Club
Certificate
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 VMG3.624.485.095.455.625.725.80
52°5.556.657.367.727.897.998.09
60°5.866.927.577.928.118.228.34
75°6.067.117.738.098.358.558.78
90°5.917.117.838.238.468.719.16
110°5.857.147.928.408.839.229.79
120°5.646.937.788.318.799.2610.25
135°5.016.307.307.958.438.9210.00
150°4.205.406.437.247.838.289.17
Run VMG3.644.685.576.286.967.578.45
Gybe Angles142.4°146.6°148.4°154.1°161.9°174.8°179.0°

APH: 521.4

CDL: 10.971

GPH: 588.8

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 Allowance0.270%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 FlyingSymmetric120.2680.27Asymmetric81.4488.17 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail15.56Storm Jib10.72Heavy Weather Jib28.94
SAIL LIMITS
Headsails6  Spinnakers5 * Asymmetric may be tacked on the pole
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  03440002KLMIssued on 05/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
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 VMG993.9804.2706.7660.2640.9629.9620.4
52°648.7541.6489.3466.2456.2450.6444.8
60°614.1520.0475.5454.5443.9438.1431.6
75°593.8506.2465.9444.8430.9421.1410.2
90°609.6506.1460.0437.6425.4413.4393.0
110°614.9504.1454.7428.6407.5390.4367.6
120°638.0519.6462.8433.2409.7388.7351.4
135°719.2571.8493.5452.9426.9403.5360.0
150°856.6666.7560.0497.1459.6434.5392.4
Run VMG989.1769.8646.7573.2517.0475.3426.0
Selected Courses
Windward / Leeward991.5787.0676.7616.7579.0552.6523.2
All purpose759.7614.5540.2501.5477.7460.8437.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward645.80.9290
All purpose521.41.1507
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8307
Downwind "popa"0.9552
70% up, 30% down "Ilhabela"0.8645
30% up, 70% down "Ilhabela-inverso"0.9141
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Predominantly Upwind560.91.0697
Predominantly Downwind536.81.1177
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low687.00.8733
Triple Number All Purpose Medium517.91.1586
Triple Number All Purpose High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Predominantly Upwind560.91.0697
Predominantly Downwind536.81.1177
Predominantly Upwind Low759.60.7899
Predominantly Upwind Medium574.01.0452
Predominantly Upwind High529.11.1340
Predominantly Downwind Low760.50.7889
Predominantly Downwind Medium536.01.1195
Predominantly Downwind High439.61.3649
Chicago-Mac Upwind1.0500
Chicago-Mac All Purpose1.0704
Chicago-Mac Downwind1.0967
Bayview-Mac Cove Island0.9894
Bayview-Mac Shore1.0037
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching495.71.2105
Predominantly Reaching Low622.90.9633
Predominantly Reaching Medium491.51.2206
Predominantly Reaching High428.41.4007
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low975.80.6149
5-Band Low / Medium807.70.7428
5-Band Medium629.20.9536
5-Band Medium / High557.51.0762
5-Band High528.31.1358
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance569.3
Triple Number Coastal/Long Distance Low687.0
Triple Number Coastal/Long Distance Medium517.9
Triple Number Coastal/Long Distance High456.3
Triple Number Windward/Leeward Low889.3
Triple Number Windward/Leeward Medium641.4
Triple Number Windward/Leeward High548.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8733
Triple Number Coastal/Long Distance Medium1.1586
Triple Number Coastal/Long Distance High1.3148
Triple Number Windward/Leeward Low0.6747
Triple Number Windward/Leeward Medium0.9354
Triple Number Windward/Leeward High1.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low687.0
Triple Number Coastal/Long Distance Medium517.9
Triple Number Coastal/Long Distance High456.3
Triple Number Windward/Leeward Low889.3
Triple Number Windward/Leeward Medium641.4
Triple Number Windward/Leeward High548.1
Predominantly Upwind560.9
Predominantly Downwind536.8
Predominantly Reaching510.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8733
Triple Number Coastal/Long Distance Medium1.1586
Triple Number Coastal/Long Distance High1.3148
Triple Number Windward/Leeward Low0.6747
Triple Number Windward/Leeward Medium0.9354
Triple Number Windward/Leeward High1.0946
Coastal/Long Distance1.0538
Predominantly Upwind1.0697
Predominantly Downwind1.1177
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8733
Tretall Distanseseilas Mellomvind1.1586
Tretall Distanseseilas Mye vind1.3148
Tretall Pølsebane Lite vind0.6747
Tretall Pølsebane Mellomvind0.9354
Tretall Pølsebane Mye vind1.0946
Distanseseilas ett tall (OSN 8-16kn)1.0538
Distanseseilas ett tall (APH 6-20kn)1.1507
Enkeltall Motvind1.0697
Enkeltall Medvind1.1177
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Coastal/Long Distance569.31.0538
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind560.91.0697
Predominantly Downwind536.81.1177
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore532.01.1278
Cape Doctor Coastal444.61.3496
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8733
Triple Number Coastal/Long Distance Medium1.1586
Triple Number Coastal/Long Distance High1.3148
Triple Number Windward/Leeward Low0.6747
Triple Number Windward/Leeward Medium0.9354
Triple Number Windward/Leeward High1.0946
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8733
Triple Number Coastal/Long Distance Medium1.1586
Triple Number Coastal/Long Distance High1.3148
Triple Number Windward/Leeward Low0.6747
Triple Number Windward/Leeward Medium0.9354
Triple Number Windward/Leeward High1.0946
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Predominantly Upwind560.91.0697
Predominantly Downwind536.81.1177
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance569.31.0538
Triple Number Coastal/Long Distance Low687.00.8733
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance991.3740.2609.5535.5496.3466.1418.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low687.00.8733
Triple Number All Purpose Medium517.91.1586
Triple Number All Purpose High456.31.3148
Triple Number Windward/Leeward Low889.30.6747
Triple Number Windward/Leeward Medium641.40.9354
Triple Number Windward/Leeward High548.11.0946
Predominantly Upwind560.91.0697
Predominantly Downwind536.81.1177
Predominantly Upwind Low759.60.7899
Predominantly Upwind Medium574.01.0452
Predominantly Upwind High529.11.1340
Predominantly Downwind Low760.50.7889
Predominantly Downwind Medium536.01.1195
Predominantly Downwind High439.61.3649
Chicago-Mac Upwind1.0500
Chicago-Mac All Purpose1.0704
Chicago-Mac Downwind1.0967
Bayview-Mac Cove Island0.9894
Bayview-Mac Shore1.0037
Harvest Moon Regatta451.11.3302
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy536.11.1192
San Francisco Bay Medium633.10.9477
Predominantly Reaching495.71.2105
Predominantly Reaching Low622.90.9633
Predominantly Reaching Medium491.51.2206
Predominantly Reaching High428.41.4007
Windward/Leeward 60-40 Low891.20.6732
Windward/Leeward 60-40 Medium655.60.9152
Windward/Leeward 60-40 High575.71.0422
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low975.80.6149
5-Band Low / Medium807.70.7428
5-Band Medium629.20.9536
5-Band Medium / High557.51.0762
5-Band High528.31.1358
ORC Ref  03440002KLMIssued on 05/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
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 L11.712LSM011.600Acc. 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  03440002KLMIssued on 05/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment415-20230503225815.130.007.579.639.17120.2602/05/2023415-20230503224615.800.007.907.507.4698.6402/05/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment415-20230503224514.8013.3014.056.837.4692%81.4402/05/2023
ORC Ref  03440002KLMIssued on 05/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org