Club
Certificate
2023

Boat

Young at Heart

6381

Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.8°38.4°36.6°36.0°35.8°36.0°
Beat VMG3.424.134.654.915.025.085.12
52°5.196.066.516.746.866.937.00
60°5.446.256.646.887.037.137.23
75°5.596.356.747.037.267.447.63
90°5.536.446.897.207.397.628.04
110°5.506.456.967.397.788.158.79
120°5.326.306.857.317.758.229.50
135°4.775.846.546.987.417.859.06
150°3.985.045.926.566.987.388.25
Run VMG3.444.365.145.846.426.837.58
Gybe Angles143.9°147.8°152.8°161.0°177.2°179.0°179.0°

APH: 580.6

CDL: 8.196

GPH: 650.0

CertNo: 2854

BOAT
ClassYoung 88DesignerYoungBuilderLandsAge date01/1995Series date01/1981Offset fileKZ173c.offData file2854
HULL
Length Overall8.950 mMaximum Beam3.280 mDraft1.694 mDisplacement2,586 kgDLR5.6685IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.330m
CREW
Maximum weight600 kgMinimum weight450 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.2629.82Headsail Luffed22.5422.54Headsail FlyingSymmetric56.7656.76Asymmetric55.2455.24 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.09Storm Jib4.67Heavy Weather Jib12.60
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
0414500047
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  03020002T9TIssued on 24/10/2023Valid until 30/06/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Young at Heart

