Club
Certificate
2023

Boat

MOSTLY HARMLESS

USA 25668

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.6°40.6°39.4°38.7°37.6°37.0°37.0°
Beat VMG3.684.424.935.235.395.485.58
52°5.576.517.067.367.527.617.70
60°5.846.747.237.517.687.797.90
75°6.006.877.357.637.848.018.22
90°5.866.797.337.687.898.108.43
110°5.666.817.467.858.158.428.82
120°5.506.667.387.818.158.469.02
135°4.986.157.037.567.928.248.89
150°4.215.326.277.037.527.868.47
Run VMG3.644.615.436.156.767.287.97
Gybe Angles143.9°147.8°150.5°155.9°165.8°175.4°179.0°

APH: 543.7

CDL: 10.067

GPH: 609.2

CertNo: US7271

BOAT
ClassBENETEAU 42DesignerFRERSBuilderBENETEAUAge date06/1983Series date07/1981Offset fileFIRST42.offData fileUS6743
HULL
Length Overall12.800 mMaximum Beam3.982 mDraft2.264 mDisplacement10,319 kgDLR8.6749IMS DivisionPerformanceDynamic Allowance0.300%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.468m
CREW
Maximum weight800 kgMinimum weight600 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail39.7840.36Headsail Luffed65.1865.18Headsail FlyingSymmetricAsymmetric127.72127.72 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.68Storm Jib14.33Heavy Weather Jib38.69
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  04560002PE5Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MOSTLY HARMLESS

