Club
Certificate
2021

Boat

KONA

USA 7

 
Offshore
Racing
Congress

Certificate number: US7186
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles43.5°42.0°41.6°40.9°40.5°40.5°40.5°
Beat VMG3.504.264.795.065.175.215.30
52°5.416.457.137.417.517.557.66
60°5.756.797.397.647.747.797.88
75°6.047.057.577.868.048.158.24
90°6.047.197.627.918.188.438.80
110°6.167.357.898.238.478.719.14
120°6.027.247.848.278.739.069.62
135°5.436.687.537.998.458.9810.21
150°4.595.736.747.457.808.148.97
Run VMG3.974.965.846.456.807.348.09
Gybe Angles143.5°147.0°148.5°150.5°152.5°176.0°178.0°

GPH = 596.9

CDL = 9.983

BOAT
ClassMAESTRO 40 SD𝕚DesignerEIVIND STILLBuilderMAESTRO BOATSAge Date06/2006Series Date02/2005Offset Filekona.off
HULL
Length Overall12.066 mMaximum Beam3.634 mDraft1.902 mDisplacement7,280 kgDLR5.2582IMS DivisionCruiser/RacerDynamic Allowance0.187%Age Allowance0.487%
PROPELLER
InstallationStrut𝕚TypeFolding 3 blades𝕚Diameter0.460m
CREW
Maximum weight476 kg𝕚Minimum weight357 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail48.3148.92Headsail Luffed38.9338.93Headsail FlyingSymmetricAsymmetric142.18𝕚142.18𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails6 Spinnakers4
STABILITY
Righting Moment183.8 kg·mStability Index125.0
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  03880001DASIssued on 22/06/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

