Club
Certificate
2023

Boat

ALTAIR III

USA 50254

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 Angles41.8°40.8°39.0°38.2°37.6°37.0°36.6°
Beat VMG3.634.324.795.035.165.255.35
52°5.456.336.807.047.177.257.33
60°5.716.526.947.187.337.427.52
75°5.846.637.057.307.497.637.81
90°5.706.567.037.337.547.728.01
110°5.506.577.157.507.788.028.39
120°5.356.437.087.477.788.078.62
135°4.875.966.777.257.607.928.55
150°4.155.226.146.837.267.598.19
Run VMG3.594.535.336.026.597.077.71
Gybe Angles144.8°150.5°152.3°158.3°170.0°177.2°179.0°

APH: 563.5

CDL: 9.077

GPH: 629.3

CertNo: US6865

BOAT
ClassC&C 40-2DesignerC&CBuilderC&CAge date05/1978Series date05/1978Offset fileUS943.OFFData fileus6865
HULL
Length Overall12.129 mMaximum Beam3.895 mDraft2.122 mDisplacement8,174 kgDLR10.4568IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.485m
CREW
Maximum weight865 kgMinimum weight649 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail34.2434.67Headsail Luffed62.3162.31Headsail FlyingSymmetric122.35122.35Asymmetric110.86110.86 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail10.05Storm Jib13.05Heavy Weather Jib35.24
SAIL LIMITS
Headsails5  Spinnakers4 * 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  04560002PPUIssued on 05/07/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ALTAIR III

