Club
One Design
 Certificate
2023

Boat

BOOMERANG

ITA-80SU

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.3°40.2°37.5°36.0°35.7°35.4°35.8°
Beat VMG3.293.974.424.634.714.764.78
52°4.955.746.136.346.456.536.61
60°5.175.906.266.516.666.766.88
75°5.285.986.376.696.967.137.34
90°5.175.996.466.767.087.397.87
110°5.126.046.587.077.527.928.55
120°4.955.916.476.997.518.119.36
135°4.405.406.156.637.127.689.26
150°3.674.705.576.206.657.118.21
Run VMG3.184.074.845.536.076.487.34
Gybe Angles145.6°150.5°152.3°161.0°176.3°177.2°176.6°

APH: 613.2

CDL: 7.139

GPH: 687.4

CertNo: 23/3

BOAT
ClassSURPRISEDesignerJOUBERT-NIVELTBuilderArchambaultAge dateSeries date01/1977Offset filesurprise.ODData fileI80SU
HULL
Length Overall7.640 mMaximum Beam2.384 mDraft1.576 mDisplacement1,285 kgDLR4.5986IMS DivisionSportboatDynamic Allowance0.020%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight400 kgMinimum weight300 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.5619.07Headsail Luffed17.0517.05Headsail FlyingSymmetric41.1541.15Asymmetric
STORM SAIL AREAS (m²)
Trysail5.20Storm Jib3.34Heavy Weather Jib9.02
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Intestatario: Gualandris Mario Carlo
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  03190002E2LIssued on 17/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
One Design
 Certificate
2023

