Club Certificate2026
ALFETALTU 420
Lithuanian Yachting Union
A.Goštauto g. 40 A
LT-03163, Vilnius
Lithuania
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 Angles45.8°43.3°41.1°39.3°38.9°39.0°39.2°40.7°43.3°
Beat VMG2.343.334.044.494.614.654.674.644.45
52°3.675.085.966.446.586.656.706.746.67
60°3.945.356.176.626.816.906.987.067.03
75°4.145.526.316.777.137.327.467.647.70
90°4.215.736.576.957.207.637.928.278.50
110°4.205.836.737.327.758.128.469.019.62
120°4.075.716.677.357.988.459.0110.0110.76
135°3.625.126.266.967.628.389.3811.3313.33
150°3.004.325.426.306.937.488.1410.5014.12
Run VMG2.593.754.705.456.026.487.059.0912.23
Gybe Angles139.9°143.5°147.9°150.3°153.0°150.8°145.6°142.2°147.5°
APH ToD:574.9CDL: 7.605APH ToT: 1.0437CertNo:LT420
BOAT
ClassRS 280DesignerUAB PlastolitasBuilderUAB PlastolitasAge date04/2002Series date06/1998Offset fileRS280.OFFData fileAlfeta LTU420
HULL
Length Overall8.300 mMaximum Beam2.656 mDraft1.713 mDisplacement1,735 kgDLR4.2405IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight420 kg(declared)Minimum weight290 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail25.8026.68Headsail Luffed18.5818.58Headsail FlyingSymmetricAsymmetric79.4079.40 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail6.85Storm Jib5.58Heavy Weather Jib15.05
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 44.1 kg·m Stability Index 99.5
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  03590004V0S Issued on 09/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ALFETALTU 420
Lithuanian Yachting Union
A.Goštauto g. 40 A
LT-03163, Vilnius
Lithuania
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 VMG1535.91080.4890.3802.7781.3774.3770.8776.7808.2
52°981.0709.1603.8559.3546.9541.1537.0534.2539.6
60°913.3673.5583.3543.7529.0521.6516.1510.2512.0
75°869.4652.1570.1531.9505.0491.7482.5471.3467.3
90°855.7628.5548.1518.3500.0472.1454.7435.1423.7
110°857.3617.6534.6491.7464.3443.3425.7399.6374.4
120°883.7630.9539.9490.0451.3426.0399.7359.8334.7
135°995.8703.3575.3517.4472.7429.8384.0317.9270.1
150°1201.6832.5663.7571.8519.4481.1442.1342.9255.0
Run VMG1387.5961.2766.3660.1597.7555.3510.5396.0294.5
Selected Courses
Windward / Leeward1461.71020.8828.3731.4689.5664.8640.6586.3551.3
All purpose1106.7786.2654.6591.4560.3538.4518.6483.7462.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward713.30.8411
All purpose574.91.0437
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.10.9599
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7147
Downwind "popa"0.9445
70% up, 30% down "Ilhabela"0.7710
30% up, 70% down "Ilhabela-inverso"0.8614
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Predominantly Upwind633.30.9474
Predominantly Downwind568.91.0546
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP595.41.0077 Predom. Rc High446.51.3437 5B SF Bay L/M765.70.7835 TriNum AP Low720.40.8329 Predom. Dn Low853.30.7031 5B SF Bay Med674.20.8899 TriNum AP Med573.11.0469 Predom. Dn L/M640.90.9362 5B SF Bay M/H619.40.9686 TriNum AP High510.51.1754 Predom. Dn Med554.51.0821 5B SF Bay High577.71.0386 TriNum W/L Low968.60.6195 Predom. Dn M/H483.71.2406 5B AP Low793.40.7563 TriNum W/L Med708.80.8465 Predom. Dn High423.51.4169 5B AP L/M637.80.9408 TriNum W/L Hig626.30.9580 ChiMac Up Low783.70.7656 5B AP Med566.11.0599 Predom. Upwind658.30.9115 ChiMac Up Med713.30.8412 5B AP M/H519.61.1548 Predom. Reaching563.61.0645 ChiMac Up High630.90.9511 5B AP High486.01.2345 Predom. Downwind589.81.0173 ChiMac Off Low740.60.8102 5B W/L Low1082.90.5541 Predom. Up Low885.40.6777 ChiMac Off Med656.70.9137 5B W/L L/M802.00.7481 Predom. Up L/M682.60.8790 ChiMac Off High551.21.0885 5B W/L Med699.70.8575 Predom. Up Med616.50.9733 ChiMac AP Low758.70.7908 5B W/L M/H639.60.9380 Predom. Up M/H582.31.0304 ChiMac AP Med682.70.8789 5B W/L High589.71.0175 Predom. Up High564.71.0625 ChiMac AP High589.81.0173 W/L 60-40 Low1095.70.5476 Predom. Rc Low769.60.7796 BayMac Cove Island871.10.6888 W/L 60-40 L/M815.80.7354 Predom. Rc L/M597.91.0034 BayMac Shore864.90.6937 W/L 60-40 Med718.10.8355 Predom. Rc Med533.41.1248 Harvest Moon491.01.2221 W/L 60-40 M/H666.40.9004 Predom. Rc M/H482.01.2449 5B SF Bay Low917.00.6543 W/L 60-40 High627.90.9555      SA/DSPL Up30.68SA/DSPL Dn72.72