USA 50254

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 VMG991.5834.2751.0716.1697.4685.9673.4
52°660.2568.9529.5511.2502.1496.5490.8
60°630.9552.0518.5501.3491.4485.5478.7
75°616.3543.0510.8493.0480.6471.8460.9
90°631.6548.8511.8491.2477.8466.5449.4
110°655.0548.2503.5480.1462.9449.0429.1
120°673.5560.0508.3481.8462.5446.3417.9
135°739.0603.5532.0496.3473.4454.7421.0
150°867.6689.0586.5527.3495.7474.2439.7
Run VMG1001.8795.4675.8598.2546.1509.5467.1
Selected Courses
Windward / Leeward996.7814.8713.4657.1621.7597.7570.3
All purpose774.7646.4580.6545.7524.5509.6489.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward683.80.8775
All purpose563.51.0647
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7851
Downwind "popa"0.9143
70% up, 30% down "Ilhabela"0.8199
30% up, 70% down "Ilhabela-inverso"0.8713
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Predominantly Upwind603.80.9936
Predominantly Downwind575.21.0430
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low710.60.8444
Triple Number All Purpose Medium560.41.0707
Triple Number All Purpose High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Predominantly Upwind603.80.9936
Predominantly Downwind575.21.0430
Predominantly Upwind Low778.80.7705
Predominantly Upwind Medium620.40.9670
Predominantly Upwind High580.41.0337
Predominantly Downwind Low782.20.7671
Predominantly Downwind Medium572.51.0480
Predominantly Downwind High484.41.2385
Chicago-Mac Upwind0.9775
Chicago-Mac All Purpose0.9982
Chicago-Mac Downwind1.0254
Bayview-Mac Cove Island0.9346
Bayview-Mac Shore0.9443
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching539.81.1116
Predominantly Reaching Low649.50.9238
Predominantly Reaching Medium535.11.1214
Predominantly Reaching High479.31.2517
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low982.70.6106
5-Band Low / Medium832.10.7211
5-Band Medium668.70.8973
5-Band Medium / High602.10.9965
5-Band High575.01.0434
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance611.3
Triple Number Coastal/Long Distance Low710.6
Triple Number Coastal/Long Distance Medium560.4
Triple Number Coastal/Long Distance High505.7
Triple Number Windward/Leeward Low905.8
Triple Number Windward/Leeward Medium680.2
Triple Number Windward/Leeward High593.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8444
Triple Number Coastal/Long Distance Medium1.0707
Triple Number Coastal/Long Distance High1.1865
Triple Number Windward/Leeward Low0.6624
Triple Number Windward/Leeward Medium0.8821
Triple Number Windward/Leeward High1.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low710.6
Triple Number Coastal/Long Distance Medium560.4
Triple Number Coastal/Long Distance High505.7
Triple Number Windward/Leeward Low905.8
Triple Number Windward/Leeward Medium680.2
Triple Number Windward/Leeward High593.4
Predominantly Upwind603.8
Predominantly Downwind575.2
Predominantly Reaching552.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8444
Triple Number Coastal/Long Distance Medium1.0707
Triple Number Coastal/Long Distance High1.1865
Triple Number Windward/Leeward Low0.6624
Triple Number Windward/Leeward Medium0.8821
Triple Number Windward/Leeward High1.0111
Coastal/Long Distance0.9814
Predominantly Upwind0.9936
Predominantly Downwind1.0430
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8444
Tretall Distanseseilas Mellomvind1.0707
Tretall Distanseseilas Mye vind1.1865
Tretall Pølsebane Lite vind0.6624
Tretall Pølsebane Mellomvind0.8821
Tretall Pølsebane Mye vind1.0111
Distanseseilas ett tall (OSN 8-16kn)0.9814
Distanseseilas ett tall (APH 6-20kn)1.0647
Enkeltall Motvind0.9936
Enkeltall Medvind1.0430
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Coastal/Long Distance611.30.9814
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind603.80.9936
Predominantly Downwind575.21.0430
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore578.51.0372
Cape Doctor Coastal495.41.2112
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8444
Triple Number Coastal/Long Distance Medium1.0707
Triple Number Coastal/Long Distance High1.1865
Triple Number Windward/Leeward Low0.6624
Triple Number Windward/Leeward Medium0.8821
Triple Number Windward/Leeward High1.0111
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8444
Triple Number Coastal/Long Distance Medium1.0707
Triple Number Coastal/Long Distance High1.1865
Triple Number Windward/Leeward Low0.6624
Triple Number Windward/Leeward Medium0.8821
Triple Number Windward/Leeward High1.0111
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Predominantly Upwind603.80.9936
Predominantly Downwind575.21.0430
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance611.30.9814
Triple Number Coastal/Long Distance Low710.60.8444
Triple Number Coastal/Long Distance Medium560.41.0707
Triple Number Coastal/Long Distance High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance997.2769.3648.4580.2543.6515.6472.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low710.60.8444
Triple Number All Purpose Medium560.41.0707
Triple Number All Purpose High505.71.1865
Triple Number Windward/Leeward Low905.80.6624
Triple Number Windward/Leeward Medium680.20.8821
Triple Number Windward/Leeward High593.41.0111
Predominantly Upwind603.80.9936
Predominantly Downwind575.21.0430
Predominantly Upwind Low778.80.7705
Predominantly Upwind Medium620.40.9670
Predominantly Upwind High580.41.0337
Predominantly Downwind Low782.20.7671
Predominantly Downwind Medium572.51.0480
Predominantly Downwind High484.41.2385
Chicago-Mac Upwind0.9775
Chicago-Mac All Purpose0.9982
Chicago-Mac Downwind1.0254
Bayview-Mac Cove Island0.9346
Bayview-Mac Shore0.9443
Harvest Moon Regatta498.41.2038
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy584.21.0270
San Francisco Bay Medium673.10.8914
Predominantly Reaching539.81.1116
Predominantly Reaching Low649.50.9238
Predominantly Reaching Medium535.11.1214
Predominantly Reaching High479.31.2517
Windward/Leeward 60-40 Low907.20.6614
Windward/Leeward 60-40 Medium698.10.8594
Windward/Leeward 60-40 High624.30.9611
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low982.70.6106
5-Band Low / Medium832.10.7211
5-Band Medium668.70.8973
5-Band Medium / High602.10.9965
5-Band High575.01.0434
ORC Ref  04560002PPUIssued on 05/07/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ALTAIR III

USA 50254

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassC&C 40-2Measurement20/06/1990HIN1Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.129Max. Beam3.895Draft2.122Displacement8,174Wetted area28.25IMS L9.458LSM09.211Acc. length12.134Sink (kg/mm) 19.88
VCGD-0.091VCGM-0.094RM Rated (kg·m) 165.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.485PBW0.000PIPA0.0048
PSD0.031PHD0.046PHL0.180
PSA26.0°ESL0.771
ST10.027ST20.116ST30.116
ST40.046ST50.232
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.479IG16.155ISP16.246MDT10.132MDL10.208MDT20.132MDL20.171TL2.546MW0.162GO0.162
E3.963J5.060BAS1.500FSD0.028SFJ0.381SPL5.161WPLTPS0.000BD0.171MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.091Flotation Date16/02/2022MeasurerComment
SFFP1.078FFMFF1.241LCFcl6.733SG0.0000
SAFP11.366FAMFA1.025LCFsh7.007HBI1.048
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  04560002PPUIssued on 05/07/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ALTAIR III

USA 50254

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment12963390.140.841.512.563.3334.242017 UK MAINSAIL
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment12963470.050.941.883.805.797.8016.18NoNo 62.31AP1 2017
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment17304016.2316.2316.239.118.79122.35
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment17303816.0216.0216.028.109.1289%110.86
ORC Ref  04560002PPUIssued on 05/07/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org