Non Spin/HSFClub Certificate2025
FansLAT 441
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
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 Angles41.9°41.9°39.7°38.4°38.2°38.6°39.2°41.0°45.6°
Beat VMG2.132.883.413.703.773.783.763.663.45
52°3.284.314.935.225.335.365.385.375.29
60°3.474.505.085.355.485.535.565.585.55
75°3.614.645.195.475.665.785.845.935.94
90°3.524.575.185.505.745.946.086.276.36
110°3.124.235.025.445.736.016.316.887.25
120°2.914.014.845.335.645.936.247.027.88
135°2.503.544.425.055.435.726.016.757.96
150°2.093.053.944.665.175.505.786.397.33
Run VMG1.802.653.454.164.785.235.536.086.81
Gybe Angles151.6°151.6°159.5°172.1°174.1°176.5°177.5°176.8°174.8°
APH ToD:738.6CDL: 5.151APH ToT: 0.8123CertNo:016/25
BOAT
ClassNevaDesignerI. SidenkoBuilderSNSZAge date01/1993Series date01/1993Offset fileNeva_RF.offData fileLAT-441
HULL
Length Overall6.435 mMaximum Beam2.484 mDraft1.437 mDisplacement946 kgDLR7.0135IMS DivisionPerformanceDynamic Allowance0.240%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight145 kg(declared)Minimum weight130 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail14.4614.67Headsail Luffed10.2410.24Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail4.48Storm Jib2.21Heavy Weather Jib5.97
SAIL LIMITS
Headsails5
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ 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.
Non Spin/HSFClub Certificate2025
FansLAT 441
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
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 VMG1688.01249.51055.5973.8954.4953.4958.1983.61043.2
52°1098.4836.1729.8689.9675.9671.3669.1670.7680.5
60°1036.3800.1709.0673.0657.0650.9647.3645.2648.9
75°998.1776.6693.7658.0636.2622.8616.0607.6606.4
90°1024.1787.6694.8655.1626.8605.9591.8574.0566.3
110°1152.6850.6717.8662.0628.4598.9570.6523.1496.8
120°1238.4898.4743.6675.5638.2607.5577.0512.9456.7
135°1438.91017.0814.9712.3662.5629.4599.2533.4452.1
150°1719.11178.8914.5772.9695.7654.0623.2563.3491.5
Run VMG1998.91359.91044.3864.7753.1688.9650.5591.6528.5
Selected Courses
Windward / Leeward1838.41304.71049.9919.3853.8821.1804.3787.6785.9
All purpose1381.81007.8836.5755.2715.1692.8677.3654.3641.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward894.20.6710
All purpose738.60.8123
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance799.50.7505
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5892
Downwind "popa"0.7055
70% up, 30% down "Ilhabela"0.6199
30% up, 70% down "Ilhabela-inverso"0.6661
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Predominantly Upwind792.40.7572
Predominantly Downwind749.90.8001
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low922.10.6507
Triple Number AP Medium733.10.8185
Triple Number AP High672.60.8921
Triple Number Windward/Leeward Low1230.80.4875
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Single Number Predominant Upwind822.20.7298
Single Number Predominant Reaching734.20.8172
Single Number Predominant Downwind785.30.7640
Predominant Upwind - Low1073.60.5589
Predominant Upwind - Low/Med846.80.7086
Predominant Upwind - Medium771.50.7777
Predominant Upwind - Med/High742.90.8076
Predominant Upwind - High737.20.8139
Predominant Downwind Low1150.10.5217
Predominant Downwind Low/Med847.70.7078
Predominant Downwind Medium724.10.8287
Predominant Downwind Med/High653.10.9188
Predominant Downwind High609.00.9852
Predominant Reaching Low990.70.6056
Predominant Reaching Low/Med772.40.7768
Predominant Reaching Medium690.10.8695
Predominant Reaching Med/High643.40.9326
Predominant Reaching High614.80.9759
SA/DSPL Upwind25.65SA/DSPL Downwind25.65
Scoring OptionTODTOT
5-Band Windward/Leeward Low1375.70.4361
5-Band Windward/Leeward Low/Med1012.40.5927