Club
Certificate
2021

Boat

KONA

USA 7

 
Offshore
Racing
Congress

Certificate number: US7186
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1027.4845.1750.8711.9696.5691.2679.4
52°665.7558.6504.9486.2479.6476.8469.7
60°626.3530.6487.5471.1464.9461.9456.9
75°596.0510.8475.3458.2447.5441.6437.1
90°596.4500.5472.7455.1440.2427.0409.2
110°584.5489.7456.1437.7425.1413.6393.7
120°597.7497.4459.3435.2412.5397.2374.1
135°662.5538.7478.2450.4426.2401.0352.6
150°784.9628.7534.0483.3461.4442.4401.2
Run VMG906.3725.9616.7557.7529.4490.4445.0
Selected Courses
Windward / Leeward966.8785.5683.7634.8612.9590.8562.2
All purpose741.8611.2546.4515.6499.1485.7463.9
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward663.80.9038
All purpose533.81.1241
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Predominantly Upwind582.11.0307
Predominantly Downwind534.71.1221
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low676.40.8870
Triple Number All Purpose Medium529.71.1327
Triple Number All Purpose High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Predominantly Upwind582.11.0307
Predominantly Downwind534.71.1221
Predominantly Upwind Low769.00.7803
Predominantly Upwind Medium605.00.9918
Predominantly Upwind High567.91.0566
Predominantly Downwind Low725.70.8268
Predominantly Downwind Medium529.11.1341
Predominantly Downwind High450.61.3317
Chicago-Mac Upwind1.0130
Chicago-Mac All Purpose1.0549
Chicago-Mac Downwind1.1048
Bayview-Mac Cove Island0.9833
Bayview-Mac Shore0.9875
Victoria-Maui1.1740
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance582.0
Triple Number Coastal/Long Distance Low676.4
Triple Number Coastal/Long Distance Medium529.7
Triple Number Coastal/Long Distance High480.9
Triple Number Windward/Leeward Low876.2
Triple Number Windward/Leeward Medium658.2
Triple Number Windward/Leeward High585.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8870
Triple Number Coastal/Long Distance Medium1.1327
Triple Number Coastal/Long Distance High1.2477
Triple Number Windward/Leeward Low0.6848
Triple Number Windward/Leeward Medium0.9116
Triple Number Windward/Leeward High1.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low676.4
Triple Number Coastal/Long Distance Medium529.7
Triple Number Coastal/Long Distance High480.9
Triple Number Windward/Leeward Low876.2
Triple Number Windward/Leeward Medium658.2
Triple Number Windward/Leeward High585.6
Predominantly Upwind582.1
Predominantly Downwind534.7
Predominantly Reaching513.2
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8870
Triple Number Coastal/Long Distance Medium1.1327
Triple Number Coastal/Long Distance High1.2477
Triple Number Windward/Leeward Low0.6848
Triple Number Windward/Leeward Medium0.9116
Triple Number Windward/Leeward High1.0246
Coastal/Long Distance1.0309
Predominantly Upwind1.0307
Predominantly Downwind1.1221
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0309
Tretall Distanseseilas Lite vind0.8870
Tretall Distanseseilas Mellomvind1.1327
Tretall Distanseseilas Mye vind1.2477
Tretall Pølsebane Lite vind0.6848
Tretall Pølsebane Mellomvind0.9116
Tretall Pølsebane Mye vind1.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind582.11.0307
Predominantly Downwind534.71.1221
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore570.81.0512
Cape Doctor Coastal470.51.2753
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8870
Triple Number Coastal/Long Distance Medium1.1327
Triple Number Coastal/Long Distance High1.2477
Triple Number Windward/Leeward Low0.6848
Triple Number Windward/Leeward Medium0.9116
Triple Number Windward/Leeward High1.0246
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8870
Triple Number Coastal/Long Distance Medium1.1327
Triple Number Coastal/Long Distance High1.2477
Triple Number Windward/Leeward Low0.6848
Triple Number Windward/Leeward Medium0.9116
Triple Number Windward/Leeward High1.0246
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Predominantly Upwind582.11.0307
Predominantly Downwind534.71.1221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance582.01.0309
Triple Number Coastal/Long Distance Low676.40.8870
Triple Number Coastal/Long Distance Medium529.71.1327
Triple Number Coastal/Long Distance High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance960.8736.2615.9551.2518.1489.5442.1
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low676.40.8870
Triple Number All Purpose Medium529.71.1327
Triple Number All Purpose High480.91.2477
Triple Number Windward/Leeward Low876.20.6848
Triple Number Windward/Leeward Medium658.20.9116
Triple Number Windward/Leeward High585.61.0246
Predominantly Upwind582.11.0307
Predominantly Downwind534.71.1221
Predominantly Upwind Low769.00.7803
Predominantly Upwind Medium605.00.9918
Predominantly Upwind High567.91.0566
Predominantly Downwind Low725.70.8268
Predominantly Downwind Medium529.11.1341
Predominantly Downwind High450.61.3317
Chicago-Mac Upwind1.0130
Chicago-Mac All Purpose1.0549
Chicago-Mac Downwind1.1048
Bayview-Mac Cove Island0.9833
Bayview-Mac Shore0.9875
Harvest Moon Regatta468.61.2804
Victoria-Maui1.1740
ORC Ref  03880001DASIssued on 22/06/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