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.10.9599
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.10.9599
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance625.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating625.10.9599
FinRating, kevyt tuuli1063.70.9401
FinRating, kova tuuli486.21.0285
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9599
Triple Number Coastal/Long Distance Low0.8329
Triple Number Coastal/Long Distance Medium1.0470
Triple Number Coastal/Long Distance High1.1754
Triple Number Windward/Leeward Low0.6490
Triple Number Windward/Leeward Medium0.8465
Triple Number Windward/Leeward High0.9580
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
For information
General Purpose Handicap (GPH)641.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.10.9599
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Saronikos S All Purpose647.00.9274
Saronikos S Upwind751.40.7985
Saronikos S Downwind514.91.1653
Saronikos N All Purpose691.30.8679
Saronikos N Upwind787.70.7617
Saronikos N Downwind579.41.0356
Saronikos SW All Purpose646.00.9288
Saronikos SW Upwind765.30.7840
Saronikos SW Downwind525.21.1425
Saronikos NE All Purpose708.40.8470
Saronikos NE Upwind735.00.8163
Saronikos NE Downwind646.20.9286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose595.41.0077
5-Band All Purpose Low865.20.6935
5-Band All Purpose L/M660.00.9091
5-Band All Purpose Med584.71.0261
5-Band All Purpose M/H532.71.1263
5-Band All Purpose High494.51.2134
Single Number Predominant Upwind631.70.9498
Single Number Predominant Reaching545.21.1006
Single Number Predominant Downwind570.51.0518
5-Band 50-50 Windward/Leeward Low1082.90.5541
5-Band 50-50 Windward/Leeward L/M802.00.7481
5-Band 50-50 Windward/Leeward Med699.70.8575
5-Band 50-50 Windward/Leeward M/H639.60.9380
5-Band 50-50 Windward/Leeward High589.71.0175
5-Band 60-40 Windward/Leeward Low1095.70.5476
5-Band 60-40 Windward/Leeward L/M815.80.7354
5-Band 60-40 Windward/Leeward Med718.10.8355
5-Band 60-40 Windward/Leeward M/H666.40.9004
5-Band 60-40 Windward/Leeward High627.90.9555
Triple Number 50-50 Windward/Leeward Low968.60.6195
Triple Number 50-50 Windward/Leeward Med708.90.8464
Triple Number 50-50 Windward/Leeward High626.30.9580
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward732.40.8192
Triple Number 60-40 Windward/Leeward Low981.20.6115
Triple Number 60-40 Windward/Leeward Med726.30.8261
Triple Number 60-40 Windward/Leeward High655.80.9149
Triple Number All-Purpose Low780.60.7687
Triple Number All-Purpose Med592.21.0132
Triple Number All-Purpose High522.41.1486
Triple Number Predominant Upwind Low806.80.7437
Triple Number Predominant Upwind Med624.10.9614
Triple Number Predominant Upwind High587.41.0215
Triple Number Predominant Reaching Low703.40.8529
Triple Number Predominant Reaching Med550.81.0893
Triple Number Predominant Reaching High462.01.2988
Triple Number Predominant Downwind Low766.70.7826
Triple Number Predominant Downwind Med563.81.0641
Triple Number Predominant Downwind High453.21.3238
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.10.9599
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.10.9599
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low720.4
Triple Number Coastal/Long Distance Medium573.1
Triple Number Coastal/Long Distance High510.5
Triple Number Windward/Leeward Low924.5
Triple Number Windward/Leeward Medium708.8
Triple Number Windward/Leeward High626.3
Predominantly Upwind633.3
Predominantly Downwind568.9
Predominantly Reaching549.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.10.9599
