Non Spin/HSFClub Certificate2025
Alpha CrucisAUS 61
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.7°42.7°40.5°39.8°39.4°39.4°39.4°40.0°42.7°
Beat VMG2.403.253.854.144.284.354.394.404.19
52°3.734.925.676.016.176.266.326.376.29
60°3.975.185.896.226.386.476.536.596.57
75°4.165.396.086.426.616.746.826.946.98
90°4.055.316.096.486.736.917.077.347.54
110°3.444.785.816.386.737.007.277.858.22
120°3.164.455.526.226.636.947.237.918.84
135°2.643.824.895.746.316.697.007.678.69
150°2.183.234.245.135.866.376.727.358.18
Run VMG1.882.803.694.515.285.936.407.057.75
Gybe Angles148.5°148.5°153.7°180.0°180.0°180.0°180.0°180.0°180.0°
APH ToD:645.9CDL: 7.022APH ToT: 0.9289CertNo:2804
BOAT
ClassInternational 5.5DesignerSebastian SchmidtBuilderYachtwerft ChristoAge date01/2009Series date01/1949Offset filealphacrucis.offData file2804
HULL
Length Overall9.070 mMaximum Beam1.900 mDraft1.356 mDisplacement2,003 kgDLR5.5301IMS DivisionPerformanceDynamic Allowance0.300%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight250 kg(declared)Minimum weight130 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.1521.67Headsail Luffed11.1511.15Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.48Storm Jib3.95Heavy Weather Jib10.65
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
DISP - 2007
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  03020003WHVIssued on 07/08/2025Valid until 30/06/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2025
Alpha CrucisAUS 61
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1500.21107.6936.1869.9841.8827.3819.3819.0859.3
52°965.1731.1635.0598.8583.3574.8569.7565.3571.9
60°906.2694.4610.7579.0564.2556.4551.4546.3547.9
75°866.2668.4591.9560.9544.7534.5527.7518.6515.5
90°889.8677.6591.2555.2535.1521.2509.5490.3477.8
110°1045.9753.4620.0563.9534.9514.0495.4458.4438.0
120°1140.4808.6652.4579.1543.0518.9497.9455.0407.3
135°1364.4942.2736.3627.0570.5538.4514.2469.1414.2
150°1653.41113.9848.4701.4614.2565.4535.7489.6440.0
Run VMG1912.11286.3976.7798.9682.2607.4562.6510.3464.2
Selected Courses
Windward / Leeward1700.91196.9956.4834.4762.0717.4691.0664.7661.8
All purpose1260.4907.8744.1666.1623.8598.4581.5558.2547.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward796.80.7530
All purpose645.90.9289
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.10.8510
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6751
Downwind "popa"0.7743
70% up, 30% down "Ilhabela"0.7021
30% up, 70% down "Ilhabela-inverso"0.7416
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Predominantly Upwind692.30.8667
Predominantly Downwind663.10.9049
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low826.00.7264
Triple Number AP Medium641.60.9351
Triple Number AP High577.01.0399
Triple Number Windward/Leeward Low1127.40.5322
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Single Number Predominant Upwind718.10.8356
Single Number Predominant Reaching641.00.9361
Single Number Predominant Downwind697.90.8597
Predominant Upwind - Low957.60.6266
Predominant Upwind - Low/Med747.60.8026
Predominant Upwind - Medium673.00.8915
Predominant Upwind - Med/High636.30.9430
Predominant Upwind - High623.20.9627
Predominant Downwind Low1059.30.5664
Predominant Downwind Low/Med762.90.7865
Predominant Downwind Medium637.00.9419
Predominant Downwind Med/High563.31.0652
Predominant Downwind High524.81.1433
Predominant Reaching Low888.50.6753
Predominant Reaching Low/Med678.90.8838
Predominant Reaching Medium598.11.0031
Predominant Reaching Med/High552.51.0859
Predominant Reaching High526.71.1391
SA/DSPL Upwind20.28SA/DSPL Downwind20.28
Scoring OptionTODTOT
5-Band Windward/Leeward Low1264.10.4746
5-Band Windward/Leeward Low/Med920.10.6521
5-Band Windward/Leeward Medium776.80.7724
