Club
Certificate
2023

Boat

COMFORTABLY NUMB

USA 25434

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 Angles44.7°43.0°41.7°40.8°40.2°39.9°39.9°
Beat VMG3.574.304.774.995.105.175.20
52°5.526.497.027.247.357.427.47
60°5.876.777.227.457.577.647.71
75°6.096.947.387.647.827.938.07
90°5.976.907.407.707.948.138.41
110°5.726.887.517.898.198.448.78
120°5.566.747.447.868.228.559.12
135°5.016.217.107.617.998.359.08
150°4.245.396.347.017.427.718.23
Run VMG3.674.665.496.076.436.907.67
Gybe Angles144.2°147.5°147.8°148.7°150.2°173.0°176.8°

APH: 551.4

CDL: 9.549

GPH: 615.9

CertNo: US7011

BOAT
ClassFIRST 42 SD TMDesignerFRERSBuilderBENETEAUAge date09/1986Series date07/1981Offset fileFIRST42SD.offData fileUS7011
HULL
Length Overall12.760 mMaximum Beam3.982 mDraft1.815 mDisplacement8,830 kgDLR7.9929IMS DivisionCruiser/RacerDynamic Allowance0.140%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.507m
CREW
Maximum weight980 kgMinimum weight735 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail40.5341.11Headsail Luffed64.0064.00Headsail FlyingSymmetricAsymmetric126.94126.94 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail12.13Storm Jib14.38Heavy Weather Jib38.82
SAIL LIMITS
Headsails5  Spinnakers4
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  04560002QAEIssued on 14/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

