Club
Certificate
Non Spinnaker
2023

Boat

MESARTHIM

ITA-9688

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 Angles43.0°41.2°40.6°40.0°39.9°39.6°40.0°
Beat VMG3.604.244.584.754.844.894.92
52°5.466.276.676.846.936.997.04
60°5.736.496.857.037.127.187.24
75°5.916.637.007.217.357.447.56
90°5.826.617.027.287.487.647.86
110°5.256.156.817.207.487.738.12
120°4.905.956.697.127.437.718.21
135°4.375.426.276.857.227.518.04
150°3.714.725.536.166.677.027.56
Run VMG3.214.094.795.536.196.707.34
Gybe Angles145.1°146.6°146.6°169.4°171.2°173.0°174.8°

APH: 592.7

CDL: 8.514

GPH: 661.4

CertNo: 23/1

BOAT
ClassImpala 41DesignerSparkman&StephensBuilderCN71Age date01/1982Series date01/1982Offset fileSWN41S&S.OFFData fileI9688
HULL
Length Overall11.990 mMaximum Beam3.664 mDraft1.928 mDisplacement7,772 kgDLR10.1518IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFeathering 3 bladesDiameter0.432m
CREW
Maximum weight350 kgMinimum weight263 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.3736.01Headsail Luffed62.2462.24Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.64Storm Jib13.06Heavy Weather Jib35.26
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers0 * No spinnaker pole aboard
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  03190002HU9Issued on 14/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

