Club Certificate2026
CALM DAYSESP-631_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 Angles44.3°41.6°39.7°38.3°36.9°36.6°36.6°37.4°38.9°
Beat VMG2.112.973.543.954.224.354.394.394.33
52°3.264.435.165.585.835.996.066.136.14
60°3.474.635.335.715.966.156.266.366.39
75°3.624.765.465.836.116.356.546.766.86
90°3.544.815.606.036.336.516.697.137.42
110°3.534.835.646.086.476.847.197.668.06
120°3.384.655.516.006.406.807.228.178.96
135°2.954.195.125.756.166.566.978.029.74
150°2.453.604.565.335.856.226.607.438.70
Run VMG2.123.123.964.685.295.756.116.807.63
Gybe Angles142.4°148.2°152.8°158.2°165.5°175.4°177.7°177.2°163.6°
APH ToD:663.4CDL: 6.198APH ToT: 0.9044CertNo:63101
BOAT
ClassFIRST 235 MODDesignerBERRETBuilderBENETEAUAge date01/1987Series date12/1986Offset fileFIRST235-E631.offData fileE631_C
HULL
Length Overall6.578Maximum Beam2.488Draft1.878Displacement1,336DLR5.7009IMS DivisionSportboatDynamic Allowance0.180%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight250(declared)Minimum weight130 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.0017.61Headsail Luffed10.8410.84Headsail FlyingSymmetric32.4132.41Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail4.52Storm Jib3.64Heavy Weather Jib9.83
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 31.9 Stability Index 122.1
COMMENTS
MOTOR FUERABORDA QUILLA MODIFICADA. SOLO VALIOD ORC CLUB
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  03510004BHN Issued on 14/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
CALM DAYSESP-631_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 VMG1704.71213.81016.3911.4853.4828.3820.0821.0831.3
52°1103.1812.8698.1645.3617.4601.4593.9587.5586.0
60°1037.0777.3675.1630.0603.7585.6575.2566.4563.2
75°995.3756.0659.1617.0589.4567.1550.6532.5524.5
90°1017.9747.9642.5597.4568.7552.6538.3505.0485.4
110°1018.8745.9638.7591.7556.3526.4501.0470.1446.7
120°1064.9774.4653.2600.0562.5529.4498.8440.4401.9
135°1220.0858.4703.6625.8584.2548.9516.5449.0369.7
150°1469.71000.3789.7675.2615.8578.5545.7484.3413.7
Run VMG1697.11155.0909.4769.7680.2626.4589.6529.8471.8
Selected Courses
Windward / Leeward1700.91184.4962.9840.6766.8727.4704.8675.4651.6
All purpose1290.8920.8766.7688.4642.2613.9594.1563.9538.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward803.40.7468
All purpose663.40.9044
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance718.30.8353
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6497
Downwind "popa"0.7985
70% up, 30% down "Ilhabela"0.6882
30% up, 70% down "Ilhabela-inverso"0.7472
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Predominantly Upwind719.10.8344
Predominantly Downwind670.30.8951
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP688.10.8720 Predom. Rc High532.11.1277 5B SF Bay L/M884.20.6786 TriNum AP Low843.80.7111 Predom. Dn Low1018.30.5892 5B SF Bay Med761.60.7879 TriNum AP Med661.00.9078 Predom. Dn L/M756.40.7933 5B SF Bay M/H693.70.8649 TriNum AP High587.71.0209 Predom. Dn Med648.10.9258 5B SF Bay High661.70.9068 TriNum W/L Low1124.10.5337 Predom. Dn M/H577.51.0389 5B AP Low935.00.6417 TriNum W/L Med797.90.7520 Predom. Dn High528.21.1359 5B AP L/M743.40.8071 TriNum W/L Hig699.40.8579 ChiMac Up Low900.10.6666 5B AP Med651.50.9209 Predom. Upwind747.10.8031 ChiMac Up Med814.90.7363 5B AP M/H596.41.0061 Predom. Reaching661.20.9075 ChiMac Up High715.50.8386 5B AP High564.71.0624 Predom. Downwind698.40.8591 ChiMac Off Low877.80.6835 5B W/L Low1258.20.4769 Predom. Up Low1020.00.5883 ChiMac Off Med776.60.7726 5B W/L L/M923.40.6497 Predom. Up L/M786.40.7630 ChiMac Off High654.80.9163 5B W/L Med783.70.7656 Predom. Up Med697.30.8604 ChiMac AP Low884.70.6782 5B W/L M/H708.80.8465 Predom. Up M/H651.30.9212 ChiMac AP Med792.60.7570 5B W/L High676.30.8871 Predom. Up High630.90.9510 ChiMac AP High683.10.8783 W/L 60-40 Low1264.00.4747 Predom. Rc Low910.20.6592 BayMac Cove Island1012.70.5924 W/L 60-40 L/M935.60.6413 Predom. Rc L/M701.60.8552 BayMac Shore1004.60.5972 W/L 60-40 Med800.90.7491 Predom. Rc Med621.10.9661 Harvest Moon583.61.0281 W/L 60-40 M/H731.90.8198 Predom. Rc M/H569.61.0534 5B SF Bay Low1064.40.5637 W/L 60-40 High705.60.8504      SA/DSPL Up22.93SA/DSPL Dn40.69
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance718.30.8353
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance718.30.8353
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance718.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating718.30.8353
