Club
Certificate
2024

Boat

Goshawk

JPN 6958

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.9°40.8°39.4°38.6°38.1°37.8°37.6°38.5°
Beat VMG4.125.015.585.876.046.146.256.21
52°6.267.418.088.418.578.678.798.81
60°6.607.708.348.668.828.929.059.06
75°6.847.918.538.899.139.289.499.60
90°6.727.848.508.939.259.539.9310.18
110°6.718.038.799.239.519.7610.2110.57
120°6.557.928.739.269.7410.1210.7111.26
135°5.907.328.348.979.4910.0211.2012.63
150°4.976.287.408.278.829.219.9910.89
Run VMG4.305.446.417.177.647.988.959.74
Gybe Angles142.6°145.6°148.7°150.3°150.7°150.4°175.7°175.3°
APH ToD:471.2CDL: 12.954APH ToT: 1.2734CertNo:240440
BOAT
ClassSwan48DesignerGerman FreasBuilderNautorAge date02/2020Series date11/2019Offset fileSWAN-48-DK.offData fileJC240440
HULL
Length Overall14.767 mMaximum Beam4.564 mDraft3.005 mDisplacement14,500 kgDLR5.2307IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.163%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.508m
CREW
Maximum weight700 kg(declared)Minimum weight570 kg * when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail79.0080.43Headsail Luffed61.8361.83Headsail FlyingSymmetricAsymmetric216.38216.38 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail22.99Storm Jib21.64Heavy Weather Jib58.41
SAIL LIMITS
Headsails7  Spinnakers5
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.

