Club
Certificate
Non Spinnaker
2023

Boat

Jonna

NOR 11733

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.3°41.2°39.9°39.0°38.4°38.2°38.1°
Beat VMG3.564.334.865.145.285.365.42
52°5.446.437.037.337.467.537.61
60°5.746.697.237.517.667.747.82
75°5.946.877.387.687.888.028.17
90°5.816.807.387.727.978.178.49
110°5.186.267.087.587.918.208.73
120°4.845.976.857.427.808.118.69
135°4.215.356.277.007.497.838.44
150°3.554.645.586.397.047.508.13
Run VMG3.074.024.885.666.386.997.77
Gybe Angles146.6°152.0°157.7°166.4°172.1°177.2°179.3°

APH: 566.9

CDL: 9.895

GPH: 640.7

CertNo: 9378

BOAT
ClassElan 40DesignerHUMPHREYS ROBBuilderElan MarineAge date01/2006Series date04/2002Offset fileELAN40SD.OFFData file9378
HULL
Length Overall11.860 mMaximum Beam3.844 mDraft2.054 mDisplacement8,113 kgDLR6.9237IMS DivisionCruiser/RacerDynamic Allowance0.280%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight742 kgMinimum weight557 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail47.5548.71Headsail Luffed37.0737.07Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail13.64Storm Jib11.99Heavy Weather Jib32.36
SAIL LIMITS
Headsails6  Spinnakers0 * Spinnaker pole aboard
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  03440002LPNIssued on 15/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Jonna

