Club Certificate2026
XTREMEITA-XTRM26
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 Angles46.4°43.5°41.3°39.0°37.9°37.9°38.2°39.7°42.7°
Beat VMG2.303.233.894.324.474.514.524.454.25
52°3.634.935.726.096.256.316.356.386.31
60°3.915.205.906.236.436.536.596.676.65
75°4.135.376.016.376.676.897.037.247.33
90°4.055.296.056.456.767.127.467.898.15
110°3.865.316.136.647.127.577.908.509.14
120°3.725.146.016.547.097.698.289.3910.55
135°3.254.625.596.256.767.317.949.9813.09
150°2.683.864.915.756.336.807.318.6011.93
Run VMG2.323.344.265.025.696.166.597.5610.33
Gybe Angles136.9°146.2°151.4°157.5°164.6°170.5°168.5°164.0°143.1°
APH ToD:613.8CDL: 6.692APH ToT: 0.9775CertNo:26/1
BOAT
ClassX-79DesignerJeppesenBuilderX YachtsAge date04/1979Series date01/1979Offset fileX79.OD.OFFData fileXTRM26
HULL
Length Overall7.927 mMaximum Beam2.860 mDraft1.332 mDisplacement1,344 kgDLR7.2566IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.305%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight350 kg(declared)Minimum weight220 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.6921.09Headsail Luffed18.6018.60Headsail FlyingSymmetric48.4648.46Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail6.13Storm Jib4.19Heavy Weather Jib11.30
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting Moment 31.4 kg·m Stability Index 103.8
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  03190004QOE Issued on 21/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
XTREMEITA-XTRM26
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 VMG1562.81113.0925.0834.3805.1797.6797.0808.4847.5
52°992.5729.9629.7591.5576.3570.1566.7564.1570.7
60°919.8692.5610.7577.5559.9551.5546.1539.4541.1
75°871.0670.9599.1564.8540.0522.2512.2497.3491.4
90°889.8680.2594.8558.5532.4505.4482.8456.4441.7
110°932.5678.5587.3542.5505.4475.4455.8423.6393.8
120°966.7700.4599.2550.1507.9468.0434.8383.2341.4
135°1107.7778.9643.8576.1532.9492.7453.5360.8275.0
150°1344.0932.8733.2626.2568.9529.2492.2418.8301.9
Run VMG1552.01077.1845.8716.6633.0584.0546.4476.1348.6
Selected Courses
Windward / Leeward1557.41095.0885.4775.5719.0690.8671.7642.3598.0
All purpose1170.5841.5702.6633.9596.2571.8553.1522.4491.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward751.50.7984
All purpose613.80.9775
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance665.50.9015
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6907
Downwind "popa"0.8608
70% up, 30% down "Ilhabela"0.7343
30% up, 70% down "Ilhabela-inverso"0.8016
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Predominantly Upwind668.60.8974
Predominantly Downwind617.70.9714
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP636.70.9424 Predom. Rc High479.71.2507 5B SF Bay L/M814.50.7366 TriNum AP Low772.10.7771 Predom. Dn Low931.20.6444 5B SF Bay Med710.90.8440 TriNum AP Med611.60.9810 Predom. Dn L/M697.50.8602 5B SF Bay M/H656.10.9145 TriNum AP High546.31.0983 Predom. Dn Med599.41.0011 5B SF Bay High623.40.9625 TriNum W/L Low1035.90.5792 Predom. Dn M/H528.21.1360 5B AP Low850.40.7056 TriNum W/L Med744.70.8057 Predom. Dn High468.31.2812 5B AP L/M683.10.8783 TriNum W/L Hig665.50.9016 ChiMac Up Low823.70.7284 5B AP Med603.60.9940 Predom. Upwind693.80.8648 ChiMac Up Med751.00.7990 5B AP M/H554.71.0816 Predom. Reaching606.70.9890 ChiMac Up High666.50.9003 5B AP High522.41.1485 Predom. Downwind640.80.9363 ChiMac Off Low806.00.7444 5B W/L Low1158.20.5180 Predom. Up Low927.80.6467 ChiMac Off Med713.80.8406 5B W/L L/M853.00.7034 Predom. Up L/M721.40.8317 ChiMac Off High600.20.9997 5B W/L Med733.60.8179 Predom. Up Med650.30.9227 ChiMac AP Low811.00.7398 5B W/L M/H673.90.8903 Predom. Up M/H615.30.9751 ChiMac AP Med729.60.8223 5B W/L High639.70.9379 Predom. Up High598.51.0026 ChiMac AP High631.60.9500 W/L 60-40 Low1162.30.5162 Predom. Rc Low825.90.7265 BayMac Cove Island928.80.6460 W/L 60-40 L/M863.00.6953 Predom. Rc L/M645.60.9293 BayMac Shore921.10.6514 W/L 60-40 Med750.50.7995 Predom. Rc Med574.71.0440 Harvest Moon530.91.1302 W/L 60-40 M/H699.10.8582 Predom. Rc M/H521.11.1513 5B SF Bay Low978.50.6132 W/L 60-40 High674.40.8897      SA/DSPL Up32.22SA/DSPL Dn56.71
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance665.50.9015
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance665.50.9015
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance665.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating665.50.9015
