Club Certificate2026
PATAN PRIMEROESP-11528_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 Angles46.7°44.1°42.3°41.5°40.5°40.3°39.8°41.4°45.5°
Beat VMG1.752.472.963.303.553.733.863.843.61
52°2.763.794.464.895.165.365.525.655.55
60°2.974.004.665.045.305.515.705.955.91
75°3.124.144.795.205.515.796.016.326.51
90°3.114.265.015.445.816.176.527.037.27
110°3.144.295.035.445.816.186.587.548.86
120°3.004.134.915.355.706.076.457.358.78
135°2.623.734.565.135.485.826.166.937.96
150°2.193.214.034.685.145.445.726.327.02
Run VMG1.902.783.494.064.524.905.225.736.27
Gybe Angles142.6°146.4°148.0°150.5°157.9°173.8°175.3°175.0°174.1°
APH ToD:757.1CDL: 4.662APH ToT: 0.7925CertNo:728701
BOAT
ClassSOMO 20DesignerBuilderTAYLORAge date01/1982Series date01/1975Offset fileE166.OFFData fileE11528_C
HULL
Length Overall5.499 mMaximum Beam2.378 mDraft1.080 mDisplacement693 kgDLR7.2481IMS DivisionPerformanceDynamic Allowance0.290%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail9.239.39Headsail Luffed10.4210.42Headsail FlyingSymmetricAsymmetric21.3121.31 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail2.80Storm Jib1.82Heavy Weather Jib4.91
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 18.7 kg·m Stability Index 118.6
COMMENTS
CASCO ESTIMADO
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  03510004U12 Issued on 24/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
PATAN PRIMEROESP-11528_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
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 VMG2061.21457.51216.81089.61014.4965.0931.6936.7996.4
52°1305.7949.4806.5735.9697.1671.7652.4637.1649.0
60°1211.2898.9772.8713.6679.5653.5631.5605.1609.4
75°1152.9869.3751.2692.4653.1622.1599.0569.2552.7
90°1157.6845.4718.4661.4619.1583.5551.9511.9495.1
110°1147.3839.2715.8661.5620.0582.3547.1477.4406.4
120°1200.0872.1732.8672.5631.1593.2557.9489.6410.0
135°1375.6966.1790.0702.3656.7618.9584.4519.3452.2
150°1643.71122.6893.7769.0701.0661.8629.2569.9512.7
Run VMG1898.01296.31032.0887.7796.7734.7689.1627.9574.6
Selected Courses
Windward / Leeward1979.61376.91124.4988.7905.5849.8810.3782.3785.5
All purpose1493.81061.8882.3791.3735.4695.5664.2627.8610.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward940.80.6378
All purpose757.10.7925
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance825.10.7271
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.5518
Downwind "popa"0.6926
70% up, 30% down "Ilhabela"0.5876
30% up, 70% down "Ilhabela-inverso"0.6433
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Predominantly Upwind824.60.7276
Predominantly Downwind763.40.7859
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP782.70.7665 Predom. Rc High582.91.0293 5B SF Bay L/M1034.30.5801 TriNum AP Low972.10.6172 Predom. Dn Low1158.00.5181 5B SF Bay Med889.90.6742 TriNum AP Med756.40.7932 Predom. Dn L/M861.60.6964 5B SF Bay M/H798.40.7515 TriNum AP High658.40.9113 Predom. Dn Med738.50.8125 5B SF Bay High766.50.7828 TriNum W/L Low1310.00.4580 Predom. Dn M/H652.90.9190 5B AP Low1070.40.5605 TriNum W/L Med937.50.6400 Predom. Dn High601.50.9976 5B AP L/M855.00.7018 TriNum W/L Hig809.70.7410 ChiMac Up Low1049.20.5719 5B AP Med744.30.8061 Predom. Upwind858.30.6991 ChiMac Up Med943.10.6362 5B AP M/H669.40.8963 Predom. Reaching742.60.8079 ChiMac Up High818.90.7326 5B AP High631.20.9506 Predom. Downwind795.10.7546 ChiMac Off Low999.40.6004 5B W/L Low1464.40.4097 Predom. Up Low1193.30.5028 ChiMac Off Med884.20.6786 5B W/L L/M1081.40.5548 Predom. Up L/M912.60.6575 ChiMac Off High745.50.8048 5B W/L Med920.30.6519 Predom. Up Med800.00.7500 ChiMac AP Low1018.60.5890 5B W/L M/H820.40.7313 Predom. Up M/H729.30.8227 ChiMac AP Med909.00.6601 5B W/L High787.70.7617 Predom. Up High705.80.8501 ChiMac AP High778.40.7708 W/L 60-40 Low1481.20.4051 Predom. Rc Low1040.50.5766 BayMac Cove Island1170.70.5125 W/L 60-40 L/M1100.70.5451 Predom. Rc L/M795.80.7540 BayMac Shore1161.60.5165 W/L 60-40 Med942.00.6370 Predom. Rc Med696.40.8616 Harvest Moon651.40.9212 W/L 60-40 M/H845.40.7097 Predom. Rc M/H624.80.9604 5B SF Bay Low1241.30.4833 W/L 60-40 High819.40.7322      SA/DSPL Up25.13SA/DSPL Dn39.06
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance825.10.7271
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance825.10.7271
