Club
Certificate
2023

Boat

ISA SEGUNDO

ESP-11068_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 Angles46.0°44.4°43.2°42.3°41.1°40.5°40.2°
Beat VMG3.063.854.474.965.355.625.79
52°4.825.966.797.407.828.098.33
60°5.196.327.137.698.058.318.62
75°5.446.577.377.908.258.539.01
90°5.396.677.618.208.588.859.16
110°5.536.867.808.388.849.2710.05
120°5.386.697.678.308.789.2510.21
135°4.856.157.187.938.448.899.82
150°4.085.276.317.207.888.369.19
Run VMG3.534.565.466.256.937.528.45
Gybe Angles143.9°146.2°148.7°152.3°157.7°166.7°177.2°

APH: 544.1

CDL: 10.304

GPH: 621.0

CertNo: 110681

BOAT
ClassDUFOUR 455 GLDesignerFELCIBuilderDUFOUR YACHTSAge date02/2008Series date02/2005Offset fileDU45_SK.OFFData fileE11068_C
HULL
Length Overall13.600 mMaximum Beam4.300 mDraft1.926 mDisplacement10,272 kgDLR6.1748IMS DivisionCruiser/RacerDynamic Allowance0.380%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 3 bladesDiameter0.300m
CREW
Maximum weight800 kgMinimum weight600 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.4138.75Headsail Luffed55.7155.71Headsail FlyingSymmetricAsymmetric125.33125.33 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail12.46Storm Jib11.98Heavy Weather Jib32.34
SAIL LIMITS
Headsails1  Spinnakers5 * Asymmetric may be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
DESPLAZAMIENTO CATALOGO.
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  03510002CVKIssued on 23/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ISA SEGUNDO