MESARTHIM

ITA-9688

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 VMG1001.0849.3785.9758.0743.9735.5732.3
52°659.8574.3540.1526.3519.2515.2511.6
60°628.8555.0525.5512.1505.5501.3497.1
75°609.1542.9514.6499.2489.8483.7476.1
90°618.1544.8512.6494.2481.2471.2458.1
110°685.1585.7528.6500.3481.1465.7443.3
120°734.7605.5538.5505.6484.5467.2438.7
135°824.5663.9574.2525.9498.9479.1447.9
150°970.3762.0650.5584.7540.0513.1476.5
Run VMG1120.4879.8751.2650.5581.7537.7490.5
Selected Courses
Windward / Leeward1060.7864.5768.5704.2662.8636.6611.4
All purpose811.5677.4611.8574.6551.2535.7517.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward731.20.8205
All purpose592.71.0123
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7492
Downwind "popa"0.8380
70% up, 30% down "Ilhabela"0.7738
30% up, 70% down "Ilhabela-inverso"0.8093
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Predominantly Upwind629.00.9538
Predominantly Downwind610.30.9831
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low744.50.8059
Triple Number All Purpose Medium589.71.0175
Triple Number All Purpose High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Predominantly Upwind629.00.9538
Predominantly Downwind610.30.9831
Predominantly Upwind Low801.50.7486
Predominantly Upwind Medium645.80.9291
Predominantly Upwind High614.10.9770
Predominantly Downwind Low846.50.7088
Predominantly Downwind Medium614.50.9764
Predominantly Downwind High509.21.1784
Chicago-Mac Upwind0.9373
Chicago-Mac All Purpose0.9488
Chicago-Mac Downwind0.9627
Bayview-Mac Cove Island0.8954
Bayview-Mac Shore0.9089
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching560.11.0712
Predominantly Reaching Low677.80.8852
Predominantly Reaching Medium556.71.0777
Predominantly Reaching High497.91.2051
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1045.60.5738
5-Band Low / Medium886.50.6768
5-Band Medium715.80.8383
5-Band Medium / High642.50.9339
5-Band High615.80.9744
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance646.7
Triple Number Coastal/Long Distance Low744.5
Triple Number Coastal/Long Distance Medium589.7
Triple Number Coastal/Long Distance High532.8
Triple Number Windward/Leeward Low962.6
Triple Number Windward/Leeward Medium728.7
Triple Number Windward/Leeward High633.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8059
Triple Number Coastal/Long Distance Medium1.0175
Triple Number Coastal/Long Distance High1.1262
Triple Number Windward/Leeward Low0.6233
Triple Number Windward/Leeward Medium0.8234
Triple Number Windward/Leeward High0.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low744.5
Triple Number Coastal/Long Distance Medium589.7
Triple Number Coastal/Long Distance High532.8
Triple Number Windward/Leeward Low962.6
Triple Number Windward/Leeward Medium728.7
Triple Number Windward/Leeward High633.7
Predominantly Upwind629.0
Predominantly Downwind610.3
Predominantly Reaching578.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8059
Triple Number Coastal/Long Distance Medium1.0175
Triple Number Coastal/Long Distance High1.1262
Triple Number Windward/Leeward Low0.6233
Triple Number Windward/Leeward Medium0.8234
Triple Number Windward/Leeward High0.9468
Coastal/Long Distance0.9278
Predominantly Upwind0.9538
Predominantly Downwind0.9831
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8059
Tretall Distanseseilas Mellomvind1.0175
Tretall Distanseseilas Mye vind1.1262
Tretall Pølsebane Lite vind0.6233
Tretall Pølsebane Mellomvind0.8234
Tretall Pølsebane Mye vind0.9468
Distanseseilas ett tall (OSN 8-16kn)0.9278
Distanseseilas ett tall (APH 6-20kn)1.0123
Enkeltall Motvind0.9538
Enkeltall Medvind0.9831
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Coastal/Long Distance646.70.9278
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind629.00.9538
Predominantly Downwind610.30.9831
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore619.00.9693
Cape Doctor Coastal523.01.1473
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8059
Triple Number Coastal/Long Distance Medium1.0175
Triple Number Coastal/Long Distance High1.1262
Triple Number Windward/Leeward Low0.6233
Triple Number Windward/Leeward Medium0.8234
Triple Number Windward/Leeward High0.9468
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8059
Triple Number Coastal/Long Distance Medium1.0175
Triple Number Coastal/Long Distance High1.1262
Triple Number Windward/Leeward Low0.6233
Triple Number Windward/Leeward Medium0.8234
Triple Number Windward/Leeward High0.9468
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Predominantly Upwind629.00.9538
Predominantly Downwind610.30.9831
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.70.9278
Triple Number Coastal/Long Distance Low744.50.8059
Triple Number Coastal/Long Distance Medium589.71.0175
Triple Number Coastal/Long Distance High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1066.7815.0691.5614.7573.1542.2495.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low744.50.8059
Triple Number All Purpose Medium589.71.0175
Triple Number All Purpose High532.81.1262
Triple Number Windward/Leeward Low962.60.6233
Triple Number Windward/Leeward Medium728.70.8234
Triple Number Windward/Leeward High633.70.9468
Predominantly Upwind629.00.9538
Predominantly Downwind610.30.9831
Predominantly Upwind Low801.50.7486
Predominantly Upwind Medium645.80.9291
Predominantly Upwind High614.10.9770
Predominantly Downwind Low846.50.7088
Predominantly Downwind Medium614.50.9764
Predominantly Downwind High509.21.1784
Chicago-Mac Upwind0.9373
Chicago-Mac All Purpose0.9488
Chicago-Mac Downwind0.9627
Bayview-Mac Cove Island0.8954
Bayview-Mac Shore0.9089
Harvest Moon Regatta519.11.1559
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy625.10.9599
San Francisco Bay Medium718.00.8356
Predominantly Reaching560.11.0712
Predominantly Reaching Low677.80.8852
Predominantly Reaching Medium556.71.0777
Predominantly Reaching High497.91.2051
Windward/Leeward 60-40 Low955.10.6282
Windward/Leeward 60-40 Medium743.20.8073
Windward/Leeward 60-40 High668.70.8973
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1045.60.5738
5-Band Low / Medium886.50.6768
5-Band Medium715.80.8383
5-Band Medium / High642.50.9339
5-Band High615.80.9744
ORC Ref  03190002HU9Issued on 14/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

MESARTHIM

ITA-9688

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)
ClassImpala 41Measurement01/05/1992HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.990Max. Beam3.664Draft1.928Displacement7,772Wetted area27.77IMS L9.265LSM09.147Acc. length11.908Sink (kg/mm) 19.75
VCGD-0.301VCGM-0.171RM Rated (kg·m) 172.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.432PBW0.140PIPA0.0034
EDL2.000ST10.048ST20.170
ST30.170ST40.098ST50.320
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P14.300IG16.100ISPMDT10.180MDL10.250MDT20.180MDL20.250TL0.000MW0.250GO0.270
E3.850J5.400BAS1.500FSD0.035SFJ0.400SPLWPLTPSBD0.150MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.300Flotation Date01/01/1982MeasurerComment
SFFP1.076FFMFF1.359LCFcl6.872SG1.0270
SAFP11.646FAMFA1.152LCFsh7.080HBI1.194
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002HU9Issued on 14/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

MESARTHIM

ITA-9688

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.121.001.852.703.3535.37
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.100.000.000.000.007.5016.40NoNo 62.24* Copied from legacy *
ORC Ref  03190002HU9Issued on 14/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org