Boat

BOOMERANG

ITA-80SU

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1094.4907.3814.1778.1763.6755.7752.7
52°727.8626.8587.0567.4557.8551.1544.2
60°696.9610.5575.2553.1540.7532.5523.6
75°681.3601.8565.2537.8517.6505.2490.3
90°696.3600.7557.5532.2508.6486.9457.6
110°702.5596.2547.3509.4478.9454.4421.1
120°727.7608.9556.7515.2479.2443.9384.5
135°817.9666.6585.7543.2505.3468.8388.7
150°980.0766.3646.1580.5541.5506.6438.6
Run VMG1131.7884.5744.3651.6593.2555.2490.7
Selected Courses
Windward / Leeward1113.0895.9779.2714.8678.4655.4621.7
All purpose857.7710.1636.0594.2567.4546.6513.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward747.80.8023
All purpose613.20.9785
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7160
Downwind "popa"0.8315
70% up, 30% down "Ilhabela"0.7471
30% up, 70% down "Ilhabela-inverso"0.7931
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Predominantly Upwind661.00.9078
Predominantly Downwind627.60.9560
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low783.90.7654
Triple Number All Purpose Medium611.10.9819
Triple Number All Purpose High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Predominantly Upwind661.00.9078
Predominantly Downwind627.60.9560
Predominantly Upwind Low857.40.6998
Predominantly Upwind Medium678.50.8843
Predominantly Upwind High636.40.9428
Predominantly Downwind Low869.50.6901
Predominantly Downwind Medium625.90.9586
Predominantly Downwind High509.21.1783
Chicago-Mac Upwind0.8934
Chicago-Mac All Purpose0.9143
Chicago-Mac Downwind0.9395
Bayview-Mac Cove Island0.8537
Bayview-Mac Shore0.8640
Victoria-Maui1.0137
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance665.1
Triple Number Coastal/Long Distance Low783.9
Triple Number Coastal/Long Distance Medium611.1
Triple Number Coastal/Long Distance High539.4
Triple Number Windward/Leeward Low1004.5
Triple Number Windward/Leeward Medium742.3
Triple Number Windward/Leeward High648.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7654
Triple Number Coastal/Long Distance Medium0.9819
Triple Number Coastal/Long Distance High1.1123
Triple Number Windward/Leeward Low0.5973
Triple Number Windward/Leeward Medium0.8083
Triple Number Windward/Leeward High0.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low783.9
Triple Number Coastal/Long Distance Medium611.1
Triple Number Coastal/Long Distance High539.4
Triple Number Windward/Leeward Low1004.5
Triple Number Windward/Leeward Medium742.3
Triple Number Windward/Leeward High648.5
Predominantly Upwind661.0
Predominantly Downwind627.6
Predominantly Reaching601.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7654
Triple Number Coastal/Long Distance Medium0.9819
Triple Number Coastal/Long Distance High1.1123
Triple Number Windward/Leeward Low0.5973
Triple Number Windward/Leeward Medium0.8083
Triple Number Windward/Leeward High0.9252
Coastal/Long Distance0.9021
Predominantly Upwind0.9078
Predominantly Downwind0.9560
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7654
Tretall Distanseseilas Mellomvind0.9819
Tretall Distanseseilas Mye vind1.1123
Tretall Pølsebane Lite vind0.5973
Tretall Pølsebane Mellomvind0.8083
Tretall Pølsebane Mye vind0.9252
Distanseseilas ett tall (OSN 8-16kn)0.9021
Distanseseilas ett tall (APH 6-20kn)0.9785
Enkeltall Motvind0.9078
Enkeltall Medvind0.9560
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Coastal/Long Distance665.10.9021
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind661.00.9078
Predominantly Downwind627.60.9560
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore631.80.9497
Cape Doctor Coastal523.51.1461
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7654
Triple Number Coastal/Long Distance Medium0.9819
Triple Number Coastal/Long Distance High1.1123
Triple Number Windward/Leeward Low0.5973
Triple Number Windward/Leeward Medium0.8083
Triple Number Windward/Leeward High0.9252
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7654
Triple Number Coastal/Long Distance Medium0.9819
Triple Number Coastal/Long Distance High1.1123
Triple Number Windward/Leeward Low0.5973
Triple Number Windward/Leeward Medium0.8083
Triple Number Windward/Leeward High0.9252
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Predominantly Upwind661.00.9078
Predominantly Downwind627.60.9560
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.10.9021
Triple Number Coastal/Long Distance Low783.90.7654
Triple Number Coastal/Long Distance Medium611.10.9819
Triple Number Coastal/Long Distance High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1114.9846.0709.2631.7588.3551.0486.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low783.90.7654
Triple Number All Purpose Medium611.10.9819
Triple Number All Purpose High539.41.1123
Triple Number Windward/Leeward Low1004.50.5973
Triple Number Windward/Leeward Medium742.30.8083
Triple Number Windward/Leeward High648.50.9252
Predominantly Upwind661.00.9078
Predominantly Downwind627.60.9560
Predominantly Upwind Low857.40.6998
Predominantly Upwind Medium678.50.8843
Predominantly Upwind High636.40.9428
Predominantly Downwind Low869.50.6901
Predominantly Downwind Medium625.90.9586
Predominantly Downwind High509.21.1783
Chicago-Mac Upwind0.8934
Chicago-Mac All Purpose0.9143
Chicago-Mac Downwind0.9395
Bayview-Mac Cove Island0.8537
Bayview-Mac Shore0.8640
Harvest Moon Regatta529.41.1334
Victoria-Maui1.0137
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy633.20.9476
San Francisco Bay Medium734.90.8165
Predominantly Reaching1.0219
Predominantly Reaching Low0.8374
Predominantly Reaching Medium1.0260
Predominantly Reaching High1.1883
Windward/Leeward 60-40 Low1003.70.5978
Windward/Leeward 60-40 Medium761.00.7884
Windward/Leeward 60-40 High685.30.8756
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1096.30.5473
5-Band Low / Medium918.00.6536
5-Band Medium729.50.8224
5-Band Medium / High658.60.9111
5-Band High627.50.9561
ORC Ref  03190002E2LIssued on 17/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
One Design
 Certificate
2023

Boat

BOOMERANG

ITA-80SU

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSURPRISEMeasurement01/04/2004HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.640Max. Beam2.384Draft1.576Displacement1,285Wetted area11.45IMS L6.912LSM06.538Acc. length7.640Sink (kg/mm) 8.68
VCGD-0.056VCGM-0.036RM Rated (kg·m) 27.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P9.000IG8.170ISP8.200MDT10.080MDL10.110MDT20.079MDL20.060TL1.950MW0.100GO0.100
E3.300J2.700BAS1.180FSDSFJSPL3.330WPLTPSBD0.109MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date01/04/2004MeasurerComment
SFFP0.315FFMFF0.835LCFcl4.440SG1.0250
SAFP7.505FAMFA0.633LCFsh4.594HBI0.707
W125.0W225.0W325.0W425.0
PD1551.0PD2552.5PD3549.0PD4548.9
WD8.250PLM9000.00GSA1.0RSA1.0RM29.5
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002E2LIssued on 17/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
One Design
 Certificate
2023

Boat

BOOMERANG

ITA-80SU

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.160.731.302.252.9718.56* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.044.208.05NoNo 17.05* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC8.858.858.855.555.7041.15* Copied from legacy *
ORC Ref  03190002E2LIssued on 17/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org