Club
Certificate
2023

Boat

URKESKEN

ESP-9453_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 Angles43.2°41.1°39.9°38.4°37.6°37.0°37.5°
Beat VMG3.163.834.314.644.824.914.97
52°4.815.686.236.546.716.806.89
60°5.075.916.416.686.866.987.09
75°5.246.086.546.827.037.207.42
90°5.156.136.676.987.177.297.64
110°5.206.226.777.127.437.718.12
120°5.026.086.697.077.407.738.37
135°4.425.526.376.837.197.538.23
150°3.754.795.726.436.847.187.84
Run VMG3.254.154.965.696.276.707.34
Gybe Angles146.0°150.5°151.4°159.5°173.6°178.1°179.0°

APH: 605.7

CDL: 7.947

GPH: 681.6

CertNo: 945301

BOAT
ClassELAN 31DesignerHUMPHREYSBuilderELANAge date06/2002Series date01/2002Offset fileELAN3110.OFFData fileE9453_C
HULL
Length Overall9.190 mMaximum Beam3.196 mDraft1.888 mDisplacement4,217 kgDLR6.8605IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.300m
CREW
Maximum weight345 kgMinimum weight259 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.4426.81Headsail Luffed25.3925.39Headsail FlyingSymmetric64.2364.23Asymmetric
STORM SAIL AREAS (m²)
Trysail8.27Storm Jib5.22Heavy Weather Jib14.08
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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  03510002BKUIssued on 27/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