FinRating, kevyt tuuli1138.10.8786
FinRating, kova tuuli520.70.9603
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9015
Triple Number Coastal/Long Distance Low0.7771
Triple Number Coastal/Long Distance Medium0.9811
Triple Number Coastal/Long Distance High1.0983
Triple Number Windward/Leeward Low0.6059
Triple Number Windward/Leeward Medium0.8057
Triple Number Windward/Leeward High0.9016
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
For information
General Purpose Handicap (GPH)685.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance665.50.9015
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Saronikos S All Purpose687.00.8733
Saronikos S Upwind781.50.7677
Saronikos S Downwind572.11.0488
Saronikos N All Purpose733.30.8182
Saronikos N Upwind818.40.7331
Saronikos N Downwind639.20.9387
Saronikos SW All Purpose687.00.8734
Saronikos SW Upwind796.60.7532
Saronikos SW Downwind581.61.0316
Saronikos NE All Purpose753.80.7960
Saronikos NE Upwind765.50.7838
Saronikos NE Downwind712.70.8418
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose636.70.9424
5-Band All Purpose Low925.10.6486
5-Band All Purpose L/M707.60.8480
5-Band All Purpose Med623.60.9622
5-Band All Purpose M/H570.61.0515
5-Band All Purpose High533.11.1255
Single Number Predominant Upwind666.80.8999
Single Number Predominant Reaching588.31.0198
Single Number Predominant Downwind619.20.9690
5-Band 50-50 Windward/Leeward Low1158.20.5180
5-Band 50-50 Windward/Leeward L/M853.00.7034
5-Band 50-50 Windward/Leeward Med733.60.8179
5-Band 50-50 Windward/Leeward M/H673.90.8903
5-Band 50-50 Windward/Leeward High639.70.9379
5-Band 60-40 Windward/Leeward Low1162.30.5162
5-Band 60-40 Windward/Leeward L/M863.00.6953
5-Band 60-40 Windward/Leeward Med750.50.7995
5-Band 60-40 Windward/Leeward M/H699.10.8582
5-Band 60-40 Windward/Leeward High674.40.8897
Triple Number 50-50 Windward/Leeward Low1035.90.5792
Triple Number 50-50 Windward/Leeward Med744.80.8056
Triple Number 50-50 Windward/Leeward High665.50.9016
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward768.50.7808
Triple Number 60-40 Windward/Leeward Low1041.60.5760
Triple Number 60-40 Windward/Leeward Med760.40.7891
Triple Number 60-40 Windward/Leeward High692.70.8662
Triple Number All-Purpose Low836.50.7173
Triple Number All-Purpose Med632.00.9494
Triple Number All-Purpose High560.91.0697
Triple Number Predominant Upwind Low849.80.7060
Triple Number Predominant Upwind Med659.00.9105
Triple Number Predominant Upwind High619.30.9689
Triple Number Predominant Reaching Low756.80.7928
Triple Number Predominant Reaching Med592.21.0132
Triple Number Predominant Reaching High500.11.1999
Triple Number Predominant Downwind Low835.80.7178
Triple Number Predominant Downwind Med610.10.9834
Triple Number Predominant Downwind High500.31.1992
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance665.50.9015
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance665.50.9015
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low772.1
Triple Number Coastal/Long Distance Medium611.6
Triple Number Coastal/Long Distance High546.3
Triple Number Windward/Leeward Low990.3
Triple Number Windward/Leeward Medium744.7
Triple Number Windward/Leeward High665.5
Predominantly Upwind668.6
Predominantly Downwind617.7
Predominantly Reaching595.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance665.50.9015
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7771
Triple Number Coastal/Long Distance Medium0.9811
Triple Number Coastal/Long Distance High1.0983
Triple Number Windward/Leeward Low0.6059
Triple Number Windward/Leeward Medium0.8057
Triple Number Windward/Leeward High0.9016
Coastal/Long Distance0.9015
Predominantly Upwind0.8974
Predominantly Downwind0.9714
For information
General Purpose Handicap (GPH)685.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9775
Distanseseilas Trippeltall svak vind0.7771
Distanseseilas Trippeltall mellomvind0.9811
Distanseseilas Trippeltall sterk vind1.0983
Pølsebane Trippeltall svak vind0.6059
Pølsebane Trippeltall mellomvind0.8057
Pølsebane Trippeltall sterk vind0.9016
Motvind Singeltall0.8974
Medvind Singeltall0.9714
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Coastal/Long Distance665.50.9015
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind668.60.8974
