International
Certificate
2021

Boat

CHRISTOPHER DRAGON

39

 
Offshore
Racing
Congress

Certificate number: US7397
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles43.5°41.1°38.6°37.5°36.8°35.6°36.0°
Beat VMG4.665.485.926.146.256.426.47
52°7.218.088.428.648.838.959.27
60°7.668.398.809.109.369.569.87
75°8.018.829.489.9310.2910.5610.81
90°8.058.929.8510.5611.0211.4512.00
110°7.638.489.3510.1411.1512.2313.70
120°7.138.399.4110.2411.0212.0913.97
135°6.387.958.829.9011.1812.5014.47
150°5.326.767.868.749.6110.8013.74
Run VMG4.615.856.817.538.329.3611.90
Gybe Angles142.0°144.0°149.3°151.5°147.5°145.5°143.8°

GPH = 482.5

CDL = 12.552

BOAT
ClassKER 40+𝕚DesignerJason KerBuilderMcConaghyAge Date01/2016Series Date01/2015Offset FileKER40+ -USA39.off
HULL
Length Overall12.548 mMaximum Beam4.186 mDraft3.002 mDisplacement4,363 kgDLR2.7290IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.195%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.446m
CREW
Maximum weight825 kg𝕚Minimum weight619 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail61.9763.33Headsail Luffed43.7343.73Headsail Flying74.06𝕚75.17𝕚SymmetricAsymmetric189.24𝕚189.24𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails7 Spinnakers5
STABILITY
Righting Moment179.9 kg·mStability Index133.1
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  03880001JS0Issued on 26/08/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

International
Certificate
2021

Boat

CHRISTOPHER DRAGON

39

 
Offshore
Racing
Congress

Certificate number: US7397
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG772.1657.1608.1586.7575.8560.9556.1
52°499.7445.7427.6416.7407.8402.0388.5
60°470.0428.9409.3395.7384.6376.6364.6
75°449.3408.1379.8362.5349.8340.8332.9
90°447.2403.8365.4340.8326.6314.5300.1
110°471.6424.7385.2355.2323.0294.4262.9
120°505.0429.0382.5351.5326.7297.7257.8
135°564.2452.9408.0363.8321.9288.1248.8
150°676.8532.9457.9411.7374.5333.3261.9
Run VMG781.5615.4528.7477.8432.5384.8302.5
Selected Courses
Windward / Leeward776.8636.2568.4532.3504.1472.9429.3
All purpose588.9498.6452.1423.8400.9378.6348.7
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward545.41.1001
All purpose432.31.3878
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.9729
Downwind "popa"1.1921
70% up, 30% down "Ilhabela"1.0297
30% up, 70% down "Ilhabela-inverso"1.1167
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Predominantly Upwind473.21.2680
Predominantly Downwind434.91.3797
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low543.71.1035
Triple Number All Purpose Medium433.71.3833
Triple Number All Purpose High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Predominantly Upwind473.21.2680
Predominantly Downwind434.91.3797
Predominantly Upwind Low601.50.9976
Predominantly Upwind Medium495.61.2107
Predominantly Upwind High461.01.3015
Predominantly Downwind Low601.30.9978
Predominantly Downwind Medium437.61.3711
Predominantly Downwind High338.31.7737
Chicago-Mac Upwind1.2469
Chicago-Mac All Purpose1.2985
Chicago-Mac Downwind1.3506
Bayview-Mac Cove Island1.2222
Bayview-Mac Shore1.2330
Victoria-Maui1.4785
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance473.1
Triple Number Coastal/Long Distance Low543.7
Triple Number Coastal/Long Distance Medium433.7
Triple Number Coastal/Long Distance High373.0
Triple Number Windward/Leeward Low706.5
Triple Number Windward/Leeward Medium546.0
Triple Number Windward/Leeward High464.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.1035
Triple Number Coastal/Long Distance Medium1.3833
Triple Number Coastal/Long Distance High1.6087
Triple Number Windward/Leeward Low0.8492
Triple Number Windward/Leeward Medium1.0990
Triple Number Windward/Leeward High1.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low543.7
Triple Number Coastal/Long Distance Medium433.7
Triple Number Coastal/Long Distance High373.0
Triple Number Windward/Leeward Low706.5
Triple Number Windward/Leeward Medium546.0
Triple Number Windward/Leeward High464.3
Predominantly Upwind473.2
Predominantly Downwind434.9
Predominantly Reaching411.1
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.1035
Triple Number Coastal/Long Distance Medium1.3833
Triple Number Coastal/Long Distance High1.6087
Triple Number Windward/Leeward Low0.8492
Triple Number Windward/Leeward Medium1.0990
Triple Number Windward/Leeward High1.2922
Coastal/Long Distance1.2681
Predominantly Upwind1.2680
Predominantly Downwind1.3797
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.2681
Tretall Distanseseilas Lite vind1.1035
Tretall Distanseseilas Mellomvind1.3833
Tretall Distanseseilas Mye vind1.6087
Tretall Pølsebane Lite vind0.8492
Tretall Pølsebane Mellomvind1.0990
Tretall Pølsebane Mye vind1.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind473.21.2680
Predominantly Downwind434.91.3797
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore442.41.3564
Cape Doctor Coastal357.71.6775
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.1035
Triple Number Coastal/Long Distance Medium1.3833
Triple Number Coastal/Long Distance High1.6087
Triple Number Windward/Leeward Low0.8492
Triple Number Windward/Leeward Medium1.0990
Triple Number Windward/Leeward High1.2922
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.1035
Triple Number Coastal/Long Distance Medium1.3833
Triple Number Coastal/Long Distance High1.6087
Triple Number Windward/Leeward Low0.8492
Triple Number Windward/Leeward Medium1.0990
Triple Number Windward/Leeward High1.2922
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Predominantly Upwind473.21.2680
Predominantly Downwind434.91.3797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance473.11.2681
Triple Number Coastal/Long Distance Low543.71.1035
Triple Number Coastal/Long Distance Medium433.71.3833
Triple Number Coastal/Long Distance High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance777.3598.7510.6455.6419.5382.7327.7
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low543.71.1035
Triple Number All Purpose Medium433.71.3833
Triple Number All Purpose High373.01.6087
Triple Number Windward/Leeward Low706.50.8492
Triple Number Windward/Leeward Medium546.01.0990
Triple Number Windward/Leeward High464.31.2922
Predominantly Upwind473.21.2680
Predominantly Downwind434.91.3797
Predominantly Upwind Low601.50.9976
Predominantly Upwind Medium495.61.2107
Predominantly Upwind High461.01.3015
Predominantly Downwind Low601.30.9978
Predominantly Downwind Medium437.61.3711
Predominantly Downwind High338.31.7737
Chicago-Mac Upwind1.2469
Chicago-Mac All Purpose1.2985
Chicago-Mac Downwind1.3506
Bayview-Mac Cove Island1.2222
Bayview-Mac Shore1.2330
Harvest Moon Regatta372.01.6129
Victoria-Maui1.4785
ORC Ref  03880001JS0Issued on 26/08/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