URKESKEN

ESP-9453_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 VMG1137.8940.8835.1776.4747.2733.9725.1
52°747.8634.1577.7550.9536.9529.4522.6
60°710.4608.7561.9538.7524.9516.0507.7
75°687.0592.6550.3528.0512.3500.2484.9
90°699.3587.4539.5516.0502.1493.8471.1
110°691.9578.7531.8505.5484.3466.7443.5
120°717.2592.5538.2509.3486.2466.0430.0
135°815.4651.9565.0527.1501.0478.0437.2
150°960.7751.5629.8559.4525.9501.6459.3
Run VMG1109.4867.2726.5632.2574.4537.1490.7
Selected Courses
Windward / Leeward1123.6904.0780.8704.3660.8635.5607.9
All purpose864.1708.7628.1582.8556.8540.0516.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward740.10.8107
All purpose605.70.9905
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7123
Downwind "popa"0.8506
70% up, 30% down "Ilhabela"0.7488
30% up, 70% down "Ilhabela-inverso"0.8038
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Predominantly Upwind654.60.9166
Predominantly Downwind616.80.9727
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low786.40.7630
Triple Number All Purpose Medium601.90.9969
Triple Number All Purpose High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Predominantly Upwind654.60.9166
Predominantly Downwind616.80.9727
Predominantly Upwind Low874.90.6858
Predominantly Upwind Medium673.90.8903
Predominantly Upwind High619.80.9681
Predominantly Downwind Low863.50.6948
Predominantly Downwind Medium609.80.9839
Predominantly Downwind High509.91.1766
Chicago-Mac Upwind0.8993
Chicago-Mac All Purpose0.9237
Chicago-Mac Downwind0.9551
Bayview-Mac Cove Island0.8561
Bayview-Mac Shore0.8644
Victoria-Maui1.0228
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance659.3
Triple Number Coastal/Long Distance Low786.4
Triple Number Coastal/Long Distance Medium601.9
Triple Number Coastal/Long Distance High535.4
Triple Number Windward/Leeward Low1013.9
Triple Number Windward/Leeward Medium735.6
Triple Number Windward/Leeward High631.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7630
Triple Number Coastal/Long Distance Medium0.9969
Triple Number Coastal/Long Distance High1.1206
Triple Number Windward/Leeward Low0.5918
Triple Number Windward/Leeward Medium0.8157
Triple Number Windward/Leeward High0.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low786.4
Triple Number Coastal/Long Distance Medium601.9
Triple Number Coastal/Long Distance High535.4
Triple Number Windward/Leeward Low1013.9
Triple Number Windward/Leeward Medium735.6
Triple Number Windward/Leeward High631.4
Predominantly Upwind654.6
Predominantly Downwind616.8
Predominantly Reaching592.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7630
Triple Number Coastal/Long Distance Medium0.9969
Triple Number Coastal/Long Distance High1.1206
Triple Number Windward/Leeward Low0.5918
Triple Number Windward/Leeward Medium0.8157
Triple Number Windward/Leeward High0.9502
Coastal/Long Distance0.9100
Predominantly Upwind0.9166
Predominantly Downwind0.9727
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7630
Tretall Distanseseilas Mellomvind0.9969
Tretall Distanseseilas Mye vind1.1206
Tretall Pølsebane Lite vind0.5918
Tretall Pølsebane Mellomvind0.8157
Tretall Pølsebane Mye vind0.9502
Distanseseilas ett tall (OSN 8-16kn)0.9100
Distanseseilas ett tall (APH 6-20kn)0.9905
Enkeltall Motvind0.9166
Enkeltall Medvind0.9727
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Coastal/Long Distance659.30.9100
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind654.60.9166
Predominantly Downwind616.80.9727
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore616.20.9738
Cape Doctor Coastal523.71.1458
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7630
Triple Number Coastal/Long Distance Medium0.9969
Triple Number Coastal/Long Distance High1.1206
Triple Number Windward/Leeward Low0.5918
Triple Number Windward/Leeward Medium0.8157
Triple Number Windward/Leeward High0.9502
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7630
Triple Number Coastal/Long Distance Medium0.9969
Triple Number Coastal/Long Distance High1.1206
Triple Number Windward/Leeward Low0.5918
Triple Number Windward/Leeward Medium0.8157
Triple Number Windward/Leeward High0.9502
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Predominantly Upwind654.60.9166
Predominantly Downwind616.80.9727
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.30.9100
Triple Number Coastal/Long Distance Low786.40.7630
Triple Number Coastal/Long Distance Medium601.90.9969
Triple Number Coastal/Long Distance High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1122.2850.2705.6620.5577.2546.2496.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low786.40.7630
Triple Number All Purpose Medium601.90.9969
Triple Number All Purpose High535.41.1206
Triple Number Windward/Leeward Low1013.90.5918
Triple Number Windward/Leeward Medium735.60.8157
Triple Number Windward/Leeward High631.40.9502
Predominantly Upwind654.60.9166
Predominantly Downwind616.80.9727
Predominantly Upwind Low874.90.6858
Predominantly Upwind Medium673.90.8903
Predominantly Upwind High619.80.9681
Predominantly Downwind Low863.50.6948
Predominantly Downwind Medium609.80.9839
Predominantly Downwind High509.91.1766
Chicago-Mac Upwind0.8993
Chicago-Mac All Purpose0.9237
Chicago-Mac Downwind0.9551
Bayview-Mac Cove Island0.8561
Bayview-Mac Shore0.8644
Harvest Moon Regatta528.91.1344
Victoria-Maui1.0228
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy622.00.9647
San Francisco Bay Medium731.40.8203
Predominantly Reaching1.0385
Predominantly Reaching Low0.8396
Predominantly Reaching Medium1.0490
Predominantly Reaching High1.1850
Windward/Leeward 60-40 Low1018.90.5889
Windward/Leeward 60-40 Medium758.30.7912
Windward/Leeward 60-40 High666.30.9005
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1106.70.5422
5-Band Low / Medium924.10.6493
5-Band Medium720.70.8325
5-Band Medium / High640.90.9362
5-Band High612.70.9793
ORC Ref  03510002BKUIssued on 27/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

URKESKEN

ESP-9453_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassELAN 31MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.190Max. Beam3.196Draft1.888Displacement4,217Wetted area19.75IMS L8.496LSM08.502Acc. length9.190Sink (kg/mm) 15.21
VCGD-0.140VCGM-0.098RM Rated (kg·m) 88.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0013
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.380IG10.150ISP10.490MDT10.098MDL10.140MDT20.098MDL20.140TL0.000MW0.140GO0.160
E4.150J3.300BAS1.503FSD0.040SFJ0.000SPL3.370WPLTPSBD0.140MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered90.0Flotation Date01/01/2010MeasurerComment
SFFP0.400FFMFF1.181LCFcl5.176SG
SAFP8.600FAMFA0.830LCFsh5.421HBI0.978
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002BKUIssued on 27/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

URKESKEN

ESP-9453_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.150.741.362.453.3426.4414/11/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0020.060.581.132.283.474.6710.98NoNo 25.3914/01/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment111.9111.9111.916.556.1664.2314/11/2021
ORC Ref  03510002BKUIssued on 27/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org