Club
Certificate
Non Spinnaker
2023

Boat

Mayhem

NOR 15411

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 Angles43.6°41.1°39.4°38.2°37.6°37.2°37.0°
Beat VMG3.624.485.105.455.625.725.80
52°5.556.657.367.727.897.998.09
60°5.866.937.577.928.118.228.34
75°6.077.117.738.108.368.558.78
90°5.917.017.698.108.428.719.17
110°5.196.417.337.918.328.709.45
120°4.846.087.047.718.168.569.36
135°4.175.376.377.197.778.198.97
150°3.514.625.626.497.237.778.54
Run VMG3.044.014.905.726.487.168.10
Gybe Angles146.6°151.4°155.9°162.8°170.3°176.6°179.0°

APH: 546.2

CDL: 10.971

GPH: 620.9

CertNo: 670874

BOAT
ClassFast 42DesignerSimonisBuilderFast Yachts DurbanAge date01/2003Series date01/2003Offset fileFAST42HA+.OFFData file670874
HULL
Length Overall12.750 mMaximum Beam3.820 mDraft2.469 mDisplacement7,427 kgDLR4.7565IMS DivisionCruiser/RacerDynamic Allowance0.280%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFeathering 3 bladesDiameter0.400m
CREW
Maximum weight851 kgMinimum weight638 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail50.2051.18Headsail Luffed34.6634.66Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail15.56Storm Jib10.72Heavy Weather Jib28.94
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  03440002KNPIssued on 05/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Mayhem