FinRating, kevyt tuuli1240.60.8061
FinRating, kova tuuli565.70.8839
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8353
Triple Number Coastal/Long Distance Low0.7111
Triple Number Coastal/Long Distance Medium0.9079
Triple Number Coastal/Long Distance High1.0209
Triple Number Windward/Leeward Low0.5588
Triple Number Windward/Leeward Medium0.7520
Triple Number Windward/Leeward High0.8579
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
For information
General Purpose Handicap (GPH)742.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance718.30.8353
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Saronikos S All_Purpose752.30.7976
Saronikos S Upwind849.20.7065
Saronikos S Downwind635.30.9444
Saronikos N All_Purpose752.30.7976
Saronikos N Upwind883.60.6790
Saronikos N Downwind698.30.8593
Saronikos SW All_Purpose757.30.7923
Saronikos SW Upwind871.40.6885
Saronikos SW Downwind645.60.9293
Saronikos NE All_Purpose817.80.7337
Saronikos NE Upwind832.20.7210
Saronikos NE Downwind780.50.7688
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose688.10.8720
5-Band All-Purpose Low1014.40.5915
5-Band All-Purpose L/M768.80.7805
5-Band All-Purpose Med671.10.8941
5-Band All-Purpose M/H613.50.9780
5-Band All-Purpose High579.11.0361
Single Number Predominant Upwind717.70.8360
Single Number Predominant Reaching638.00.9404
Single Number Predominant Downwind671.20.8939
5-Band 50-50 Windward/Leeward Low1258.20.4769
5-Band 50-50 Windward/Leeward L/M923.40.6497
5-Band 50-50 Windward/Leeward Med783.70.7656
5-Band 50-50 Windward/Leeward M/H708.80.8465
5-Band 50-50 Windward/Leeward High676.30.8871
5-Band 60-40 Windward/Leeward Low1264.00.4747
5-Band 60-40 Windward/Leeward L/M935.60.6413
5-Band 60-40 Windward/Leeward Med800.90.7491
5-Band 60-40 Windward/Leeward M/H731.90.8198
5-Band 60-40 Windward/Leeward High705.60.8504
Triple Number 50-50 Windward/Leeward Low1124.10.5337
Triple Number 50-50 Windward/Leeward Med798.00.7519
Triple Number 50-50 Windward/Leeward High699.40.8579
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward820.60.7312
Triple Number 60-40 Windward/Leeward Low1132.00.5300
Triple Number 60-40 Windward/Leeward Med814.40.7367
Triple Number 60-40 Windward/Leeward High724.00.8287
Triple Number All-Purpose Low914.70.6560
Triple Number All-Purpose Med681.00.8810
Triple Number All-Purpose High604.20.9931
Triple Number Predominant Upwind Low932.60.6433
Triple Number Predominant Upwind Med709.30.8459
Triple Number Predominant Upwind High652.40.9197
Triple Number Predominant Reaching Low829.90.7230
Triple Number Predominant Reaching Med639.30.9385
Triple Number Predominant Reaching High550.21.0905
Triple Number Predominant Downwind Low911.80.6581
Triple Number Predominant Downwind Med659.10.9103
Triple Number Predominant Downwind High553.41.0843
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance718.30.8353
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance718.30.8353
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low843.8
Triple Number Coastal/Long Distance Medium660.9
Triple Number Coastal/Long Distance High587.7
Triple Number Windward/Leeward Low1073.7
Triple Number Windward/Leeward Medium797.9
Triple Number Windward/Leeward High699.4
Predominantly Upwind719.1
Predominantly Downwind670.3
Predominantly Reaching646.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance718.30.8353
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7111
Triple Number Coastal/Long Distance Medium0.9079
Triple Number Coastal/Long Distance High1.0209
Triple Number Windward/Leeward Low0.5588
Triple Number Windward/Leeward Medium0.7520
Triple Number Windward/Leeward High0.8579
Coastal/Long Distance0.8353
Predominantly Upwind0.8344
Predominantly Downwind0.8951
For information
General Purpose Handicap (GPH)742.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9044
Distanseseilas Trippeltall svak vind0.7111
Distanseseilas Trippeltall mellomvind0.9079
Distanseseilas Trippeltall sterk vind1.0209
Pølsebane Trippeltall svak vind0.5588
Pølsebane Trippeltall mellomvind0.7520
Pølsebane Trippeltall sterk vind0.8579
Motvind Singeltall0.8344
Medvind Singeltall0.8951
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Coastal/Long Distance718.30.8353
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind719.10.8344
Predominantly Downwind670.30.8951