5-Band Windward/Leeward Medium871.40.6886
5-Band Windward/Leeward Med/High808.50.7422
5-Band Windward/Leeward High790.20.7593
Windward/Leeward 60-40 Low1362.70.4403
Windward/Leeward 60-40 Low/Med1018.00.5894
Windward/Leeward 60-40 Medium890.30.6739
Windward/Leeward 60-40 Med/High839.00.7151
Windward/Leeward 60-40 High830.10.7228
5-Band AP Low1025.50.5851
5-Band AP Low/Med815.10.7361
5-Band AP Medium725.00.8276
5-Band AP Med/High679.20.8833
5-Band AP High656.00.9146
5-Band SF Bay Tour - Low1182.70.5073
5-Band SF Bay Tour - Low/Med971.90.6173
5-Band SF Bay Tour - Medium849.60.7062
5-Band SF Bay Tour - Med/High796.50.7533
5-Band SF Bay Tour - High778.90.7703
Chicago-Mac Upwind0.7132
Chicago-Mac All Purpose0.7290
Chicago-Mac Downwind0.7382
Bayview-Mac Cove Island0.5415
Bayview-Mac Shore0.5472
Harvest Moon Regatta644.40.9311
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance799.50.7505
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance799.50.7505
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance799.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating799.50.7505
FinRating, kevyt tuuli1355.50.7377
FinRating, kova tuuli658.20.7596
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7505
Triple Number Coastal/Long Distance Low0.6507
Triple Number Coastal/Long Distance Medium0.8185
Triple Number Coastal/Long Distance High0.8921
Triple Number Windward/Leeward Low0.5096
Triple Number Windward/Leeward Medium0.6789
Triple Number Windward/Leeward High0.7479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
For information
General Purpose Handicap (GPH)822.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance799.50.7505
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance799.50.7505
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance799.50.7505
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low922.1
Triple Number Coastal/Long Distance Medium733.0
Triple Number Coastal/Long Distance High672.6
Triple Number Windward/Leeward Low1177.4
Triple Number Windward/Leeward Medium883.8
Triple Number Windward/Leeward High802.2
Predominantly Upwind792.4
Predominantly Downwind749.9
Predominantly Reaching719.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance799.50.7505
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6507
Triple Number Coastal/Long Distance Medium0.8185
Triple Number Coastal/Long Distance High0.8921
Triple Number Windward/Leeward Low0.5096
Triple Number Windward/Leeward Medium0.6789
Triple Number Windward/Leeward High0.7479
Coastal/Long Distance0.7505
Predominantly Upwind0.7572
Predominantly Downwind0.8001
For information
General Purpose Handicap (GPH)822.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8123
Distanseseilas Trippeltall svak vind0.6507
Distanseseilas Trippeltall mellomvind0.8185
Distanseseilas Trippeltall sterk vind0.8921
Pølsebane Trippeltall svak vind0.5096
Pølsebane Trippeltall mellomvind0.6789
Pølsebane Trippeltall sterk vind0.7479
Motvind Singeltall0.7572
Medvind Singeltall0.8001
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Coastal/Long Distance799.50.7505
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind792.40.7572
Predominantly Downwind749.90.8001
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore786.40.7630
Cape Doctor Coastal645.10.9301
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6507
Triple Number Coastal/Long Distance Medium0.8185
Triple Number Coastal/Long Distance High0.8921
Triple Number Windward/Leeward Low0.5096
Triple Number Windward/Leeward Medium0.6789
Triple Number Windward/Leeward High0.7479
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6507
Triple Number Coastal/Long Distance Medium0.8185
Triple Number Coastal/Long Distance High0.8921