NOR 15411

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 VMG993.6804.0706.5660.2640.9629.9620.5
52°648.4541.4489.2466.1456.1450.5444.7
60°613.9519.8475.4454.5443.8438.0431.5
75°593.5506.0465.8444.7430.9421.0410.0
90°609.6513.4467.9444.3427.5413.3392.8
110°693.5561.4491.2454.9432.5413.6381.1
120°743.4592.5511.4466.8441.0420.7384.8
135°863.6670.2564.7500.7463.3439.7401.5
150°1026.7778.8640.4554.5498.2463.3421.7
Run VMG1185.5898.7735.2629.4555.4502.7444.7
Selected Courses
Windward / Leeward1089.5851.4720.8644.8598.2566.3532.6
All purpose823.4658.2570.7522.0493.2473.8449.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward680.10.8822
All purpose546.21.0985
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8308
Downwind "popa"0.8482
70% up, 30% down "Ilhabela"0.8359
30% up, 70% down "Ilhabela-inverso"0.8429
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Predominantly Upwind575.11.0433
Predominantly Downwind581.11.0324
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low740.80.8099
Triple Number All Purpose Medium542.31.1063
Triple Number All Purpose High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Predominantly Upwind575.11.0433
Predominantly Downwind581.11.0324
Predominantly Upwind Low788.20.7613
Predominantly Upwind Medium578.11.0379
Predominantly Upwind High531.11.1297
Predominantly Downwind Low863.90.6946
Predominantly Downwind Medium589.61.0177
Predominantly Downwind High464.81.2910
Chicago-Mac Upwind1.0235
Chicago-Mac All Purpose1.0148
Chicago-Mac Downwind1.0088
Bayview-Mac Cove Island0.9376
Bayview-Mac Shore0.9625
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching519.61.1547
Predominantly Reaching Low673.70.8906
Predominantly Reaching Medium519.61.1548
Predominantly Reaching High443.11.3540
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1071.20.5601
5-Band Low / Medium874.50.6861
5-Band Medium660.30.9087
5-Band Medium / High572.61.0478
5-Band High538.41.1144
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance599.3
Triple Number Coastal/Long Distance Low740.8
Triple Number Coastal/Long Distance Medium542.3
Triple Number Coastal/Long Distance High469.5
Triple Number Windward/Leeward Low970.4
Triple Number Windward/Leeward Medium675.7
Triple Number Windward/Leeward High561.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8099
Triple Number Coastal/Long Distance Medium1.1063
Triple Number Coastal/Long Distance High1.2780
Triple Number Windward/Leeward Low0.6183
Triple Number Windward/Leeward Medium0.8880
Triple Number Windward/Leeward High1.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low740.8
Triple Number Coastal/Long Distance Medium542.3
Triple Number Coastal/Long Distance High469.5
Triple Number Windward/Leeward Low970.4
Triple Number Windward/Leeward Medium675.7
Triple Number Windward/Leeward High561.6
Predominantly Upwind575.1
Predominantly Downwind581.1
Predominantly Reaching543.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8099
Triple Number Coastal/Long Distance Medium1.1063
Triple Number Coastal/Long Distance High1.2780
Triple Number Windward/Leeward Low0.6183
Triple Number Windward/Leeward Medium0.8880
Triple Number Windward/Leeward High1.0683
Coastal/Long Distance1.0011
Predominantly Upwind1.0433
Predominantly Downwind1.0324
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8099
Tretall Distanseseilas Mellomvind1.1063
Tretall Distanseseilas Mye vind1.2780
Tretall Pølsebane Lite vind0.6183
Tretall Pølsebane Mellomvind0.8880
Tretall Pølsebane Mye vind1.0683
Distanseseilas ett tall (OSN 8-16kn)1.0011
Distanseseilas ett tall (APH 6-20kn)1.0985
Enkeltall Motvind1.0433
Enkeltall Medvind1.0324
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Coastal/Long Distance599.31.0011
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind575.11.0433
Predominantly Downwind581.11.0324
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore542.71.1056
Cape Doctor Coastal456.71.3138
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8099
Triple Number Coastal/Long Distance Medium1.1063
Triple Number Coastal/Long Distance High1.2780
Triple Number Windward/Leeward Low0.6183
Triple Number Windward/Leeward Medium0.8880
Triple Number Windward/Leeward High1.0683
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8099
Triple Number Coastal/Long Distance Medium1.1063
Triple Number Coastal/Long Distance High1.2780
Triple Number Windward/Leeward Low0.6183
Triple Number Windward/Leeward Medium0.8880
Triple Number Windward/Leeward High1.0683
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Predominantly Upwind575.11.0433
Predominantly Downwind581.11.0324
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.31.0011
Triple Number Coastal/Long Distance Low740.80.8099
Triple Number Coastal/Long Distance Medium542.31.1063
Triple Number Coastal/Long Distance High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1099.1801.3647.3558.3512.7479.5431.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low740.80.8099
Triple Number All Purpose Medium542.31.1063
Triple Number All Purpose High469.51.2780
Triple Number Windward/Leeward Low970.40.6183
Triple Number Windward/Leeward Medium675.70.8880
Triple Number Windward/Leeward High561.61.0683
Predominantly Upwind575.11.0433
Predominantly Downwind581.11.0324
Predominantly Upwind Low788.20.7613
Predominantly Upwind Medium578.11.0379
Predominantly Upwind High531.11.1297
Predominantly Downwind Low863.90.6946
Predominantly Downwind Medium589.61.0177
Predominantly Downwind High464.81.2910
Chicago-Mac Upwind1.0235
Chicago-Mac All Purpose1.0148
Chicago-Mac Downwind1.0088
Bayview-Mac Cove Island0.9376
Bayview-Mac Shore0.9625
Harvest Moon Regatta471.61.2721
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy551.51.0880
San Francisco Bay Medium668.30.8978
Predominantly Reaching519.61.1547
Predominantly Reaching Low673.70.8906
Predominantly Reaching Medium519.61.1548
Predominantly Reaching High443.11.3540
Windward/Leeward 60-40 Low956.10.6275
Windward/Leeward 60-40 Medium678.20.8847
Windward/Leeward 60-40 High584.61.0264
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1071.20.5601
5-Band Low / Medium874.50.6861
5-Band Medium660.30.9087
5-Band Medium / High572.61.0478
5-Band High538.41.1144
ORC Ref  03440002KNPIssued on 05/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Mayhem

NOR 15411

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFast 42MeasurementHINPlan reviewHull constructionLightCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.750Max. Beam3.820Draft2.469Displacement7,427Wetted area32.31IMS L11.710LSM011.600Acc. length12.415Sink (kg/mm) 24.76
VCGD0.066VCGM0.027RM Rated (kg·m) 181.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0039
EDL1.900ST10.042ST20.180
ST30.180ST40.112ST50.300
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.810IG14.640ISP14.700MDT10.130MDL10.220MDT20.000MDL20.000TLTaperMW0.000GO0.000
E6.000J4.500BAS1.890FSDFoilSFJ0.130SPL4.580WPLTPS5.660BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.066Flotation Date01/01/2015MeasurerComment
SFFP0.454FFMFF1.330LCFcl6.953SG1.0000
SAFP11.701FAMFA0.994LCFsh7.206HBI1.115
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002KNPIssued on 05/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Mayhem

NOR 15411

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment437-2023050411240.161.192.113.544.8050.2004/05/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment437-2022083113590.080.681.272.433.564.6014.50NoNo 34.6622/06/2022
ORC Ref  03440002KNPIssued on 05/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org