Non Spin/HSFClub Certificate2026
MESARTHIMITA-9688
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles46.9°43.9°41.8°40.8°40.4°40.1°39.9°40.2°41.1°
Beat VMG2.403.374.034.474.714.834.894.914.83
52°3.805.146.026.536.816.947.007.057.02
60°4.125.426.266.746.997.127.197.267.27
75°4.365.616.446.897.157.327.457.597.67
90°4.265.546.406.907.207.427.617.918.12
110°3.654.975.946.677.107.407.668.178.48
120°3.294.695.736.527.017.337.608.178.66
135°2.834.165.216.066.707.107.407.948.49
150°2.363.534.535.285.976.526.927.478.01
Run VMG2.053.063.924.695.436.096.627.307.82
Gybe Angles142.8°144.6°145.8°171.0°172.1°173.5°175.4°177.5°177.1°
APH ToD:604.7CDL: 8.465APH ToT: 0.9922CertNo:24/1
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 Allowance0.390%Age Allowance0.650%RS Assessment-0.254%
PROPELLER
InstallationStrutTypeFeathering 3 bladesDiameter0.432m
CREW
Maximum weight350 kg(declared)Minimum weight220 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.7035.28Headsail Luffed50.0250.02Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.64Storm Jib12.11Heavy Weather Jib32.68
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting Moment 172.9 kg·m Stability Index 136.2
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  03190004JBS Issued on 30/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MESARTHIMITA-9688
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1497.01069.2892.4804.7763.9746.1736.9733.3745.6
52°946.9699.8598.5550.9528.8518.8514.0510.7513.1
60°874.5664.6574.8534.3515.2505.3500.6495.6495.5
75°825.6641.2559.4522.7503.7491.8483.5474.2469.2
90°844.5649.7562.4521.7500.1485.2473.3455.2443.5
110°985.3724.8605.9539.9506.9486.6469.8440.5424.3
120°1095.0767.6628.4552.4513.8491.3473.4440.5415.7
135°1274.1865.3690.6593.8537.7506.8486.8453.2423.9
150°1524.41018.9794.8682.1603.5552.1520.5481.7449.7
Run VMG1760.21176.5917.8767.9663.3591.3543.7493.2460.3
Selected Courses
Windward / Leeward1628.61122.8905.1786.3713.6668.7640.3613.2602.9
All purpose1208.7857.3705.8627.4582.6556.1539.0518.4507.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward746.40.8038
All purpose604.70.9922
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7309
Downwind "popa"0.8150
70% up, 30% down "Ilhabela"0.7542
30% up, 70% down "Ilhabela-inverso"0.7878
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Predominantly Upwind641.90.9347
Predominantly Downwind625.50.9592
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP627.60.9560 Predom. Rc High491.21.2216 5B SF Bay L/M823.10.7289 TriNum AP Low781.50.7677 Predom. Dn Low989.60.6063 5B SF Bay Med703.10.8533 TriNum AP Med601.20.9979 Predom. Dn L/M718.00.8357 5B SF Bay M/H634.40.9458 TriNum AP High535.51.1204 Predom. Dn Med601.30.9978 5B SF Bay High608.40.9863 TriNum W/L Low1063.60.5641 Predom. Dn M/H530.31.1314 5B AP Low875.20.6856 TriNum W/L Med742.60.8080 Predom. Dn High496.71.2079 5B AP L/M682.30.8794 TriNum W/L Hig637.20.9416 ChiMac Up Low806.30.7441 5B AP Med592.21.0131 Predom. Upwind667.50.8988 ChiMac Up Med728.70.8234 5B AP M/H542.01.1069 Predom. Reaching600.30.9995 ChiMac Up High639.60.9381 5B AP High520.11.1537 Predom. Downwind657.20.9129 ChiMac Off Low842.90.7118 5B W/L Low1194.90.5022 Predom. Up Low916.30.6548 ChiMac Off Med737.50.8135 5B W/L L/M867.00.6920 Predom. Up L/M701.90.8549 ChiMac Off High614.10.9770 5B W/L Med728.00.8241 Predom. Up Med620.90.9663 ChiMac AP Low818.60.7330 5B W/L M/H646.70.9278 Predom. Up M/H581.31.0322 ChiMac AP Med728.80.8233 5B W/L High616.10.9738 Predom. Up High567.61.0571 ChiMac AP High624.20.9612 W/L 60-40 Low1182.30.5075 Predom. Rc Low839.50.7147 BayMac Cove Island947.30.6333 W/L 60-40 L/M867.30.6918 Predom. Rc L/M638.60.9395 BayMac Shore936.40.6408 W/L 60-40 Med737.70.8134 Predom. Rc Med558.51.0743 Harvest Moon534.41.1227 W/L 60-40 M/H665.40.9017 Predom. Rc M/H513.41.1687 5B SF Bay Low997.20.6017 W/L 60-40 High640.10.9373      SA/DSPL Up21.45SA/DSPL Dn21.45
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance661.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating661.20.9074
FinRating, kevyt tuuli1178.00.8489
FinRating, kova tuuli524.50.9532