Club
Certificate
2024

Boat

Goshawk

JPN 6958

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG873.9719.0645.6613.3596.4586.3575.8580.1
52°574.7486.0445.4428.1420.2415.3409.8408.6
60°545.6467.3431.5415.5408.1403.5397.9397.2
75°526.0455.2422.1404.9394.4387.8379.3375.1
90°535.9459.1423.3403.4389.3377.9362.4353.5
110°536.3448.1409.6389.9378.5368.7352.5340.6
120°549.6454.6412.3388.8369.7355.7336.2319.7
135°609.8491.8431.9401.5379.4359.1321.4284.9
150°724.9573.4486.5435.1408.3390.9360.3330.7
Run VMG837.0662.1561.7502.2471.1451.3402.2369.5
Selected Courses
Windward / Leeward855.5690.6603.7557.7533.8518.8489.0474.8
All purpose659.5543.0484.8454.9437.8425.9406.4394.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward583.01.0292
All purpose471.21.2734
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9110
Downwind "popa"1.0803
70% up, 30% down "Ilhabela"0.9559
30% up, 70% down "Ilhabela-inverso"1.0233
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Predominantly Upwind509.11.1786
Predominantly Downwind478.51.2539
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low601.20.9980
Triple Number AP Medium468.01.2821
Triple Number AP High421.51.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Single Number Predominant Upwind508.11.1808
Single Number Predominant Reaching450.41.3322
Single Number Predominant Downwind479.11.2523
Predominant Upwind - Low662.60.9055
Predominant Upwind - Low/Med556.01.0792
Predominant Upwind - Medium493.61.2157
Predominant Upwind - Med/High462.41.2976
Predominant Upwind - High447.01.3424
Predominant Downwind Low659.20.9101
Predominant Downwind Low/Med538.51.1142
Predominant Downwind Medium461.91.2989
Predominant Downwind Med/High416.31.4414
Predominant Downwind High384.91.5588
Predominant Reaching Low591.01.0153
Predominant Reaching Low/Med495.81.2101
Predominant Reaching Medium437.61.3712
Predominant Reaching Med/High402.91.4891
Predominant Reaching High380.81.5758
SA/DSPL Upwind23.48SA/DSPL Downwind49.23
Scoring OptionTODTOT
5-Band Windward/Leeward Low818.00.7335
5-Band Windward/Leeward Low/Med664.60.9028
5-Band Windward/Leeward Medium569.21.0541
5-Band Windward/Leeward Med/High519.51.1549
5-Band Windward/Leeward High491.71.2203
Windward/Leeward 60-40 Low822.20.7298
Windward/Leeward 60-40 Low/Med671.80.8932
Windward/Leeward 60-40 Medium579.81.0348
Windward/Leeward 60-40 Med/High533.31.1250
Windward/Leeward 60-40 High509.01.1787
5-Band AP Low633.00.9478
5-Band AP Low/Med526.61.1394
5-Band AP Medium461.91.2990
5-Band AP Med/High427.01.4050
5-Band AP High407.61.4720
5-Band SF Bay Tour - Low776.90.7723
5-Band SF Bay Tour - Low/Med634.80.9451
5-Band SF Bay Tour - Medium547.71.0955
5-Band SF Bay Tour - Med/High502.31.1945
5-Band SF Bay Tour - High477.71.2560
Chicago-Mac Upwind1.1580
Chicago-Mac All Purpose1.1919
Chicago-Mac Downwind1.2327
Bayview-Mac Cove Island1.1107
Bayview-Mac Shore1.1214
Harvest Moon Regatta410.11.4631
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance512.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9980
Triple Number Coastal/Long Distance Medium1.2822
Triple Number Coastal/Long Distance High1.4233
Triple Number Windward/Leeward Low0.7762
Triple Number Windward/Leeward Medium1.0378
Triple Number Windward/Leeward High1.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low601.2
Triple Number Coastal/Long Distance Medium467.9
Triple Number Coastal/Long Distance High421.6
Triple Number Windward/Leeward Low773.0
Triple Number Windward/Leeward Medium578.1
Triple Number Windward/Leeward High511.4
Predominantly Upwind509.1
Predominantly Downwind478.5
Predominantly Reaching457.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9980
Triple Number Coastal/Long Distance Medium1.2822
Triple Number Coastal/Long Distance High1.4233
Triple Number Windward/Leeward Low0.7762
Triple Number Windward/Leeward Medium1.0378
Triple Number Windward/Leeward High1.1733
Coastal/Long Distance1.1703
Predominantly Upwind1.1786
Predominantly Downwind1.2539
For information
General Purpose Handicap (GPH)527.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9980
Tretall Distanseseilas Mellomvind1.2822
Tretall Distanseseilas Mye vind1.4233
Tretall Pølsebane Lite vind0.7762
Tretall Pølsebane Mellomvind1.0378
Tretall Pølsebane Mye vind1.1733
Distanseseilas ett tall1.2734
Enkeltall Motvind1.1786
Enkeltall Medvind1.2539
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Coastal/Long Distance512.71.1703
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind509.11.1786
Predominantly Downwind478.51.2539
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore479.11.2524
Cape Doctor Coastal397.81.5084
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9980
Triple Number Coastal/Long Distance Medium1.2822
Triple Number Coastal/Long Distance High1.4233
Triple Number Windward/Leeward Low0.7762
Triple Number Windward/Leeward Medium1.0378
Triple Number Windward/Leeward High1.1733
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9980
Triple Number Coastal/Long Distance Medium1.2822
Triple Number Coastal/Long Distance High1.4233
Triple Number Windward/Leeward Low0.7762
Triple Number Windward/Leeward Medium1.0378
Triple Number Windward/Leeward High1.1733
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Predominantly Upwind509.11.1786
Predominantly Downwind478.51.2539
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance512.71.1703
Triple Number Coastal/Long Distance Low601.20.9980
Triple Number Coastal/Long Distance Medium467.91.2822
Triple Number Coastal/Long Distance High421.61.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance853.6650.2545.2485.6454.0429.5389.8377.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low601.20.9980
Triple Number AP Medium468.01.2821
Triple Number AP High421.51.4233
Triple Number Windward/Leeward Low773.00.7762
Triple Number Windward/Leeward Medium578.11.0378
Triple Number Windward/Leeward High511.41.1733
Single Number Predominant Upwind508.11.1808
Single Number Predominant Reaching450.41.3322
Single Number Predominant Downwind479.11.2523
Predominant Upwind - Low662.60.9055
Predominant Upwind - Low/Med556.01.0792
Predominant Upwind - Medium493.61.2157
Predominant Upwind - Med/High462.41.2976
Predominant Upwind - High447.01.3424
Predominant Downwind Low659.20.9101
Predominant Downwind Low/Med538.51.1142
Predominant Downwind Medium461.91.2989
Predominant Downwind Med/High416.31.4414
Predominant Downwind High384.91.5588
Predominant Reaching Low591.01.0153
Predominant Reaching Low/Med495.81.2101
Predominant Reaching Medium437.61.3712
Predominant Reaching Med/High402.91.4891
Predominant Reaching High380.81.5758
SA/DSPL Upwind23.48SA/DSPL Downwind49.23
Scoring OptionTODTOT
5-Band Windward/Leeward Low818.00.7335
5-Band Windward/Leeward Low/Med664.60.9028
5-Band Windward/Leeward Medium569.21.0541
5-Band Windward/Leeward Med/High519.51.1549
5-Band Windward/Leeward High491.71.2203
Windward/Leeward 60-40 Low822.20.7298
Windward/Leeward 60-40 Low/Med671.80.8932
Windward/Leeward 60-40 Medium579.81.0348
Windward/Leeward 60-40 Med/High533.31.1250
Windward/Leeward 60-40 High509.01.1787
5-Band AP Low633.00.9478
5-Band AP Low/Med526.61.1394
5-Band AP Medium461.91.2990
5-Band AP Med/High427.01.4050
5-Band AP High407.61.4720
5-Band SF Bay Tour - Low776.90.7723
5-Band SF Bay Tour - Low/Med634.80.9451
5-Band SF Bay Tour - Medium547.71.0955
5-Band SF Bay Tour - Med/High502.31.1945
5-Band SF Bay Tour - High477.71.2560
Chicago-Mac Upwind1.1580
Chicago-Mac All Purpose1.1919
Chicago-Mac Downwind1.2327
Bayview-Mac Cove Island1.1107
Bayview-Mac Shore1.1214
Harvest Moon Regatta410.11.4631

Club
Certificate
2024

Boat

Goshawk

JPN 6958

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSwan48MeasurementHINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA14.767Max. Beam4.564Draft3.005Displacement14,500Wetted area48.54IMS L14.050LSM014.046Acc. length14.767Sink (kg/mm) 37.54
VCGD0.163VCGM0.066RM Rated (kg·m) 439.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight1,118Declared crew weight700
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.508PBWPIPA0.0010
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P19.900IG20.800ISP22.200MDT10.156MDL10.306MDT2MDL2TLTaperMWGO
E6.600J5.660BAS1.950FSDFoilSFJSPLWPLTPS7.340BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/02/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

Goshawk

JPN 6958

JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.701.622.584.205.4679.00
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentH10.100.881.663.134.535.9020.16YesNo 61.83
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA123.0520.8421.9511.8711.68102%216.38
CRUISER/RACER REQUIREMENTS*
Accommodation length14.8 mTable area0.66 m²Headroom1.90 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity264 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity146 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.