COMFORTABLY NUMB

USA 25434

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 VMG1007.7837.1754.4721.5705.4696.6692.6
52°651.9554.5513.2497.1489.6485.4481.7
60°613.5532.0498.5483.1475.9471.5467.2
75°590.9518.8488.0471.1460.4453.9446.2
90°603.4521.7486.5467.3453.6442.7428.1
110°629.8522.9479.3456.4439.5426.4409.9
120°647.3533.9483.8457.9438.1421.3394.8
135°719.2579.3507.3473.0450.6431.2396.6
150°848.8668.5568.3513.3485.2466.6437.2
Run VMG980.1771.9656.2592.7560.2521.7469.6
Selected Courses
Windward / Leeward993.9804.5705.3657.1632.8609.2581.1
All purpose762.2629.6564.7533.2515.6501.4483.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward684.90.8761
All purpose551.41.0881
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7756
Downwind "popa"0.9226
70% up, 30% down "Ilhabela"0.8145
30% up, 70% down "Ilhabela-inverso"0.8730
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Predominantly Upwind594.01.0101
Predominantly Downwind560.11.0713
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low695.90.8622
Triple Number All Purpose Medium547.31.0962
Triple Number All Purpose High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Predominantly Upwind594.01.0101
Predominantly Downwind560.11.0713
Predominantly Upwind Low772.80.7764
Predominantly Upwind Medium614.00.9772
Predominantly Upwind High579.71.0350
Predominantly Downwind Low763.60.7857
Predominantly Downwind Medium557.71.0758
Predominantly Downwind High478.11.2551
Chicago-Mac Upwind0.9928
Chicago-Mac All Purpose1.0208
Chicago-Mac Downwind1.0539
Bayview-Mac Cove Island0.9570
Bayview-Mac Shore0.9657
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching521.31.1510
Predominantly Reaching Low629.10.9537
Predominantly Reaching Medium515.21.1646
Predominantly Reaching High461.91.2989
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low979.30.6127
5-Band Low / Medium825.00.7272
5-Band Medium669.30.8964
5-Band Medium / High612.50.9795
5-Band High585.91.0240
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance600.8
Triple Number Coastal/Long Distance Low695.9
Triple Number Coastal/Long Distance Medium547.3
Triple Number Coastal/Long Distance High498.2
Triple Number Windward/Leeward Low899.1
Triple Number Windward/Leeward Medium679.3
Triple Number Windward/Leeward High604.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8622
Triple Number Coastal/Long Distance Medium1.0962
Triple Number Coastal/Long Distance High1.2043
Triple Number Windward/Leeward Low0.6673
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High0.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low695.9
Triple Number Coastal/Long Distance Medium547.3
Triple Number Coastal/Long Distance High498.2
Triple Number Windward/Leeward Low899.1
Triple Number Windward/Leeward Medium679.3
Triple Number Windward/Leeward High604.5
Predominantly Upwind594.0
Predominantly Downwind560.1
Predominantly Reaching534.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8622
Triple Number Coastal/Long Distance Medium1.0962
Triple Number Coastal/Long Distance High1.2043
Triple Number Windward/Leeward Low0.6673
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High0.9925
Coastal/Long Distance0.9986
Predominantly Upwind1.0101
Predominantly Downwind1.0713
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8622
Tretall Distanseseilas Mellomvind1.0962
Tretall Distanseseilas Mye vind1.2043
Tretall Pølsebane Lite vind0.6673
Tretall Pølsebane Mellomvind0.8832
Tretall Pølsebane Mye vind0.9925
Distanseseilas ett tall (OSN 8-16kn)0.9986
Distanseseilas ett tall (APH 6-20kn)1.0881
Enkeltall Motvind1.0101
Enkeltall Medvind1.0713
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Coastal/Long Distance600.80.9986
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind594.01.0101
Predominantly Downwind560.11.0713
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore589.51.0178
Cape Doctor Coastal488.81.2275
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8622
Triple Number Coastal/Long Distance Medium1.0962
Triple Number Coastal/Long Distance High1.2043
Triple Number Windward/Leeward Low0.6673
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High0.9925
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8622
Triple Number Coastal/Long Distance Medium1.0962
Triple Number Coastal/Long Distance High1.2043
Triple Number Windward/Leeward Low0.6673
Triple Number Windward/Leeward Medium0.8832
Triple Number Windward/Leeward High0.9925
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Predominantly Upwind594.01.0101
Predominantly Downwind560.11.0713
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance600.80.9986
Triple Number Coastal/Long Distance Low695.90.8622
Triple Number Coastal/Long Distance Medium547.31.0962
Triple Number Coastal/Long Distance High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance992.5756.4636.0570.2535.8506.5461.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low695.90.8622
Triple Number All Purpose Medium547.31.0962
Triple Number All Purpose High498.21.2043
Triple Number Windward/Leeward Low899.10.6673
Triple Number Windward/Leeward Medium679.30.8832
Triple Number Windward/Leeward High604.50.9925
Predominantly Upwind594.01.0101
Predominantly Downwind560.11.0713
Predominantly Upwind Low772.80.7764
Predominantly Upwind Medium614.00.9772
Predominantly Upwind High579.71.0350
Predominantly Downwind Low763.60.7857
Predominantly Downwind Medium557.71.0758
Predominantly Downwind High478.11.2551
Chicago-Mac Upwind0.9928
Chicago-Mac All Purpose1.0208
Chicago-Mac Downwind1.0539
Bayview-Mac Cove Island0.9570
Bayview-Mac Shore0.9657
Harvest Moon Regatta481.01.2475
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy588.61.0193
San Francisco Bay Medium667.60.8988
Predominantly Reaching521.31.1510
Predominantly Reaching Low629.10.9537
Predominantly Reaching Medium515.21.1646
Predominantly Reaching High461.91.2989
Windward/Leeward 60-40 Low903.80.6639
Windward/Leeward 60-40 Medium699.30.8579
Windward/Leeward 60-40 High636.10.9433
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low979.30.6127
5-Band Low / Medium825.00.7272
5-Band Medium669.30.8964
5-Band Medium / High612.50.9795
5-Band High585.91.0240
ORC Ref  04560002QAEIssued on 14/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

COMFORTABLY NUMB

USA 25434

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 42 SD TMMeasurement10/06/2021HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.760Max. Beam3.982Draft1.815Displacement8,830Wetted area32.80IMS L10.530LSM010.337Acc. length12.800Sink (kg/mm) 23.12
VCGD0.064VCGM0.086RM Rated (kg·m) 183.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.507PBW0.133PIPA0.0061
PSD0.032PHD0.062PHL0.172
PSA23.0°ESL0.992
ST10.028ST20.126ST30.126
ST40.056ST50.267
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P15.000IG16.957ISP16.957MDT10.156MDL10.229MDT20.153MDL20.189TL2.158MW0.189GO0.189
E4.620J5.066BAS1.744FSD0.035SFJ0.000SPLWPLTPS5.376BD0.154MWT260.20MCG5.678
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered183.1Flotation Date10/06/2021MeasurerComment
SFFP0.600FFMFF1.473LCFcl7.006SG
SAFP11.980FAMFA1.008LCFsh7.282HBI1.232
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002QAEIssued on 14/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

COMFORTABLY NUMB

USA 25434

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.160.981.732.923.7540.5312/03/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGenoa0.040.961.943.875.817.8316.46NoNo 64.0012/03/2018
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA217.4915.7916.649.159.17100%126.9425/05/2016
ORC Ref  04560002QAEIssued on 14/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org