NOR 11733

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1011.7832.0741.0700.4682.0671.9664.5
52°661.5560.1511.9491.4482.8477.8473.1
60°627.3538.2497.7479.3470.2465.3460.2
75°606.1524.2487.5468.7456.9449.1440.6
90°619.1529.4487.9466.6452.0440.5424.3
110°694.9574.8508.4475.2455.1438.9412.4
120°744.0603.0525.8485.2461.8444.0414.2
135°855.7673.4574.3514.4480.8459.7426.4
150°1014.6775.8645.0563.4511.0480.1443.1
Run VMG1171.5894.9738.0636.1564.5515.2463.6
Selected Courses
Windward / Leeward1091.6863.5739.5668.3623.3593.6564.0
All purpose827.9671.3589.0544.0517.3500.0479.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward701.50.8553
All purpose566.91.0583
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7919
Downwind "popa"0.8427
70% up, 30% down "Ilhabela"0.8065
30% up, 70% down "Ilhabela-inverso"0.8268
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Predominantly Upwind599.71.0006
Predominantly Downwind595.41.0077
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low749.60.8004
Triple Number All Purpose Medium562.91.0659
Triple Number All Purpose High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Predominantly Upwind599.71.0006
Predominantly Downwind595.41.0077
Predominantly Upwind Low802.80.7474
Predominantly Upwind Medium607.30.9880
Predominantly Upwind High565.41.0613
Predominantly Downwind Low864.40.6941
Predominantly Downwind Medium600.70.9988
Predominantly Downwind High484.41.2387
Chicago-Mac Upwind0.9824
Chicago-Mac All Purpose0.9828
Chicago-Mac Downwind0.9860
Bayview-Mac Cove Island0.9140
Bayview-Mac Shore0.9338
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching538.91.1134
Predominantly Reaching Low681.70.8802
Predominantly Reaching Medium537.41.1165
Predominantly Reaching High468.31.2812
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1074.10.5586
5-Band Low / Medium886.00.6772
5-Band Medium682.60.8790
5-Band Medium / High599.91.0001
5-Band High569.21.0542
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance620.4
Triple Number Coastal/Long Distance Low749.6
Triple Number Coastal/Long Distance Medium562.9
Triple Number Coastal/Long Distance High496.6
Triple Number Windward/Leeward Low977.5
Triple Number Windward/Leeward Medium697.0
Triple Number Windward/Leeward High589.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8004
Triple Number Coastal/Long Distance Medium1.0659
Triple Number Coastal/Long Distance High1.2083
Triple Number Windward/Leeward Low0.6138
Triple Number Windward/Leeward Medium0.8608
Triple Number Windward/Leeward High1.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low749.6
Triple Number Coastal/Long Distance Medium562.9
Triple Number Coastal/Long Distance High496.6
Triple Number Windward/Leeward Low977.5
Triple Number Windward/Leeward Medium697.0
Triple Number Windward/Leeward High589.9
Predominantly Upwind599.7
Predominantly Downwind595.4
Predominantly Reaching560.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8004
Triple Number Coastal/Long Distance Medium1.0659
Triple Number Coastal/Long Distance High1.2083
Triple Number Windward/Leeward Low0.6138
Triple Number Windward/Leeward Medium0.8608
Triple Number Windward/Leeward High1.0171
Coastal/Long Distance0.9671
Predominantly Upwind1.0006
Predominantly Downwind1.0077
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8004
Tretall Distanseseilas Mellomvind1.0659
Tretall Distanseseilas Mye vind1.2083
Tretall Pølsebane Lite vind0.6138
Tretall Pølsebane Mellomvind0.8608
Tretall Pølsebane Mye vind1.0171
Distanseseilas ett tall (OSN 8-16kn)0.9671
Distanseseilas ett tall (APH 6-20kn)1.0583
Enkeltall Motvind1.0006
Enkeltall Medvind1.0077
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Coastal/Long Distance620.40.9671
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind599.71.0006
Predominantly Downwind595.41.0077
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore572.91.0473
Cape Doctor Coastal485.51.2358
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8004
Triple Number Coastal/Long Distance Medium1.0659
Triple Number Coastal/Long Distance High1.2083
Triple Number Windward/Leeward Low0.6138
Triple Number Windward/Leeward Medium0.8608
Triple Number Windward/Leeward High1.0171
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8004
Triple Number Coastal/Long Distance Medium1.0659
Triple Number Coastal/Long Distance High1.2083
Triple Number Windward/Leeward Low0.6138
Triple Number Windward/Leeward Medium0.8608
Triple Number Windward/Leeward High1.0171
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Predominantly Upwind599.71.0006
Predominantly Downwind595.41.0077
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance620.40.9671
Triple Number Coastal/Long Distance Low749.60.8004
Triple Number Coastal/Long Distance Medium562.91.0659
Triple Number Coastal/Long Distance High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.6813.1665.7581.4537.3505.9460.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low749.60.8004
Triple Number All Purpose Medium562.91.0659
Triple Number All Purpose High496.61.2083
Triple Number Windward/Leeward Low977.50.6138
Triple Number Windward/Leeward Medium697.00.8608
Triple Number Windward/Leeward High589.91.0171
Predominantly Upwind599.71.0006
Predominantly Downwind595.41.0077
Predominantly Upwind Low802.80.7474
Predominantly Upwind Medium607.30.9880
Predominantly Upwind High565.41.0613
Predominantly Downwind Low864.40.6941
Predominantly Downwind Medium600.70.9988
Predominantly Downwind High484.41.2387
Chicago-Mac Upwind0.9824
Chicago-Mac All Purpose0.9828
Chicago-Mac Downwind0.9860
Bayview-Mac Cove Island0.9140
Bayview-Mac Shore0.9338
Harvest Moon Regatta492.91.2172
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy581.01.0327
San Francisco Bay Medium690.10.8694
Predominantly Reaching538.91.1134
Predominantly Reaching Low681.70.8802
Predominantly Reaching Medium537.41.1165
Predominantly Reaching High468.31.2812
Windward/Leeward 60-40 Low966.40.6209
Windward/Leeward 60-40 Medium705.00.8510
Windward/Leeward 60-40 High617.70.9713
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1074.10.5586
5-Band Low / Medium886.00.6772
5-Band Medium682.60.8790
5-Band Medium / High599.91.0001
5-Band High569.21.0542
ORC Ref  03440002LPNIssued on 15/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Jonna

NOR 11733

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassElan 40MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.860Max. Beam3.844Draft2.054Displacement8,113Wetted area30.26IMS L10.700LSM010.541Acc. length11.906Sink (kg/mm) 23.11
VCGD0.380VCGM0.181RM Rated (kg·m) 166.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0031
EDL3.100ST10.048ST20.170
ST30.170ST40.098ST50.270
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.840IG15.410ISP15.480MDT10.120MDL10.220MDT20.120MDL20.180TL0.750MW0.220GO0.240
E5.250J4.290BAS1.630FSDFoilSFJ0.000SPL4.406WPLTPS0.000BDMWT216.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.380Flotation Date01/01/2015MeasurerComment
SFFP0.609FFMFF1.411LCFcl6.614SG1.0020
SAFP11.257FAMFA1.016LCFsh6.889HBI1.171
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002LPNIssued on 15/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Jonna

NOR 11733

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment437-2011060811550.170.002.073.464.4847.5508/06/2011
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20230.100.731.402.593.704.7314.78NoNo 37.07437-2011062913070.000.000.000.000.004.6014.40NoNo 33.7229/06/2011416-2010051211010.000.000.000.000.004.1214.00NoNo 29.3612/05/2010
ORC Ref  03440002LPNIssued on 15/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org