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore658.70.9109
Cape Doctor Coastal546.21.0985
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7111
Triple Number Coastal/Long Distance Medium0.9079
Triple Number Coastal/Long Distance High1.0209
Triple Number Windward/Leeward Low0.5588
Triple Number Windward/Leeward Medium0.7520
Triple Number Windward/Leeward High0.8579
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7111
Triple Number Coastal/Long Distance Medium0.9079
Triple Number Coastal/Long Distance High1.0209
Triple Number Windward/Leeward Low0.5588
Triple Number Windward/Leeward Medium0.7520
Triple Number Windward/Leeward High0.8579
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance718.30.8353
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Predominantly Upwind719.10.8344
Predominantly Downwind670.30.8951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance718.30.8353
Triple Number Coastal/Long Distance Low843.80.7111
Triple Number Coastal/Long Distance Medium660.90.9079
Triple Number Coastal/Long Distance High587.71.0209
Triple Number Windward/Leeward Low1073.70.5588
Triple Number Windward/Leeward Medium797.90.7520
Triple Number Windward/Leeward High699.40.8579
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1700.51181.5908.3766.0682.2636.4600.4536.2510.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP688.10.8720 Predom. Dn High528.21.1359 5B AP M/H596.41.0061 TriNum AP Low843.80.7111 Predom. Rc Low910.20.6592 5B AP High564.71.0624 TriNum AP Med661.00.9078 Predom. Rc L/M701.60.8552 5B SF Bay Low1064.40.5637 TriNum AP High587.71.0209 Predom. Rc Med621.10.9661 5B SF Bay L/M884.20.6786 TriNum W/L Low1124.10.5337 Predom. Rc M/H569.61.0534 5B SF Bay Med761.60.7879 TriNum W/L Med797.90.7520 Predom. Rc High532.11.1277 5B SF Bay M/H693.70.8649 TriNum W/L Hig699.40.8579 5B W/L Low1258.20.4769 5B SF Bay High661.70.9068 Predom. Upwind747.10.8031 5B W/L L/M923.40.6497 ChiMac Up Low900.10.6666 Predom. Reaching661.20.9075 5B W/L Med783.70.7656 ChiMac Up Med814.90.7363 Predom. Downwind698.40.8591 5B W/L M/H708.80.8465 ChiMac Up High715.50.8386 Predom. Up Low1020.00.5883 5B W/L High676.30.8871 ChiMac Off Low877.80.6835 Predom. Up L/M786.40.7630 W/L 60-40 Low1264.00.4747 ChiMac Off Med776.60.7726 Predom. Up Med697.30.8604 W/L 60-40 L/M935.60.6413 ChiMac Off High654.80.9163 Predom. Up M/H651.30.9212 W/L 60-40 Med800.90.7491 ChiMac AP Low884.70.6782 Predom. Up High630.90.9510 W/L 60-40 M/H731.90.8198 ChiMac AP Med792.60.7570 Predom. Dn Low1018.30.5892 W/L 60-40 High705.60.8504 ChiMac AP High683.10.8783 Predom. Dn L/M756.40.7933 5B AP Low935.00.6417 BayMac Cove Island1012.70.5924 Predom. Dn Med648.10.9258 5B AP L/M743.40.8071 BayMac Shore1004.60.5972 Predom. Dn M/H577.51.0389 5B AP Med651.50.9209 Harvest Moon583.61.0281      SA/DSPL Up22.93SA/DSPL Dn40.69
ORC Ref  03510004BHN Issued on 14/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
CALM DAYSESP-631_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 235 MODMeasurement19/06/2001HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall6.578Maximum beam2.488Draft1.878Displacement1,336Wetted area10.36IMS L6.273LSM06.165Accomod. length6.555Sink (kg/mm) 8.22
VCGD-0.204VCGM-0.239 RM Rated (kg·m) 31.9Limit of positive stability(°) 130.0 Stability Index 122.1 BLR index 0.0000Default crew weight345 Declared crew weight 250
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P8.210IG8.530ISP8.550MDT10.078MDL10.107MDT20.078MDL20.107TLMW0.107GO0.107
E3.142J2.445BAS1.080FSD0.027SFJSPL2.450WPLTPSBD0.097MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered33.0Flotation Date01/01/2010
SFFP0.150FFMFF0.982LCFcl3.628SG
SAFP6.310FAMFA0.841LCFsh3.820HBI0.900
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510004BHN Issued on 14/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
CALM DAYSESP-631_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.530.961.492.252.7317.0022/04/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.070.330.651.171.792.49YesNo 10.84
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment0018.408.408.404.704.3532.41ORC8.268.268.264.384.2529.97* Copied from legacy *
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length6.6 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity6 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03510004BHN Issued on 14/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org