Triple Number Windward/Leeward Low0.5096
Triple Number Windward/Leeward Medium0.6789
Triple Number Windward/Leeward High0.7479
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance799.50.7505
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Predominantly Upwind792.40.7572
Predominantly Downwind749.90.8001
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance799.50.7505
Triple Number Coastal/Long Distance Low922.10.6507
Triple Number Coastal/Long Distance Medium733.00.8185
Triple Number Coastal/Long Distance High672.60.8921
Triple Number Windward/Leeward Low1177.40.5096
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1969.91310.2993.0839.9760.6718.5683.8618.2596.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low922.10.6507
Triple Number AP Medium733.10.8185
Triple Number AP High672.60.8921
Triple Number Windward/Leeward Low1230.80.4875
Triple Number Windward/Leeward Medium883.80.6789
Triple Number Windward/Leeward High802.20.7479
Single Number Predominant Upwind822.20.7298
Single Number Predominant Reaching734.20.8172
Single Number Predominant Downwind785.30.7640
Predominant Upwind - Low1073.60.5589
Predominant Upwind - Low/Med846.80.7086
Predominant Upwind - Medium771.50.7777
Predominant Upwind - Med/High742.90.8076
Predominant Upwind - High737.20.8139
Predominant Downwind Low1150.10.5217
Predominant Downwind Low/Med847.70.7078
Predominant Downwind Medium724.10.8287
Predominant Downwind Med/High653.10.9188
Predominant Downwind High609.00.9852
Predominant Reaching Low990.70.6056
Predominant Reaching Low/Med772.40.7768
Predominant Reaching Medium690.10.8695
Predominant Reaching Med/High643.40.9326
Predominant Reaching High614.80.9759
SA/DSPL Upwind25.65SA/DSPL Downwind25.65
Scoring OptionTODTOT
5-Band Windward/Leeward Low1375.70.4361
5-Band Windward/Leeward Low/Med1012.40.5927
5-Band Windward/Leeward Medium871.40.6886
5-Band Windward/Leeward Med/High808.50.7422
5-Band Windward/Leeward High790.20.7593
Windward/Leeward 60-40 Low1362.70.4403
Windward/Leeward 60-40 Low/Med1018.00.5894
Windward/Leeward 60-40 Medium890.30.6739
Windward/Leeward 60-40 Med/High839.00.7151
Windward/Leeward 60-40 High830.10.7228
5-Band AP Low1025.50.5851
5-Band AP Low/Med815.10.7361
5-Band AP Medium725.00.8276
5-Band AP Med/High679.20.8833
5-Band AP High656.00.9146
5-Band SF Bay Tour - Low1182.70.5073
5-Band SF Bay Tour - Low/Med971.90.6173
5-Band SF Bay Tour - Medium849.60.7062
5-Band SF Bay Tour - Med/High796.50.7533
5-Band SF Bay Tour - High778.90.7703
Chicago-Mac Upwind0.7132
Chicago-Mac All Purpose0.7290
Chicago-Mac Downwind0.7382
Bayview-Mac Cove Island0.5415
Bayview-Mac Shore0.5472
Harvest Moon Regatta644.40.9311
Non Spin/HSFClub Certificate2025
FansLAT 441
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassNevaMeasurement01/06/2023HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA6.435Max. Beam2.484Draft1.437Displacement946Wetted area8.62IMS L5.406LSM05.127Acc. length6.435Sink (kg/mm) 6.34
VCGD0.078VCGM0.089RM Rated (kg·m) 15.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight266Declared crew weight145
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P8.418IG6.645ISP7.040MDT10.081MDL10.081MDT2MDL2TL0.000MWGO
E3.041J2.221BAS0.790FSD0.000SFJ0.105SPL2.260WPLTPS0.000BD0.130MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered15.5Flotation Date11/06/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
FansLAT 441
Latvijas Jūras
burāšanas asociācija
Grecinieku street 11A-5, Riga
Riga LV-1050 Latvia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.130.551.031.812.4614.4625/05/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.070.400.761.542.363.196.51NoNo 10.2401/05/202400.050.320.621.271.962.646.43NoNo 8.3524/05/2025