Predominantly Downwind617.70.9714
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore611.30.9815
Cape Doctor Coastal500.81.1980
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7771
Triple Number Coastal/Long Distance Medium0.9811
Triple Number Coastal/Long Distance High1.0983
Triple Number Windward/Leeward Low0.6059
Triple Number Windward/Leeward Medium0.8057
Triple Number Windward/Leeward High0.9016
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7771
Triple Number Coastal/Long Distance Medium0.9811
Triple Number Coastal/Long Distance High1.0983
Triple Number Windward/Leeward Low0.6059
Triple Number Windward/Leeward Medium0.8057
Triple Number Windward/Leeward High0.9016
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance665.50.9015
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Predominantly Upwind668.60.8974
Predominantly Downwind617.70.9714
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance665.50.9015
Triple Number Coastal/Long Distance Low772.10.7771
Triple Number Coastal/Long Distance Medium611.60.9811
Triple Number Coastal/Long Distance High546.31.0983
Triple Number Windward/Leeward Low990.30.6059
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High665.50.9016
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1556.81093.2835.2706.3635.2593.4556.5492.2458.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP636.70.9424 Predom. Dn High468.31.2812 5B AP M/H554.71.0816 TriNum AP Low772.10.7771 Predom. Rc Low825.90.7265 5B AP High522.41.1485 TriNum AP Med611.60.9810 Predom. Rc L/M645.60.9293 5B SF Bay Low978.50.6132 TriNum AP High546.31.0983 Predom. Rc Med574.71.0440 5B SF Bay L/M814.50.7366 TriNum W/L Low1035.90.5792 Predom. Rc M/H521.11.1513 5B SF Bay Med710.90.8440 TriNum W/L Med744.70.8057 Predom. Rc High479.71.2507 5B SF Bay M/H656.10.9145 TriNum W/L Hig665.50.9016 5B W/L Low1158.20.5180 5B SF Bay High623.40.9625 Predom. Upwind693.80.8648 5B W/L L/M853.00.7034 ChiMac Up Low823.70.7284 Predom. Reaching606.70.9890 5B W/L Med733.60.8179 ChiMac Up Med751.00.7990 Predom. Downwind640.80.9363 5B W/L M/H673.90.8903 ChiMac Up High666.50.9003 Predom. Up Low927.80.6467 5B W/L High639.70.9379 ChiMac Off Low806.00.7444 Predom. Up L/M721.40.8317 W/L 60-40 Low1162.30.5162 ChiMac Off Med713.80.8406 Predom. Up Med650.30.9227 W/L 60-40 L/M863.00.6953 ChiMac Off High600.20.9997 Predom. Up M/H615.30.9751 W/L 60-40 Med750.50.7995 ChiMac AP Low811.00.7398 Predom. Up High598.51.0026 W/L 60-40 M/H699.10.8582 ChiMac AP Med729.60.8223 Predom. Dn Low931.20.6444 W/L 60-40 High674.40.8897 ChiMac AP High631.60.9500 Predom. Dn L/M697.50.8602 5B AP Low850.40.7056 BayMac Cove Island928.80.6460 Predom. Dn Med599.41.0011 5B AP L/M683.10.8783 BayMac Shore921.10.6514 Predom. Dn M/H528.21.1360 5B AP Med603.60.9940 Harvest Moon530.91.1302      SA/DSPL Up32.22SA/DSPL Dn56.71
ORC Ref  03190004QOE Issued on 21/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
XTREMEITA-XTRM26
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)
ClassX-79Measurement01/01/1981HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall7.927Maximum beam2.860Draft1.332Displacement1,344Wetted area11.41IMS L6.503LSM05.700Accomod. length7.927Sink (kg/mm) 8.70
VCGD-0.121VCGM0.000 RM Rated (kg·m) 31.4Limit of positive stability(°) 111.9 Stability Index 103.8 BLR index 0.0000Default crew weight309 Declared crew weight 350
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders1Rotating mastNo
P10.000IG9.147ISP9.437MDT10.082MDL10.122MDT2MDL2TLTaperMWGO
E3.500J2.760BAS1.167FSDNo FoilSFJSPL2.830WPLTPSBD0.096MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.121Flotation Date20/05/2026
SFFP0.509FFM0.890FF0.890LCFcl4.206SG1.0250
SAFP7.625FAM0.814FA0.814LCFsh4.431HBI0.852
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190004QOE Issued on 21/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
XTREMEITA-XTRM26
FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.130.711.282.232.9520.6919/05/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA4.118.89NoNo 18.6019/05/2026
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA9.189.189.186.684.9548.4619/05/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverYes (manual)BoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  03190004QOE Issued on 21/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org