Predominant Downwind592.71.0124
5-Band 50-50 Windward/Leeward Low1148.10.5226
5-Band 50-50 Windward/Leeward L/M828.10.7245
5-Band 50-50 Windward/Leeward Med698.70.8587
5-Band 50-50 Windward/Leeward M/H631.20.9506
5-Band 50-50 Windward/Leeward High602.20.9963
5-Band 60-40 Windward/Leeward Low1151.20.5212
5-Band 60-40 Windward/Leeward L/M837.10.7168
5-Band 60-40 Windward/Leeward Med713.80.8406
5-Band 60-40 Windward/Leeward M/H652.90.9190
5-Band 60-40 Windward/Leeward High629.10.9538
Triple Number 50-50 Windward/Leeward Low1020.00.5882
Triple Number 50-50 Windward/Leeward Med711.30.8435
Triple Number 50-50 Windward/Leeward High622.70.9636
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward732.50.8191
Triple Number 60-40 Windward/Leeward Low1024.90.5854
Triple Number 60-40 Windward/Leeward Med725.40.8271
Triple Number 60-40 Windward/Leeward High645.60.9293
Triple Number All-Purpose Low820.60.7312
Triple Number All-Purpose Med598.71.0022
Triple Number All-Purpose High533.41.1249
Triple Number Predominant Upwind Low833.60.7198
Triple Number Predominant Upwind Med622.80.9633
Triple Number Predominant Upwind High577.91.0382
Triple Number Predominant Reaching Low740.30.8105
Triple Number Predominant Reaching Med558.51.0743
Triple Number Predominant Reaching High482.91.2425
Triple Number Predominant Downwind Low821.80.7301
Triple Number Predominant Downwind Med580.71.0333
Triple Number Predominant Downwind High486.31.2337
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.70.9438
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.70.9438
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low753.8
Triple Number Coastal/Long Distance Medium580.2
Triple Number Coastal/Long Distance High518.4
Triple Number Windward/Leeward Low972.1
Triple Number Windward/Leeward Medium711.2
Triple Number Windward/Leeward High622.7
Predominantly Upwind633.6
Predominantly Downwind591.7
Predominantly Reaching567.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.70.9438
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7960
Triple Number Coastal/Long Distance Medium1.0342
Triple Number Coastal/Long Distance High1.1574
Triple Number Windward/Leeward Low0.6172
Triple Number Windward/Leeward Medium0.8436
Triple Number Windward/Leeward High0.9636
Coastal/Long Distance0.9438
Predominantly Upwind0.9470
Predominantly Downwind1.0141
For information
General Purpose Handicap (GPH)656.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0273
Distanseseilas Trippeltall svak vind0.7960
Distanseseilas Trippeltall mellomvind1.0342
Distanseseilas Trippeltall sterk vind1.1574
Pølsebane Trippeltall svak vind0.6172
Pølsebane Trippeltall mellomvind0.8436
Pølsebane Trippeltall sterk vind0.9636
Motvind Singeltall0.9470
Medvind Singeltall1.0141
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Coastal/Long Distance635.70.9438
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind633.60.9470
Predominantly Downwind591.71.0141
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore589.01.0187
Cape Doctor Coastal485.51.2357
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7960
Triple Number Coastal/Long Distance Medium1.0342
Triple Number Coastal/Long Distance High1.1574
Triple Number Windward/Leeward Low0.6172
Triple Number Windward/Leeward Medium0.8436
Triple Number Windward/Leeward High0.9636
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7960
Triple Number Coastal/Long Distance Medium1.0342
Triple Number Coastal/Long Distance High1.1574
Triple Number Windward/Leeward Low0.6172
Triple Number Windward/Leeward Medium0.8436
Triple Number Windward/Leeward High0.9636
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.70.9438
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Predominantly Upwind633.60.9470
Predominantly Downwind591.71.0141
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance635.70.9438
Triple Number Coastal/Long Distance Low753.80.7960
Triple Number Coastal/Long Distance Medium580.21.0342
Triple Number Coastal/Long Distance High518.41.1574
Triple Number Windward/Leeward Low972.10.6172