ESP-11068_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 VMG1176.7935.7806.2725.5672.7641.1621.7
52°746.6604.2529.8486.3460.3444.9432.3
60°693.4569.7504.9468.4447.1433.2417.7
75°661.2548.2488.6455.8436.3421.8399.7
90°668.2539.8473.2439.2419.8406.8393.1
110°650.4524.5461.3429.5407.3388.2358.2
120°669.2537.8469.2433.7409.9389.1352.7
135°742.4585.2501.1454.0426.5404.9366.5
150°882.2683.2570.5499.8456.9430.6391.8
Run VMG1018.7788.9658.8575.9519.6478.7426.0
Selected Courses
Windward / Leeward1097.7862.3732.5650.7596.1559.9523.9
All purpose836.3665.8574.1519.9485.1461.7434.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward684.20.8769
All purpose544.11.1027
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7527
Downwind "popa"0.9403
70% up, 30% down "Ilhabela"0.8007
30% up, 70% down "Ilhabela-inverso"0.8749
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Predominantly Upwind596.31.0062
Predominantly Downwind552.71.0857
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low751.00.7989
Triple Number All Purpose Medium541.41.1082
Triple Number All Purpose High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Predominantly Upwind596.31.0062
Predominantly Downwind552.71.0857
Predominantly Upwind Low858.80.6986
Predominantly Upwind Medium619.50.9685
Predominantly Upwind High532.91.1258
Predominantly Downwind Low804.40.7459
Predominantly Downwind Medium544.11.1028
Predominantly Downwind High441.21.3599
Chicago-Mac Upwind0.9808
Chicago-Mac All Purpose1.0174
Chicago-Mac Downwind1.0628
Bayview-Mac Cove Island0.9233
Bayview-Mac Shore0.9329
Victoria-Maui1.1445
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance597.3
Triple Number Coastal/Long Distance Low751.0
Triple Number Coastal/Long Distance Medium541.4
Triple Number Coastal/Long Distance High457.5
Triple Number Windward/Leeward Low980.1
Triple Number Windward/Leeward Medium682.0
Triple Number Windward/Leeward High555.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7989
Triple Number Coastal/Long Distance Medium1.1082
Triple Number Coastal/Long Distance High1.3115
Triple Number Windward/Leeward Low0.6122
Triple Number Windward/Leeward Medium0.8798
Triple Number Windward/Leeward High1.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low751.0
Triple Number Coastal/Long Distance Medium541.4
Triple Number Coastal/Long Distance High457.5
Triple Number Windward/Leeward Low980.1
Triple Number Windward/Leeward Medium682.0
Triple Number Windward/Leeward High555.5
Predominantly Upwind596.3
Predominantly Downwind552.7
Predominantly Reaching526.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7989
Triple Number Coastal/Long Distance Medium1.1082
Triple Number Coastal/Long Distance High1.3115
Triple Number Windward/Leeward Low0.6122
Triple Number Windward/Leeward Medium0.8798
Triple Number Windward/Leeward High1.0802
Coastal/Long Distance1.0046
Predominantly Upwind1.0062
Predominantly Downwind1.0857
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7989
Tretall Distanseseilas Mellomvind1.1082
Tretall Distanseseilas Mye vind1.3115
Tretall Pølsebane Lite vind0.6122
Tretall Pølsebane Mellomvind0.8798
Tretall Pølsebane Mye vind1.0802
Distanseseilas ett tall (OSN 8-16kn)1.0046
Distanseseilas ett tall (APH 6-20kn)1.1027
Enkeltall Motvind1.0062
Enkeltall Medvind1.0857
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Coastal/Long Distance597.31.0046
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind596.31.0062
Predominantly Downwind552.71.0857
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore534.71.1222
Cape Doctor Coastal442.91.3546
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7989
Triple Number Coastal/Long Distance Medium1.1082
Triple Number Coastal/Long Distance High1.3115
Triple Number Windward/Leeward Low0.6122
Triple Number Windward/Leeward Medium0.8798
Triple Number Windward/Leeward High1.0802
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7989
Triple Number Coastal/Long Distance Medium1.1082
Triple Number Coastal/Long Distance High1.3115
Triple Number Windward/Leeward Low0.6122
Triple Number Windward/Leeward Medium0.8798
Triple Number Windward/Leeward High1.0802
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Predominantly Upwind596.31.0062
Predominantly Downwind552.71.0857
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.31.0046
Triple Number Coastal/Long Distance Low751.00.7989
Triple Number Coastal/Long Distance Medium541.41.1082
Triple Number Coastal/Long Distance High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1089.8806.4653.3558.2504.1466.2415.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low751.00.7989
Triple Number All Purpose Medium541.41.1082
Triple Number All Purpose High457.51.3115
Triple Number Windward/Leeward Low980.10.6122
Triple Number Windward/Leeward Medium682.00.8798
Triple Number Windward/Leeward High555.51.0802
Predominantly Upwind596.31.0062
Predominantly Downwind552.71.0857
Predominantly Upwind Low858.80.6986
Predominantly Upwind Medium619.50.9685
Predominantly Upwind High532.91.1258
Predominantly Downwind Low804.40.7459
Predominantly Downwind Medium544.11.1028
Predominantly Downwind High441.21.3599
Chicago-Mac Upwind0.9808
Chicago-Mac All Purpose1.0174
Chicago-Mac Downwind1.0628
Bayview-Mac Cove Island0.9233
Bayview-Mac Shore0.9329
Harvest Moon Regatta458.11.3097
Victoria-Maui1.1445
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy543.51.1040
San Francisco Bay Medium675.60.8881
Predominantly Reaching1.1720
Predominantly Reaching Low0.8960
Predominantly Reaching Medium1.1823
Predominantly Reaching High1.4036
Windward/Leeward 60-40 Low995.20.6029
Windward/Leeward 60-40 Medium707.40.8481
Windward/Leeward 60-40 High584.81.0260
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1079.60.5558
5-Band Low / Medium884.40.6784
5-Band Medium665.20.9019
5-Band Medium / High567.61.0570
5-Band High530.11.1319
ORC Ref  03510002CVKIssued on 23/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ISA SEGUNDO

ESP-11068_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 455 GLMeasurement01/02/2023HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA13.600Max. Beam4.300Draft1.926Displacement10,272Wetted area40.04IMS L12.136LSM011.848Acc. length13.600Sink (kg/mm) 30.83
VCGD-0.237VCGM-0.222RM Rated (kg·m) 398.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0112
EDL0.700ST10.048ST20.170
ST30.170ST40.098ST50.200
RIG
Forestay tensionFixedInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerYesArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.260IG15.420ISP16.480MDT10.131MDL10.255MDT20.131MDL20.255TL0.000MW0.255GO0.275
E4.990J5.430BAS1.760FSD0.039SFJ0.130SPL6.290WPLTPS5.770BD0.190MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered400.0Flotation Date01/01/2010MeasurerComment
SFFP0.203FFMFF1.740LCFcl7.650SG
SAFP13.102FAMFA1.274LCFsh7.938HBI1.441
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002CVKIssued on 23/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ISA SEGUNDO

ESP-11068_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.040.731.462.823.9938.4117/02/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.040.861.743.625.587.6715.02NoNo 55.7117/02/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA116.2214.6515.449.809.52103%125.3317/02/2023
ORC Ref  03510002CVKIssued on 23/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org