Club
Certificate
2023

Boat

CALM DAYS

ESP-631_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.2°38.8°37.6°37.2°37.8°39.0°
Beat VMG2.963.543.954.194.274.304.26
52°4.465.195.615.845.976.046.06
60°4.675.375.745.986.166.266.33
75°4.805.495.876.156.406.596.81
90°4.825.626.056.366.566.777.23
110°4.845.666.136.556.947.317.84
120°4.685.556.046.486.907.348.42
135°4.225.145.776.196.627.068.19
150°3.604.555.325.856.246.647.52
Run VMG3.123.954.665.285.776.156.89
Gybe Angles147.8°152.3°156.5°169.4°177.2°179.0°179.0°

APH: 663.0

CDL: 6.166

GPH: 742.0

CertNo: 63101

BOAT
ClassFIRST 235 (LK)DesignerBERRETBuilderBENETEAUAge date01/1987Series date12/1986Offset fileCALM.OFFData fileE631_C
HULL
Length Overall6.578 mMaximum Beam2.488 mDraft1.461 mDisplacement1,336 kgDLR5.5411IMS DivisionSportboatDynamic Allowance0.190%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight250 kgMinimum weight165 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.1317.75Headsail Luffed10.8410.84Headsail FlyingSymmetric32.4132.41Asymmetric
STORM SAIL AREAS (m²)
Trysail4.52Storm Jib3.64Heavy Weather Jib9.83
SAIL LIMITS
Headsails5 * Woven polyester sails  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
MOTOR FUERABORDA
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  03510002CMJIssued on 17/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