Triple Number Windward/Leeward Medium711.20.8436
Triple Number Windward/Leeward High622.70.9636
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1568.51078.6812.8676.3600.4561.0529.2473.6453.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP608.70.9857 Predom. Dn High467.21.2843 5B AP M/H525.51.1417 TriNum AP Low753.70.7960 Predom. Rc Low817.80.7336 5B AP High499.71.2008 TriNum AP Med580.21.0341 Predom. Rc L/M616.70.9729 5B SF Bay Low962.60.6233 TriNum AP High518.41.1574 Predom. Rc Med542.11.1067 5B SF Bay L/M789.10.7604 TriNum W/L Low1020.00.5882 Predom. Rc M/H499.41.2015 5B SF Bay Med676.40.8871 TriNum W/L Med711.20.8436 Predom. Rc High470.91.2742 5B SF Bay M/H616.90.9726 TriNum W/L Hig622.70.9636 5B W/L Low1148.10.5226 5B SF Bay High588.91.0189 Predom. Upwind661.50.9071 5B W/L L/M828.10.7245 ChiMac Up Low802.60.7476 Predom. Reaching582.41.0303 5B W/L Med698.70.8587 ChiMac Up Med723.10.8298 Predom. Downwind620.00.9678 5B W/L M/H631.20.9506 ChiMac Up High631.50.9501 Predom. Up Low917.50.6539 5B W/L High602.20.9963 ChiMac Off Low789.30.7602 Predom. Up L/M692.90.8659 W/L 60-40 Low1151.20.5212 ChiMac Off Med693.10.8656 Predom. Up Med613.00.9787 W/L 60-40 L/M837.10.7168 ChiMac Off High579.41.0356 Predom. Up M/H576.21.0413 W/L 60-40 Med713.80.8406 ChiMac AP Low791.90.7577 Predom. Up High560.11.0713 W/L 60-40 M/H652.90.9190 ChiMac AP Med705.20.8509 Predom. Dn Low924.30.6492 W/L 60-40 High629.10.9538 ChiMac AP High603.60.9941 Predom. Dn L/M672.60.8921 5B AP Low841.40.7131 BayMac Cove Island914.80.6559 Predom. Dn Med570.11.0524 5B AP L/M656.80.9135 BayMac Shore907.00.6615 Predom. Dn M/H507.51.1823 5B AP Med572.11.0488 Harvest Moon510.41.1755      SA/DSPL Up22.89SA/DSPL Dn41.72
ORC Ref  04340004VR4 Issued on 29/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
FaroEST 750
Eesti Purjetamise Liit
Masti 16
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassRIDAS 31Measurement12/05/2014HINEERDJR3109E112Plan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.278Maximum beam3.114Draft1.983Displacement3,444Wetted area19.46IMS L8.656LSM08.441Accomod. length9.278Sink (kg/mm) 13.84
VCGD-0.042VCGM-0.099 RM Rated (kg·m) 68.0Limit of positive stability(°) 125.2 Stability Index 123.2 BLR index 0.0000Default crew weight541 Declared crew weight 500
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.407PBW0.095PIPA0.0031
EDL1.670ST10.041ST20.180
ST30.180ST40.110ST50.220
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P11.630IG11.660ISP11.670MDT10.093MDL10.175MDT20.093MDL20.125TL1.750MW0.175GO0.194
E4.300J3.350BAS1.500FSD0.035SFJSPL3.480WPLTPS4.030BDMWT116.00MCG4.430
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date27/06/2024MeasurerEST7
SFFP0.362FFM1.106FF1.112LCFcl5.153SG1.0000
SAFP8.945FAM0.897FA0.906LCFsh5.368HBI1.034
W146.6W246.6W346.6W446.6
PD1545.2PD2544.6PD3545.7PD4545.5
WD10.050PLM9000.00GSA1.0RSA1.0RM67.6
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1St. steel centerFuel55207.352Bag under the sinkWater10005.35Total deductible177.35
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery100ah, Port6.752Battery140ah. starborad4.853Engine (IC)YanmarTotal deductible
ORC Ref  04340004VR4 Issued on 29/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
FaroEST 750
Eesti Purjetamise Liit
Masti 16
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment3a0.371.021.722.833.6030.4504/05/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment3a0.110.661.242.122.803.4511.22YesNo 21.9604/05/20255a0.100.621.192.082.733.4211.13NoNo 21.3002/02/20232b0.100.500.941.792.603.3711.17YesNo 19.6102/05/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment411.6011.6011.606.826.3865.0804/05/2025Orange "Dipperfox"1a11.4811.4311.466.296.0759.6210/05/2023Roosa2a11.4311.4411.446.206.1258.9310/05/2023H.Sinine3a11.4211.4611.446.225.9358.7402/05/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment112.2410.9511.604.965.7686%49.4705/07/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04340004VR4 Issued on 29/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org