International
Certificate
2021

Boat

CHRISTOPHER DRAGON

39

 
Offshore
Racing
Congress

Certificate number: US7397
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassKER 40+𝕚Measurement03/06/2021𝕚Measurer𝕚HIN𝕚Plan review𝕚Hull constructionCarbon𝕚Carbon RudderYes𝕚Light stanchionsYes𝕚Trim tabNo𝕚
LOA12.548𝕚Max. Beam4.186𝕚Draft3.002𝕚Displacement4,363𝕚Wetted area27.78𝕚IMS L12.169𝕚LSM011.693𝕚Acc. length12.548𝕚Sink (kg/mm)21.69𝕚
VCGD-0.884𝕚VCGM-0.845𝕚RM Measured (kg·m)179.9𝕚RM Default (kg·m)159.5𝕚Limit of positive stability(°)136.8𝕚Stability Index133.1𝕚
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationStrut𝕚PRD0.446𝕚EDL0.820𝕚ST30.180𝕚Twin screwNo𝕚PBW0.120𝕚ST10.042𝕚ST40.112𝕚PIPA0.0037𝕚ST20.180𝕚ST50.270𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerNo𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingYes𝕚Runners/Checkstays1𝕚Spreaders2𝕚
P17.100𝕚IG16.483𝕚ISP18.801𝕚MDT10.125𝕚MDL10.246𝕚MDT20.101𝕚MDL20.122𝕚TL2.265𝕚MW0.233𝕚GO0.258𝕚
E5.670𝕚J4.935𝕚BAS1.703𝕚FSD0.035𝕚SFJ0.341𝕚SPL𝕚TPS7.450𝕚BD0.292𝕚MWT150.00𝕚MCG6.465𝕚
IdISPTPS1𝕚17.019𝕚7.450𝕚
FLOTATION AND STABILITY
Inclining TestBoom Inclining𝕚SFFP0.562𝕚SAFP12.468𝕚Flotation Date03/06/2021𝕚FFM1.203𝕚FAM0.944𝕚Measurer𝕚FF1.204𝕚FA0.947𝕚Comment𝕚LCFcl6.784𝕚LCFsh7.036𝕚SG1.0230𝕚HBI1.133𝕚
W190.2𝕚W290.2𝕚W390.2𝕚W490.2𝕚LCFD6.882𝕚
PD1218.0𝕚PD2216.8𝕚PD3215.6𝕚PD4214.6𝕚
WD5.477𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
MEASUREMENT INVENTORY
IdItemDescriptionWeightLCGVCGSaS𝕚Tools (d)Sailor Services𝕚24.3𝕚7.98𝕚0.10𝕚
ORC Ref  03880001JS0Issued on 26/08/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

International
Certificate
2021

Boat

CHRISTOPHER DRAGON

39

 
Offshore
Racing
Congress

Certificate number: US7397
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialCommentUK MAIN𝕚1.16𝕚1.86𝕚2.56𝕚3.74𝕚4.78𝕚61.97𝕚𝕚18/06/2020𝕚UK𝕚Unknown𝕚𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialCommentLRH𝕚0.05𝕚1.21𝕚2.35𝕚4.39𝕚6.22𝕚7.91𝕚17.60𝕚No𝕚Yes𝕚0𝕚74.06𝕚𝕚21/05/2021𝕚UK𝕚Unknown𝕚𝕚2406401𝕚0.13𝕚0.81𝕚1.56𝕚2.69𝕚3.85𝕚4.95𝕚16.58𝕚Yes𝕚No𝕚 𝕚43.73𝕚𝕚𝕚Butch Ullmer-UKNY𝕚𝕚North #1 Jib𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialComment2021 A2𝕚21.02𝕚17.66𝕚19.34𝕚11.84𝕚11.35𝕚104%𝕚189.24𝕚𝕚02/06/2021𝕚UK Northeast𝕚Unknown𝕚𝕚
ORC Ref  03880001JS0Issued on 26/08/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org