CALM DAYS

ESP-631_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1216.51016.5911.5859.9842.3836.4845.9
52°807.8693.6642.2616.6602.6596.4593.9
60°771.1670.5626.7601.6584.8575.5568.8
75°750.3655.2613.6585.6562.8545.9528.9
90°746.1640.3595.4566.0548.7531.7498.0
110°744.2635.6587.0549.3518.6492.7459.0
120°769.8649.2595.6555.9521.7490.3427.7
135°853.1701.0624.1581.4543.7509.8439.6
150°1000.5791.0676.1615.8577.0542.2479.0
Run VMG1155.3911.8772.7681.2623.6585.8522.4
Selected Courses
Windward / Leeward1185.9964.2842.1770.6733.0711.1684.2
All purpose919.3765.4687.1641.7614.4594.3565.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward807.20.7433
All purpose663.00.9050
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6433
Downwind "popa"0.7996
70% up, 30% down "Ilhabela"0.6833
30% up, 70% down "Ilhabela-inverso"0.7452
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Predominantly Upwind720.10.8333
Predominantly Downwind668.90.8970
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low842.30.7123
Triple Number All Purpose Medium660.30.9087
Triple Number All Purpose High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Predominantly Upwind720.10.8333
Predominantly Downwind668.90.8970
Predominantly Upwind Low938.30.6394
Predominantly Upwind Medium744.90.8055
Predominantly Upwind High700.30.8568
Predominantly Downwind Low913.10.6571
Predominantly Downwind Medium661.40.9072
Predominantly Downwind High548.01.0949
Chicago-Mac Upwind0.8184
Chicago-Mac All Purpose0.8479
Chicago-Mac Downwind0.8820
Bayview-Mac Cove Island0.7912
Bayview-Mac Shore0.7967
Victoria-Maui0.9509
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance718.6
Triple Number Coastal/Long Distance Low842.3
Triple Number Coastal/Long Distance Medium660.3
Triple Number Coastal/Long Distance High588.4
Triple Number Windward/Leeward Low1075.1
Triple Number Windward/Leeward Medium801.2
Triple Number Windward/Leeward High706.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7123
Triple Number Coastal/Long Distance Medium0.9087
Triple Number Coastal/Long Distance High1.0197
Triple Number Windward/Leeward Low0.5581
Triple Number Windward/Leeward Medium0.7489
Triple Number Windward/Leeward High0.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low842.3
Triple Number Coastal/Long Distance Medium660.3
Triple Number Coastal/Long Distance High588.4
Triple Number Windward/Leeward Low1075.1
Triple Number Windward/Leeward Medium801.2
Triple Number Windward/Leeward High706.5
Predominantly Upwind720.1
Predominantly Downwind668.9
Predominantly Reaching644.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7123
Triple Number Coastal/Long Distance Medium0.9087
Triple Number Coastal/Long Distance High1.0197
Triple Number Windward/Leeward Low0.5581
Triple Number Windward/Leeward Medium0.7489
Triple Number Windward/Leeward High0.8493
Coastal/Long Distance0.8349
Predominantly Upwind0.8333
Predominantly Downwind0.8970
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7123
Tretall Distanseseilas Mellomvind0.9087
Tretall Distanseseilas Mye vind1.0197
Tretall Pølsebane Lite vind0.5581
Tretall Pølsebane Mellomvind0.7489
Tretall Pølsebane Mye vind0.8493
Distanseseilas ett tall (OSN 8-16kn)0.8349
Distanseseilas ett tall (APH 6-20kn)0.9050
Enkeltall Motvind0.8333
Enkeltall Medvind0.8970
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Coastal/Long Distance718.60.8349
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind720.10.8333
Predominantly Downwind668.90.8970
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore692.20.8668
Cape Doctor Coastal573.91.0455
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7123
Triple Number Coastal/Long Distance Medium0.9087
Triple Number Coastal/Long Distance High1.0197
Triple Number Windward/Leeward Low0.5581
Triple Number Windward/Leeward Medium0.7489
Triple Number Windward/Leeward High0.8493
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7123
Triple Number Coastal/Long Distance Medium0.9087
Triple Number Coastal/Long Distance High1.0197
Triple Number Windward/Leeward Low0.5581
Triple Number Windward/Leeward Medium0.7489
Triple Number Windward/Leeward High0.8493
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Predominantly Upwind720.10.8333
Predominantly Downwind668.90.8970
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance718.60.8349
Triple Number Coastal/Long Distance Low842.30.7123
Triple Number Coastal/Long Distance Medium660.30.9087
Triple Number Coastal/Long Distance High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1182.9908.9766.0682.8637.3600.1533.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low842.30.7123
Triple Number All Purpose Medium660.30.9087
Triple Number All Purpose High588.41.0197
Triple Number Windward/Leeward Low1075.10.5581
Triple Number Windward/Leeward Medium801.20.7489
Triple Number Windward/Leeward High706.50.8493
Predominantly Upwind720.10.8333
Predominantly Downwind668.90.8970
Predominantly Upwind Low938.30.6394
Predominantly Upwind Medium744.90.8055
Predominantly Upwind High700.30.8568
Predominantly Downwind Low913.10.6571
Predominantly Downwind Medium661.40.9072
Predominantly Downwind High548.01.0949
Chicago-Mac Upwind0.8184
Chicago-Mac All Purpose0.8479
Chicago-Mac Downwind0.8820
Bayview-Mac Cove Island0.7912
Bayview-Mac Shore0.7967
Harvest Moon Regatta572.41.0483
Victoria-Maui0.9509
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy693.10.8657
San Francisco Bay Medium796.80.7530
Predominantly Reaching0.9504
Predominantly Reaching Low0.7835
Predominantly Reaching Medium0.9563
Predominantly Reaching High1.0915
Windward/Leeward 60-40 Low1083.40.5538
Windward/Leeward 60-40 Medium830.00.7229
Windward/Leeward 60-40 High752.40.7975
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1168.90.5133
5-Band Low / Medium985.50.6088
5-Band Medium787.40.7620
5-Band Medium / High715.20.8389
5-Band High688.80.8711
ORC Ref  03510002CMJIssued on 17/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

CALM DAYS

ESP-631_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 235 (LK)Measurement19/06/2001HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA6.578Max. Beam2.488Draft1.461Displacement1,336Wetted area10.65IMS L6.302LSM06.223Acc. length6.578Sink (kg/mm) 8.39
VCGD-0.145VCGM-0.183RM Rated (kg·m) 32.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P8.210IG8.530ISP8.550MDT10.078MDL10.107MDT20.078MDL20.107TLMW0.107GO0.107
E3.142J2.445BAS1.080FSD0.027SFJSPL2.530WPLTPSBD0.097MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered33.0Flotation Date01/01/2010MeasurerComment
SFFP0.150FFMFF1.014LCFcl3.677SG
SAFP6.310FAMFA0.815LCFsh3.869HBI0.910
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002CMJIssued on 17/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

CALM DAYS

ESP-631_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.600.991.532.242.7417.1310.050.961.492.252.7416.77
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 *
ORC Ref  03510002CMJIssued on 17/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org