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance825.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating825.10.7271
FinRating, kevyt tuuli1438.60.6951
FinRating, kova tuuli633.70.7890
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7271
Triple Number Coastal/Long Distance Low0.6172
Triple Number Coastal/Long Distance Medium0.7933
Triple Number Coastal/Long Distance High0.9113
Triple Number Windward/Leeward Low0.4798
Triple Number Windward/Leeward Medium0.6400
Triple Number Windward/Leeward High0.7410
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
For information
General Purpose Handicap (GPH)849.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance825.10.7271
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Saronikos S All Purpose877.80.6835
Saronikos S Upwind993.00.6042
Saronikos S Downwind728.30.8239
Saronikos N All Purpose912.00.6579
Saronikos N Upwind1031.10.5819
Saronikos N Downwind789.00.7605
Saronikos SW All Purpose879.50.6822
Saronikos SW Upwind1018.10.5893
Saronikos SW Downwind731.50.8202
Saronikos NE All Purpose934.40.6421
Saronikos NE Upwind959.20.6255
Saronikos NE Downwind876.60.6845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose782.70.7665
5-Band All Purpose Low1169.60.5130
5-Band All Purpose L/M883.40.6792
5-Band All Purpose Med766.20.7831
5-Band All Purpose M/H687.80.8723
5-Band All Purpose High650.40.9225
Single Number Predominant Upwind823.50.7286
Single Number Predominant Reaching715.80.8382
Single Number Predominant Downwind763.60.7858
5-Band 50-50 Windward/Leeward Low1464.40.4097
5-Band 50-50 Windward/Leeward L/M1081.40.5548
5-Band 50-50 Windward/Leeward Med920.30.6519
5-Band 50-50 Windward/Leeward M/H820.40.7313
5-Band 50-50 Windward/Leeward High787.70.7617
5-Band 60-40 Windward/Leeward Low1481.20.4051
5-Band 60-40 Windward/Leeward L/M1100.70.5451
5-Band 60-40 Windward/Leeward Med942.00.6370
5-Band 60-40 Windward/Leeward M/H845.40.7097
5-Band 60-40 Windward/Leeward High819.40.7322
Triple Number 50-50 Windward/Leeward Low1310.00.4580
Triple Number 50-50 Windward/Leeward Med937.70.6399
Triple Number 50-50 Windward/Leeward High809.70.7410
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward962.60.6233
Triple Number 60-40 Windward/Leeward Low1327.30.4520
Triple Number 60-40 Windward/Leeward Med959.00.6257
Triple Number 60-40 Windward/Leeward High836.10.7176
Triple Number All-Purpose Low1053.30.5696
Triple Number All-Purpose Med778.90.7703
Triple Number All-Purpose High676.90.8865
Triple Number Predominant Upwind Low1086.80.5521
Triple Number Predominant Upwind Med816.10.7352
Triple Number Predominant Upwind High727.40.8248
Triple Number Predominant Reaching Low947.60.6332
Triple Number Predominant Reaching Med721.10.8320
Triple Number Predominant Reaching High599.61.0007
Triple Number Predominant Downwind Low1037.90.5781
Triple Number Predominant Downwind Med751.40.7986
Triple Number Predominant Downwind High627.60.9561
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance825.10.7271
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance825.10.7271
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low972.1
Triple Number Coastal/Long Distance Medium756.3
Triple Number Coastal/Long Distance High658.4
Triple Number Windward/Leeward Low1250.5
Triple Number Windward/Leeward Medium937.5
Triple Number Windward/Leeward High809.7
Predominantly Upwind824.6
Predominantly Downwind763.4
Predominantly Reaching727.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance825.10.7271
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6172
Triple Number Coastal/Long Distance Medium0.7933
Triple Number Coastal/Long Distance High0.9113
Triple Number Windward/Leeward Low0.4798
Triple Number Windward/Leeward Medium0.6400
Triple Number Windward/Leeward High0.7410
Coastal/Long Distance0.7271
Predominantly Upwind0.7276
Predominantly Downwind0.7859
For information
General Purpose Handicap (GPH)849.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.7925
Distanseseilas Trippeltall svak vind0.6172
Distanseseilas Trippeltall mellomvind0.7933
Distanseseilas Trippeltall sterk vind0.9113
Pølsebane Trippeltall svak vind0.4798
Pølsebane Trippeltall mellomvind0.6400
Pølsebane Trippeltall sterk vind0.7410
Motvind Singeltall0.7276
Medvind Singeltall0.7859
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Coastal/Long Distance825.10.7271