Club
Certificate
2021

Boat

KONA

USA 7

 
Offshore
Racing
Congress

Certificate number: US7186
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassMAESTRO 40 SD𝕚Measurement13/06/2021𝕚Measurer𝕚HIN𝕚Plan review𝕚Hull constructionCored𝕚Carbon RudderNo𝕚Light stanchionsNo𝕚Trim tabNo𝕚
LOA12.066𝕚Max. Beam3.634𝕚Draft1.902𝕚Displacement7,280𝕚Wetted area31.13𝕚IMS L11.176𝕚LSM011.146𝕚Acc. length11.810𝕚Sink (kg/mm)23.31𝕚
VCGD-0.057𝕚VCGM-0.049𝕚RM Measured (kg·m)183.8𝕚RM Default (kg·m)176.1𝕚Limit of positive stability(°)120.4𝕚Stability Index125.0𝕚
PROPELLER
Propeller TypeFolding 3 blades𝕚
InstallationStrut𝕚PRD0.460𝕚EDL1.224𝕚ST30.178𝕚Twin screwNo𝕚PBW0.110𝕚ST10.065𝕚ST40.111𝕚PIPA0.0041𝕚ST20.178𝕚ST50.300𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerNo𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingNo𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P16.175𝕚IG16.859𝕚ISP17.011𝕚MDT10.145𝕚MDL10.235𝕚MDT20.135𝕚MDL20.185𝕚TL3.500𝕚MW0.216𝕚GO0.235𝕚
E5.285𝕚J4.610𝕚BAS1.663𝕚FSD0.040𝕚SFJ0.100𝕚SPL𝕚TPS5.675𝕚BD0.184𝕚MWT𝕚MCG𝕚
FLOTATION AND STABILITY
Inclining TestBoom Inclining𝕚SFFP0.378𝕚SAFP11.368𝕚Flotation Date13/06/2021𝕚FFM1.368𝕚FAM1.040𝕚Measurer𝕚FF1.398𝕚FA1.043𝕚Comment𝕚LCFcl6.849𝕚LCFsh7.082𝕚SG1.0050𝕚HBI1.191𝕚
W1120.8𝕚W2120.8𝕚W3120.8𝕚W4120.8𝕚LCFD6.339𝕚
PD1265.8𝕚PD2266.6𝕚PD3264.2𝕚PD4265.0𝕚
WD5.128𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
MEASUREMENT INVENTORY
IdTankTypeCapacityLCGVCGConditionDescription4𝕚Waste𝕚Alloy𝕚50.0𝕚9.10𝕚0.50𝕚0.0𝕚Stbd outboard lazarette𝕚3𝕚Water𝕚Alloy𝕚100.0𝕚6.50𝕚0.10𝕚0.0𝕚Stbd outboard𝕚2𝕚Water𝕚Alloy𝕚200.0𝕚5.20𝕚0.10𝕚0.0𝕚Port settee𝕚1𝕚Fuel𝕚Alloy𝕚200.0𝕚5.20𝕚0.10𝕚200.0𝕚Stbd settee𝕚
IdItemDescriptionWeightLCGVCG
2𝕚Battery12V AGM engine, port centerline𝕚30.0𝕚8.50𝕚0.00𝕚1𝕚Battery3x 12V AGM house + bow thruster𝕚90.0𝕚3.53𝕚0.10𝕚6𝕚MiscellaneousStove/oven galley port side𝕚30.0𝕚7.40𝕚0.50𝕚5𝕚MiscellaneousWhisper 3.5 kW genset, centerline𝕚60.0𝕚8.50𝕚0.00𝕚4𝕚MiscellaneousAC unit, stbd centerline𝕚25.0𝕚9.10𝕚0.10𝕚3𝕚MiscellaneousBow thruster, centerline𝕚25.0𝕚1.90𝕚0.00𝕚2𝕚MiscellaneousWindlass, centerline𝕚20.0𝕚0.50𝕚0.80𝕚1𝕚MiscellaneousAc unit port centerline𝕚25.0𝕚3.60𝕚0.10𝕚
ORC Ref  03880001DASIssued on 22/06/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

Club
Certificate
2021

Boat

KONA

USA 7

 
Offshore
Racing
Congress

Certificate number: US7186
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialCommentM1𝕚0.05𝕚0.95𝕚1.77𝕚3.17𝕚4.32𝕚48.31𝕚𝕚04/05/2021𝕚UK Chicago𝕚𝕚𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialCommentJ1𝕚0.10𝕚0.67𝕚1.23𝕚2.38𝕚3.55𝕚4.80𝕚16.20𝕚Yes𝕚No𝕚 𝕚38.93𝕚𝕚14/06/2021𝕚North𝕚𝕚Old North jib𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialCommentA2𝕚18.29𝕚15.21𝕚16.75𝕚10.30𝕚9.73𝕚106%𝕚142.18𝕚𝕚14/06/2021𝕚UK Chicago𝕚Unknown𝕚𝕚
ORC Ref  03880001DASIssued on 22/06/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org