5-Band Windward/Leeward Med/High697.00.8609
5-Band Windward/Leeward High668.70.8972
Windward/Leeward 60-40 Low1243.90.4824
Windward/Leeward 60-40 Low/Med920.90.6515
Windward/Leeward 60-40 Medium791.50.7581
Windward/Leeward 60-40 Med/High722.10.8309
Windward/Leeward 60-40 High700.20.8569
5-Band AP Low925.30.6484
5-Band AP Low/Med723.00.8299
5-Band AP Medium633.00.9478
5-Band AP Med/High584.01.0274
5-Band AP High560.31.0708
5-Band SF Bay Tour - Low1077.70.5568
5-Band SF Bay Tour - Low/Med877.20.6840
5-Band SF Bay Tour - Medium752.30.7975
5-Band SF Bay Tour - Med/High685.30.8755
5-Band SF Bay Tour - High660.10.9089
Chicago-Mac Upwind0.8130
Chicago-Mac All Purpose0.8244
Chicago-Mac Downwind0.8261
Bayview-Mac Cove Island0.5985
Bayview-Mac Shore0.6061
Harvest Moon Regatta557.21.0768
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.10.8510
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.10.8510
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance705.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating705.10.8510
FinRating, kevyt tuuli1243.90.8039
FinRating, kova tuuli562.60.8887
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8510
Triple Number Coastal/Long Distance Low0.7264
Triple Number Coastal/Long Distance Medium0.9352
Triple Number Coastal/Long Distance High1.0399
Triple Number Windward/Leeward Low0.5573
Triple Number Windward/Leeward Medium0.7584
Triple Number Windward/Leeward High0.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
For information
General Purpose Handicap (GPH)724.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.10.8510
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.10.8510
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.10.8510
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low826.0
Triple Number Coastal/Long Distance Medium641.6
Triple Number Coastal/Long Distance High577.0
Triple Number Windward/Leeward Low1076.6
Triple Number Windward/Leeward Medium791.1
Triple Number Windward/Leeward High687.7
Predominantly Upwind692.3
Predominantly Downwind663.1
Predominantly Reaching629.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.10.8510
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7264
Triple Number Coastal/Long Distance Medium0.9352
Triple Number Coastal/Long Distance High1.0399
Triple Number Windward/Leeward Low0.5573
Triple Number Windward/Leeward Medium0.7584
Triple Number Windward/Leeward High0.8725
Coastal/Long Distance0.8510
Predominantly Upwind0.8667
Predominantly Downwind0.9049
For information
General Purpose Handicap (GPH)724.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9289
Distanseseilas Trippeltall svak vind0.7264
Distanseseilas Trippeltall mellomvind0.9352
Distanseseilas Trippeltall sterk vind1.0399
Pølsebane Trippeltall svak vind0.5573
Pølsebane Trippeltall mellomvind0.7584
Pølsebane Trippeltall sterk vind0.8725
Motvind Singeltall0.8667
Medvind Singeltall0.9049
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Coastal/Long Distance705.10.8510
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind692.30.8667
Predominantly Downwind663.10.9049
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore662.60.9055
Cape Doctor Coastal550.41.0901
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7264
Triple Number Coastal/Long Distance Medium0.9352
Triple Number Coastal/Long Distance High1.0399
Triple Number Windward/Leeward Low0.5573
Triple Number Windward/Leeward Medium0.7584
Triple Number Windward/Leeward High0.8725
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7264
Triple Number Coastal/Long Distance Medium0.9352
Triple Number Coastal/Long Distance High1.0399
Triple Number Windward/Leeward Low0.5573
Triple Number Windward/Leeward Medium0.7584
Triple Number Windward/Leeward High0.8725