6381

Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1051.9871.2775.0732.7717.0708.3703.6
52°694.0593.7553.2534.1525.1519.6514.1
60°661.5576.0542.3523.2511.7505.2497.9
75°644.0567.3533.9512.2495.6484.0471.8
90°651.1559.4522.8500.0486.9472.5447.6
110°654.5558.2517.0487.1462.9441.6409.7
120°677.0571.0525.3492.4464.4437.8379.0
135°754.4616.3550.6515.5485.9458.5397.4
150°905.3714.7607.7548.6515.9488.0436.4
Run VMG1045.3825.3700.2616.1560.8527.0474.9
Selected Courses
Windward / Leeward1048.6848.2737.6674.4638.9617.6589.3
All purpose806.7669.2600.6561.8539.0521.8494.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward706.10.8498
All purpose580.61.0334
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7554
Downwind "popa"0.8843
70% up, 30% down "Ilhabela"0.7900
30% up, 70% down "Ilhabela-inverso"0.8412
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Predominantly Upwind624.30.9611
Predominantly Downwind592.61.0125
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low737.90.8131
Triple Number All Purpose Medium578.01.0381
Triple Number All Purpose High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Predominantly Upwind624.30.9611
Predominantly Downwind592.61.0125
Predominantly Upwind Low814.20.7369
Predominantly Upwind Medium641.20.9358
Predominantly Upwind High600.50.9992
Predominantly Downwind Low811.20.7396
Predominantly Downwind Medium590.51.0161
Predominantly Downwind High491.31.2212
Chicago-Mac Upwind0.9450
Chicago-Mac All Purpose0.9671
Chicago-Mac Downwind0.9949
Bayview-Mac Cove Island0.9027
Bayview-Mac Shore0.9119
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching554.51.0821
Predominantly Reaching Low669.60.8961
Predominantly Reaching Medium551.11.0888
Predominantly Reaching High487.01.2321
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1033.20.5807
5-Band Low / Medium867.50.6916
5-Band Medium688.70.8712
5-Band Medium / High621.20.9659
5-Band High594.21.0098
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance630.1
Triple Number Coastal/Long Distance Low737.9
Triple Number Coastal/Long Distance Medium578.0
Triple Number Coastal/Long Distance High515.7
Triple Number Windward/Leeward Low948.5
Triple Number Windward/Leeward Medium701.1
Triple Number Windward/Leeward High612.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8131
Triple Number Coastal/Long Distance Medium1.0381
Triple Number Coastal/Long Distance High1.1635
Triple Number Windward/Leeward Low0.6326
Triple Number Windward/Leeward Medium0.8558
Triple Number Windward/Leeward High0.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low737.9
Triple Number Coastal/Long Distance Medium578.0
Triple Number Coastal/Long Distance High515.7
Triple Number Windward/Leeward Low948.5
Triple Number Windward/Leeward Medium701.1
Triple Number Windward/Leeward High612.3
Predominantly Upwind624.3
Predominantly Downwind592.6
Predominantly Reaching568.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8131
Triple Number Coastal/Long Distance Medium1.0381
Triple Number Coastal/Long Distance High1.1635
Triple Number Windward/Leeward Low0.6326
Triple Number Windward/Leeward Medium0.8558
Triple Number Windward/Leeward High0.9799
Coastal/Long Distance0.9523
Predominantly Upwind0.9611
Predominantly Downwind1.0125
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8131
Tretall Distanseseilas Mellomvind1.0381
Tretall Distanseseilas Mye vind1.1635
Tretall Pølsebane Lite vind0.6326
Tretall Pølsebane Mellomvind0.8558
Tretall Pølsebane Mye vind0.9799
Distanseseilas ett tall (OSN 8-16kn)0.9523
Distanseseilas ett tall (APH 6-20kn)1.0334
Enkeltall Motvind0.9611
Enkeltall Medvind1.0125
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Coastal/Long Distance630.10.9523
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind624.30.9611
Predominantly Downwind592.61.0125
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore597.81.0037
Cape Doctor Coastal502.41.1943
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8131
Triple Number Coastal/Long Distance Medium1.0381
Triple Number Coastal/Long Distance High1.1635
Triple Number Windward/Leeward Low0.6326
Triple Number Windward/Leeward Medium0.8558
Triple Number Windward/Leeward High0.9799
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8131
Triple Number Coastal/Long Distance Medium1.0381
Triple Number Coastal/Long Distance High1.1635
Triple Number Windward/Leeward Low0.6326
Triple Number Windward/Leeward Medium0.8558
Triple Number Windward/Leeward High0.9799
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Predominantly Upwind624.30.9611
Predominantly Downwind592.61.0125
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance630.10.9523
Triple Number Coastal/Long Distance Low737.90.8131
Triple Number Coastal/Long Distance Medium578.01.0381
Triple Number Coastal/Long Distance High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1048.3799.6670.5596.8558.4527.0470.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low737.90.8131
Triple Number All Purpose Medium578.01.0381
Triple Number All Purpose High515.71.1635
Triple Number Windward/Leeward Low948.50.6326
Triple Number Windward/Leeward Medium701.10.8558
Triple Number Windward/Leeward High612.30.9799
Predominantly Upwind624.30.9611
Predominantly Downwind592.61.0125
Predominantly Upwind Low814.20.7369
Predominantly Upwind Medium641.20.9358
Predominantly Upwind High600.50.9992
Predominantly Downwind Low811.20.7396
Predominantly Downwind Medium590.51.0161
Predominantly Downwind High491.31.2212
Chicago-Mac Upwind0.9450
Chicago-Mac All Purpose0.9671
Chicago-Mac Downwind0.9949
Bayview-Mac Cove Island0.9027
Bayview-Mac Shore0.9119
Harvest Moon Regatta507.21.1830
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy600.30.9995
San Francisco Bay Medium695.30.8629
Predominantly Reaching554.51.0821
Predominantly Reaching Low669.60.8961
Predominantly Reaching Medium551.11.0888
Predominantly Reaching High487.01.2321
Windward/Leeward 60-40 Low951.00.6309
Windward/Leeward 60-40 Medium719.20.8342
Windward/Leeward 60-40 High645.10.9301
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1033.20.5807
5-Band Low / Medium867.50.6916
5-Band Medium688.70.8712
5-Band Medium / High621.20.9659
5-Band High594.21.0098
ORC Ref  03020002T9TIssued on 24/10/2023Valid until 30/06/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Young at Heart

6381

Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassYoung 88MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.950Max. Beam3.280Draft1.694Displacement2,586Wetted area16.34IMS L8.084LSM07.697Acc. length8.950Sink (kg/mm) 12.37
VCGD0.016VCGM0.031RM Rated (kg·m) 55.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.330PBWPIPA0.0004
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/CheckstaysSpreaders1Rotating mastNo
P11.280IG9.660ISP10.700MDT10.082MDL10.135MDT2MDL2TLNo TaperMWGO
E4.600J3.100BAS1.180FSDSFJSPL3.480WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date07/04/2017MeasurerComment
SFFP0.420FFMFF1.136LCFcl5.084SG
SAFP8.740FAMFA0.890LCFsh5.330HBI1.050
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03020002T9TIssued on 24/10/2023Valid until 30/06/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Young at Heart

6381

Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.130.881.552.763.6829.26
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.070.611.182.373.584.789.44NoNo 22.54
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment111.4211.4211.426.005.8256.76
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment110.59NaN55.24
ORC Ref  03020002T9TIssued on 24/10/2023Valid until 30/06/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org