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9074
Triple Number Coastal/Long Distance Low0.7677
Triple Number Coastal/Long Distance Medium0.9981
Triple Number Coastal/Long Distance High1.1204
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8080
Triple Number Windward/Leeward High0.9416
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
For information
General Purpose Handicap (GPH)679.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Saronikos S All Purpose679.60.8828
Saronikos S Upwind742.80.8078
Saronikos S Downwind612.70.9793
Saronikos N All Purpose719.50.8339
Saronikos N Upwind773.40.7758
Saronikos N Downwind676.60.8868
Saronikos SW All Purpose688.20.8718
Saronikos SW Upwind759.60.7899
Saronikos SW Downwind627.00.9569
Saronikos NE All Purpose750.80.7992
Saronikos NE Upwind722.90.8300
Saronikos NE Downwind766.50.7828
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose627.60.9560
5-Band All Purpose Low945.30.6347
5-Band All Purpose L/M706.30.8494
5-Band All Purpose Med609.20.9849
5-Band All Purpose M/H554.41.0822
5-Band All Purpose High530.81.1303
Single Number Predominant Upwind639.90.9377
Single Number Predominant Reaching576.51.0408
Single Number Predominant Downwind626.80.9572
5-Band 50-50 Windward/Leeward Low1194.90.5022
5-Band 50-50 Windward/Leeward L/M867.00.6920
5-Band 50-50 Windward/Leeward Med728.00.8241
5-Band 50-50 Windward/Leeward M/H646.70.9278
5-Band 50-50 Windward/Leeward High616.10.9738
5-Band 60-40 Windward/Leeward Low1182.30.5075
5-Band 60-40 Windward/Leeward L/M867.30.6918
5-Band 60-40 Windward/Leeward Med737.70.8134
5-Band 60-40 Windward/Leeward M/H665.40.9017
5-Band 60-40 Windward/Leeward High640.10.9373
Triple Number 50-50 Windward/Leeward Low1063.60.5641
Triple Number 50-50 Windward/Leeward Med742.70.8079
Triple Number 50-50 Windward/Leeward High637.20.9415
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward755.60.7941
Triple Number 60-40 Windward/Leeward Low1055.60.5684
Triple Number 60-40 Windward/Leeward Med750.90.7990
Triple Number 60-40 Windward/Leeward High657.40.9127
Triple Number All-Purpose Low849.00.7067
Triple Number All-Purpose Med619.00.9693
Triple Number All-Purpose High547.41.0960
Triple Number Predominant Upwind Low838.90.7152
Triple Number Predominant Upwind Med631.80.9496
Triple Number Predominant Upwind High581.11.0326
Triple Number Predominant Reaching Low762.60.7867
Triple Number Predominant Reaching Med575.31.0429
Triple Number Predominant Reaching High498.01.2049
Triple Number Predominant Downwind Low878.00.6834
Triple Number Predominant Downwind Med616.20.9737
Triple Number Predominant Downwind High512.21.1714
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low781.6
Triple Number Coastal/Long Distance Medium601.1
Triple Number Coastal/Long Distance High535.5
Triple Number Windward/Leeward Low1014.0
Triple Number Windward/Leeward Medium742.6
Triple Number Windward/Leeward High637.2
Predominantly Upwind641.9
Predominantly Downwind625.5
Predominantly Reaching591.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7677
Triple Number Coastal/Long Distance Medium0.9981
Triple Number Coastal/Long Distance High1.1204
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8080
Triple Number Windward/Leeward High0.9416
Coastal/Long Distance0.9074
Predominantly Upwind0.9347
Predominantly Downwind0.9592
For information
General Purpose Handicap (GPH)679.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9922
Distanseseilas Trippeltall svak vind0.7677
Distanseseilas Trippeltall mellomvind0.9981
Distanseseilas Trippeltall sterk vind1.1204
Pølsebane Trippeltall svak vind0.5917
Pølsebane Trippeltall mellomvind0.8080
Pølsebane Trippeltall sterk vind0.9416
Motvind Singeltall0.9347
Medvind Singeltall0.9592
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Coastal/Long Distance661.20.9074
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind641.90.9347
Predominantly Downwind625.50.9592
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore606.00.9900
Cape Doctor Coastal510.71.1748
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7677
Triple Number Coastal/Long Distance Medium0.9981