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.10.8510
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Predominantly Upwind692.30.8667
Predominantly Downwind663.10.9049
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.10.8510
Triple Number Coastal/Long Distance Low826.00.7264
Triple Number Coastal/Long Distance Medium641.60.9352
Triple Number Coastal/Long Distance High577.01.0399
Triple Number Windward/Leeward Low1076.60.5573
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1844.61205.9900.3751.7666.6620.9586.8530.3510.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low826.00.7264
Triple Number AP Medium641.60.9351
Triple Number AP High577.01.0399
Triple Number Windward/Leeward Low1127.40.5322
Triple Number Windward/Leeward Medium791.10.7584
Triple Number Windward/Leeward High687.70.8725
Single Number Predominant Upwind718.10.8356
Single Number Predominant Reaching641.00.9361
Single Number Predominant Downwind697.90.8597
Predominant Upwind - Low957.60.6266
Predominant Upwind - Low/Med747.60.8026
Predominant Upwind - Medium673.00.8915
Predominant Upwind - Med/High636.30.9430
Predominant Upwind - High623.20.9627
Predominant Downwind Low1059.30.5664
Predominant Downwind Low/Med762.90.7865
Predominant Downwind Medium637.00.9419
Predominant Downwind Med/High563.31.0652
Predominant Downwind High524.81.1433
Predominant Reaching Low888.50.6753
Predominant Reaching Low/Med678.90.8838
Predominant Reaching Medium598.11.0031
Predominant Reaching Med/High552.51.0859
Predominant Reaching High526.71.1391
SA/DSPL Upwind20.28SA/DSPL Downwind20.28
Scoring OptionTODTOT
5-Band Windward/Leeward Low1264.10.4746
5-Band Windward/Leeward Low/Med920.10.6521
5-Band Windward/Leeward Medium776.80.7724
5-Band Windward/Leeward Med/High697.00.8609
5-Band Windward/Leeward High668.70.8972
Windward/Leeward 60-40 Low1243.90.4824
Windward/Leeward 60-40 Low/Med920.90.6515
Windward/Leeward 60-40 Medium791.50.7581
Windward/Leeward 60-40 Med/High722.10.8309
Windward/Leeward 60-40 High700.20.8569
5-Band AP Low925.30.6484
5-Band AP Low/Med723.00.8299
5-Band AP Medium633.00.9478
5-Band AP Med/High584.01.0274
5-Band AP High560.31.0708
5-Band SF Bay Tour - Low1077.70.5568
5-Band SF Bay Tour - Low/Med877.20.6840
5-Band SF Bay Tour - Medium752.30.7975
5-Band SF Bay Tour - Med/High685.30.8755
5-Band SF Bay Tour - High660.10.9089
Chicago-Mac Upwind0.8130
Chicago-Mac All Purpose0.8244
Chicago-Mac Downwind0.8261
Bayview-Mac Cove Island0.5985
Bayview-Mac Shore0.6061
Harvest Moon Regatta557.21.0768
ORC Ref  03020003WHVIssued on 07/08/2025Valid until 30/06/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2025
Alpha CrucisAUS 61
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassInternational 5.5Measurement04/02/2020HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.070Max. Beam1.900Draft1.356Displacement2,003Wetted area11.87IMS L7.750LSM07.128Acc. length6.175Sink (kg/mm) 8.49
VCGD-0.515VCGM-0.225RM Rated (kg·m) 21.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight425Declared crew weight250
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionForwardInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders1Rotating mastNo
P10.340IG8.880ISP9.080MDT10.110MDL10.150MDT2MDL2TLTaperMWGO
E3.580J2.684BAS0.760FSDSFJSPL2.764WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date04/02/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03020003WHVIssued on 07/08/2025Valid until 30/06/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2025
Alpha CrucisAUS 61
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.140.701.292.172.8721.15
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.410.781.442.052.408.21NoNo 11.15
ORC Ref  03020003WHVIssued on 07/08/2025Valid until 30/06/2026
VPP ver: 2025 1.01 | © ORC | www.orc.org