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind824.60.7276
Predominantly Downwind763.40.7859
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore784.50.7648
Cape Doctor Coastal615.90.9741
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6172
Triple Number Coastal/Long Distance Medium0.7933
Triple Number Coastal/Long Distance High0.9113
Triple Number Windward/Leeward Low0.4798
Triple Number Windward/Leeward Medium0.6400
Triple Number Windward/Leeward High0.7410
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6172
Triple Number Coastal/Long Distance Medium0.7933
Triple Number Coastal/Long Distance High0.9113
Triple Number Windward/Leeward Low0.4798
Triple Number Windward/Leeward Medium0.6400
Triple Number Windward/Leeward High0.7410
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance825.10.7271
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Predominantly Upwind824.60.7276
Predominantly Downwind763.40.7859
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance825.10.7271
Triple Number Coastal/Long Distance Low972.10.6172
Triple Number Coastal/Long Distance Medium756.30.7933
Triple Number Coastal/Long Distance High658.40.9113
Triple Number Windward/Leeward Low1250.50.4798
Triple Number Windward/Leeward Medium937.50.6400
Triple Number Windward/Leeward High809.70.7410
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1971.41368.81055.4890.6787.5723.5670.3589.5562.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP782.70.7665 Predom. Dn High601.50.9976 5B AP M/H669.40.8963 TriNum AP Low972.10.6172 Predom. Rc Low1040.50.5766 5B AP High631.20.9506 TriNum AP Med756.40.7932 Predom. Rc L/M795.80.7540 5B SF Bay Low1241.30.4833 TriNum AP High658.40.9113 Predom. Rc Med696.40.8616 5B SF Bay L/M1034.30.5801 TriNum W/L Low1310.00.4580 Predom. Rc M/H624.80.9604 5B SF Bay Med889.90.6742 TriNum W/L Med937.50.6400 Predom. Rc High582.91.0293 5B SF Bay M/H798.40.7515 TriNum W/L Hig809.70.7410 5B W/L Low1464.40.4097 5B SF Bay High766.50.7828 Predom. Upwind858.30.6991 5B W/L L/M1081.40.5548 ChiMac Up Low1049.20.5719 Predom. Reaching742.60.8079 5B W/L Med920.30.6519 ChiMac Up Med943.10.6362 Predom. Downwind795.10.7546 5B W/L M/H820.40.7313 ChiMac Up High818.90.7326 Predom. Up Low1193.30.5028 5B W/L High787.70.7617 ChiMac Off Low999.40.6004 Predom. Up L/M912.60.6575 W/L 60-40 Low1481.20.4051 ChiMac Off Med884.20.6786 Predom. Up Med800.00.7500 W/L 60-40 L/M1100.70.5451 ChiMac Off High745.50.8048 Predom. Up M/H729.30.8227 W/L 60-40 Med942.00.6370 ChiMac AP Low1018.60.5890 Predom. Up High705.80.8501 W/L 60-40 M/H845.40.7097 ChiMac AP Med909.00.6601 Predom. Dn Low1158.00.5181 W/L 60-40 High819.40.7322 ChiMac AP High778.40.7708 Predom. Dn L/M861.60.6964 5B AP Low1070.40.5605 BayMac Cove Island1170.70.5125 Predom. Dn Med738.50.8125 5B AP L/M855.00.7018 BayMac Shore1161.60.5165 Predom. Dn M/H652.90.9190 5B AP Med744.30.8061 Harvest Moon651.40.9212      SA/DSPL Up25.13SA/DSPL Dn39.06
ORC Ref  03510004U12 Issued on 24/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
PATAN PRIMEROESP-11528_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSOMO 20MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall5.499Maximum beam2.378Draft1.080Displacement693Wetted area7.04IMS L4.990LSM04.571Accomod. length5.499Sink (kg/mm) 5.67
VCGD-0.350VCGM-0.339 RM Rated (kg·m) 18.7Limit of positive stability(°) 128.1 Stability Index 118.6 BLR index 0.0000Default crew weight225 Declared crew weight 450
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P6.790IG6.030ISP6.430MDT10.078MDL10.080MDT20.058MDL20.075TL1.232MW0.080GO0.080
E2.350J2.200BAS0.950FSD0.040SFJ0.000SPLWPLTPS2.300BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered20.0Flotation Date01/01/2010
SFFP0.310FFMFF0.796LCFcl2.961SG
SAFP5.445FAMFA0.757LCFsh3.175HBI0.770
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510004U12 Issued on 24/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
PATAN PRIMEROESP-11528_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.100.480.841.441.939.2320/06/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.060.420.781.592.463.356.36NoNo 10.4220/06/2026
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment16.46NaN21.31
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  03510004U12 Issued on 24/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org