Triple Number Coastal/Long Distance High1.1204
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8080
Triple Number Windward/Leeward High0.9416
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7677
Triple Number Coastal/Long Distance Medium0.9981
Triple Number Coastal/Long Distance High1.1204
Triple Number Windward/Leeward Low0.5917
Triple Number Windward/Leeward Medium0.8080
Triple Number Windward/Leeward High0.9416
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Predominantly Upwind641.90.9347
Predominantly Downwind625.50.9592
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance661.20.9074
Triple Number Coastal/Long Distance Low781.60.7677
Triple Number Coastal/Long Distance Medium601.10.9981
Triple Number Coastal/Long Distance High535.51.1204
Triple Number Windward/Leeward Low1014.00.5917
Triple Number Windward/Leeward Medium742.60.8080
Triple Number Windward/Leeward High637.20.9416
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1641.81128.2852.1708.8623.5578.3545.6495.9482.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP627.60.9560 Predom. Dn High496.71.2079 5B AP M/H542.01.1069 TriNum AP Low781.50.7677 Predom. Rc Low839.50.7147 5B AP High520.11.1537 TriNum AP Med601.20.9979 Predom. Rc L/M638.60.9395 5B SF Bay Low997.20.6017 TriNum AP High535.51.1204 Predom. Rc Med558.51.0743 5B SF Bay L/M823.10.7289 TriNum W/L Low1063.60.5641 Predom. Rc M/H513.41.1687 5B SF Bay Med703.10.8533 TriNum W/L Med742.60.8080 Predom. Rc High491.21.2216 5B SF Bay M/H634.40.9458 TriNum W/L Hig637.20.9416 5B W/L Low1194.90.5022 5B SF Bay High608.40.9863 Predom. Upwind667.50.8988 5B W/L L/M867.00.6920 ChiMac Up Low806.30.7441 Predom. Reaching600.30.9995 5B W/L Med728.00.8241 ChiMac Up Med728.70.8234 Predom. Downwind657.20.9129 5B W/L M/H646.70.9278 ChiMac Up High639.60.9381 Predom. Up Low916.30.6548 5B W/L High616.10.9738 ChiMac Off Low842.90.7118 Predom. Up L/M701.90.8549 W/L 60-40 Low1182.30.5075 ChiMac Off Med737.50.8135 Predom. Up Med620.90.9663 W/L 60-40 L/M867.30.6918 ChiMac Off High614.10.9770 Predom. Up M/H581.31.0322 W/L 60-40 Med737.70.8134 ChiMac AP Low818.60.7330 Predom. Up High567.61.0571 W/L 60-40 M/H665.40.9017 ChiMac AP Med728.80.8233 Predom. Dn Low989.60.6063 W/L 60-40 High640.10.9373 ChiMac AP High624.20.9612 Predom. Dn L/M718.00.8357 5B AP Low875.20.6856 BayMac Cove Island947.30.6333 Predom. Dn Med601.30.9978 5B AP L/M682.30.8794 BayMac Shore936.40.6408 Predom. Dn M/H530.31.1314 5B AP Med592.21.0131 Harvest Moon534.41.1227      SA/DSPL Up21.45SA/DSPL Dn21.45
ORC Ref  03190004JBS Issued on 30/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MESARTHIMITA-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
Length overall11.990Maximum beam3.664Draft1.928Displacement7,772Wetted area27.77IMS L9.288LSM09.147Accomod. length11.908Sink (kg/mm) 19.75
VCGD-0.301VCGM-0.171 RM Rated (kg·m) 172.9Limit of positive stability(°) 131.5 Stability Index 136.2 BLR index 0.0000Default crew weight606 Declared crew weight 350
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.432PBW0.140PIPA0.0034
EDL2.000ST10.048ST20.170
ST30.170ST40.098ST50.320
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders2Rotating mastNo
P14.300IG15.500ISPMDT10.180MDL10.250MDT20.180MDL20.250TLMW0.250GO0.270
E3.850J5.400BAS1.500FSD0.035SFJ0.400SPLWPLTPSBD0.150MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.300Flotation Date01/01/1982
SFFP1.076FFM1.352FF1.359LCFcl6.872SG1.0270
SAFP11.646FAM1.147FA1.152LCFsh7.080HBI1.194
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004JBS Issued on 30/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MESARTHIMITA-9688
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.121.001.802.603.3034.7023/04/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.050.721.412.974.706.5216.10NoNo 50.0209/05/2025
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length11.9 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity148 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity88 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03190004JBS Issued on 30/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org