USA 25668

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG978.9815.1729.7688.1668.0656.3645.2
52°645.8553.0509.6489.4478.9473.3467.6
60°616.5534.4497.9479.5468.8462.4455.7
75°600.4524.3490.1471.5458.9449.5438.0
90°614.3530.0491.0469.0456.0444.6427.1
110°635.8528.8482.4458.7441.7427.7408.2
120°654.0540.6487.7461.1441.9425.7399.2
135°723.0585.3512.2476.5454.7436.9405.0
150°856.0676.5574.1512.0478.9457.9425.2
Run VMG988.4781.2662.7585.2532.6494.3451.6
Selected Courses
Windward / Leeward983.7798.1696.2636.7600.3575.3548.4
All purpose760.2629.3561.9525.0503.1488.0468.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward664.30.9033
All purpose543.71.1036
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8106
Downwind "popa"0.9341
70% up, 30% down "Ilhabela"0.8441
30% up, 70% down "Ilhabela-inverso"0.8933
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Predominantly Upwind582.41.0302
Predominantly Downwind557.11.0770
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low694.80.8636
Triple Number All Purpose Medium540.51.1101
Triple Number All Purpose High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Predominantly Upwind582.41.0302
Predominantly Downwind557.11.0770
Predominantly Upwind Low762.80.7865
Predominantly Upwind Medium597.71.0039
Predominantly Upwind High555.01.0810
Predominantly Downwind Low766.80.7825
Predominantly Downwind Medium555.51.0802
Predominantly Downwind High467.11.2845
Chicago-Mac Upwind1.0122
Chicago-Mac All Purpose1.0316
Chicago-Mac Downwind1.0578
Bayview-Mac Cove Island0.9621
Bayview-Mac Shore0.9735
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching519.71.1546
Predominantly Reaching Low632.60.9484
Predominantly Reaching Medium515.11.1648
Predominantly Reaching High458.61.3082
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low969.40.6190
5-Band Low / Medium816.00.7353
5-Band Medium648.80.9247
5-Band Medium / High580.21.0341
5-Band High553.11.0849
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance591.1
Triple Number Coastal/Long Distance Low694.8
Triple Number Coastal/Long Distance Medium540.5
Triple Number Coastal/Long Distance High484.4
Triple Number Windward/Leeward Low890.9
Triple Number Windward/Leeward Medium660.9
Triple Number Windward/Leeward High571.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8636
Triple Number Coastal/Long Distance Medium1.1101
Triple Number Coastal/Long Distance High1.2386
Triple Number Windward/Leeward Low0.6735
Triple Number Windward/Leeward Medium0.9079
Triple Number Windward/Leeward High1.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low694.8
Triple Number Coastal/Long Distance Medium540.5
Triple Number Coastal/Long Distance High484.4
Triple Number Windward/Leeward Low890.9
Triple Number Windward/Leeward Medium660.9
Triple Number Windward/Leeward High571.5
Predominantly Upwind582.4
Predominantly Downwind557.1
Predominantly Reaching533.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8636
Triple Number Coastal/Long Distance Medium1.1101
Triple Number Coastal/Long Distance High1.2386
Triple Number Windward/Leeward Low0.6735
Triple Number Windward/Leeward Medium0.9079
Triple Number Windward/Leeward High1.0499
Coastal/Long Distance1.0151
Predominantly Upwind1.0302
Predominantly Downwind1.0770
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8636
Tretall Distanseseilas Mellomvind1.1101
Tretall Distanseseilas Mye vind1.2386
Tretall Pølsebane Lite vind0.6735
Tretall Pølsebane Mellomvind0.9079
Tretall Pølsebane Mye vind1.0499
Distanseseilas ett tall (OSN 8-16kn)1.0151
Distanseseilas ett tall (APH 6-20kn)1.1036
Enkeltall Motvind1.0302
Enkeltall Medvind1.0770
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Coastal/Long Distance591.11.0151
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind582.41.0302
Predominantly Downwind557.11.0770
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore556.51.0782
Cape Doctor Coastal474.21.2652
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8636
Triple Number Coastal/Long Distance Medium1.1101
Triple Number Coastal/Long Distance High1.2386
Triple Number Windward/Leeward Low0.6735
Triple Number Windward/Leeward Medium0.9079
Triple Number Windward/Leeward High1.0499
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8636
Triple Number Coastal/Long Distance Medium1.1101
Triple Number Coastal/Long Distance High1.2386
Triple Number Windward/Leeward Low0.6735
Triple Number Windward/Leeward Medium0.9079
Triple Number Windward/Leeward High1.0499
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Predominantly Upwind582.41.0302
Predominantly Downwind557.11.0770
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance591.11.0151
Triple Number Coastal/Long Distance Low694.80.8636
Triple Number Coastal/Long Distance Medium540.51.1101
Triple Number Coastal/Long Distance High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance984.1752.6630.4559.0521.8493.7451.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low694.80.8636
Triple Number All Purpose Medium540.51.1101
Triple Number All Purpose High484.41.2386
Triple Number Windward/Leeward Low890.90.6735
Triple Number Windward/Leeward Medium660.90.9079
Triple Number Windward/Leeward High571.51.0499
Predominantly Upwind582.41.0302
Predominantly Downwind557.11.0770
Predominantly Upwind Low762.80.7865
Predominantly Upwind Medium597.71.0039
Predominantly Upwind High555.01.0810
Predominantly Downwind Low766.80.7825
Predominantly Downwind Medium555.51.0802
Predominantly Downwind High467.11.2845
Chicago-Mac Upwind1.0122
Chicago-Mac All Purpose1.0316
Chicago-Mac Downwind1.0578
Bayview-Mac Cove Island0.9621
Bayview-Mac Shore0.9735
Harvest Moon Regatta478.81.2532
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy561.81.0679
San Francisco Bay Medium653.10.9187
Predominantly Reaching519.71.1546
Predominantly Reaching Low632.60.9484
Predominantly Reaching Medium515.11.1648
Predominantly Reaching High458.61.3082
Windward/Leeward 60-40 Low892.10.6726
Windward/Leeward 60-40 Medium676.80.8865
Windward/Leeward 60-40 High599.91.0001
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low969.40.6190
5-Band Low / Medium816.00.7353
5-Band Medium648.80.9247
5-Band Medium / High580.21.0341
5-Band High553.11.0849
ORC Ref  04560002PE5Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MOSTLY HARMLESS

USA 25668

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBENETEAU 42MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.800Max. Beam3.982Draft2.264Displacement10,319Wetted area34.33IMS L10.717LSM010.595Acc. length12.800Sink (kg/mm) 24.33
VCGD-0.089VCGM-0.137RM Rated (kg·m) 243.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.468PBW0.150PIPA0.0054
PSD0.031PHD0.060PHL0.147
PSA21.8°ESL0.955
ST10.023ST20.092ST30.111
ST40.056ST50.205
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P14.996IG16.895ISP16.895MDT10.158MDL10.230MDT20.152MDL20.193TL2.250MW0.190GO0.200
E4.450J5.099BAS1.655FSD0.045SFJ0.000SPL5.201WPLTPS5.099BD0.200MWT249.00MCG5.460
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.089Flotation Date23/07/2021MeasurerComment
SFFP0.600FFMFF1.306LCFcl6.919SG1.0220
SAFP11.980FAMFA1.013LCFsh7.198HBI1.131
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002PE5Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MOSTLY HARMLESS

USA 25668

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment25613360.160.951.682.873.7439.78fiberpath
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment25613450.060.971.933.865.857.8916.69NoNo 65.18Fiberpath
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment185752718.0215.4816.759.179.07101%127.72A2
ORC Ref  04560002PE5Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org