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8329
Triple Number Coastal/Long Distance Medium1.0470
Triple Number Coastal/Long Distance High1.1754
Triple Number Windward/Leeward Low0.6490
Triple Number Windward/Leeward Medium0.8465
Triple Number Windward/Leeward High0.9580
Coastal/Long Distance0.9599
Predominantly Upwind0.9474
Predominantly Downwind1.0546
For information
General Purpose Handicap (GPH)641.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0437
Distanseseilas Trippeltall svak vind0.8329
Distanseseilas Trippeltall mellomvind1.0470
Distanseseilas Trippeltall sterk vind1.1754
Pølsebane Trippeltall svak vind0.6490
Pølsebane Trippeltall mellomvind0.8465
Pølsebane Trippeltall sterk vind0.9580
Motvind Singeltall0.9474
Medvind Singeltall1.0546
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Coastal/Long Distance625.10.9599
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind633.30.9474
Predominantly Downwind568.91.0546
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore561.81.0680
Cape Doctor Coastal468.71.2802
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8329
Triple Number Coastal/Long Distance Medium1.0470
Triple Number Coastal/Long Distance High1.1754
Triple Number Windward/Leeward Low0.6490
Triple Number Windward/Leeward Medium0.8465
Triple Number Windward/Leeward High0.9580
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8329
Triple Number Coastal/Long Distance Medium1.0470
Triple Number Coastal/Long Distance High1.1754
Triple Number Windward/Leeward Low0.6490
Triple Number Windward/Leeward Medium0.8465
Triple Number Windward/Leeward High0.9580
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.10.9599
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Predominantly Upwind633.30.9474
Predominantly Downwind568.91.0546
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.10.9599
Triple Number Coastal/Long Distance Low720.40.8329
Triple Number Coastal/Long Distance Medium573.11.0470
Triple Number Coastal/Long Distance High510.51.1754
Triple Number Windward/Leeward Low924.50.6490
Triple Number Windward/Leeward Medium708.80.8465
Triple Number Windward/Leeward High626.30.9580
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1454.31014.8779.4661.9599.0560.0522.9456.1432.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP595.41.0077 Predom. Dn High423.51.4169 5B AP M/H519.61.1548 TriNum AP Low720.40.8329 Predom. Rc Low769.60.7796 5B AP High486.01.2345 TriNum AP Med573.11.0469 Predom. Rc L/M597.91.0034 5B SF Bay Low917.00.6543 TriNum AP High510.51.1754 Predom. Rc Med533.41.1248 5B SF Bay L/M765.70.7835 TriNum W/L Low968.60.6195 Predom. Rc M/H482.01.2449 5B SF Bay Med674.20.8899 TriNum W/L Med708.80.8465 Predom. Rc High446.51.3437 5B SF Bay M/H619.40.9686 TriNum W/L Hig626.30.9580 5B W/L Low1082.90.5541 5B SF Bay High577.71.0386 Predom. Upwind658.30.9115 5B W/L L/M802.00.7481 ChiMac Up Low783.70.7656 Predom. Reaching563.61.0645 5B W/L Med699.70.8575 ChiMac Up Med713.30.8412 Predom. Downwind589.81.0173 5B W/L M/H639.60.9380 ChiMac Up High630.90.9511 Predom. Up Low885.40.6777 5B W/L High589.71.0175 ChiMac Off Low740.60.8102 Predom. Up L/M682.60.8790 W/L 60-40 Low1095.70.5476 ChiMac Off Med656.70.9137 Predom. Up Med616.50.9733 W/L 60-40 L/M815.80.7354 ChiMac Off High551.21.0885 Predom. Up M/H582.31.0304 W/L 60-40 Med718.10.8355 ChiMac AP Low758.70.7908 Predom. Up High564.71.0625 W/L 60-40 M/H666.40.9004 ChiMac AP Med682.70.8789 Predom. Dn Low853.30.7031 W/L 60-40 High627.90.9555 ChiMac AP High589.81.0173 Predom. Dn L/M640.90.9362 5B AP Low793.40.7563 BayMac Cove Island871.10.6888 Predom. Dn Med554.51.0821 5B AP L/M637.80.9408 BayMac Shore864.90.6937 Predom. Dn M/H483.71.2406 5B AP Med566.11.0599 Harvest Moon491.01.2221      SA/DSPL Up30.68SA/DSPL Dn72.72
ORC Ref  03590004V0S Issued on 09/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ALFETALTU 420
Lithuanian Yachting Union
A.Goštauto g. 40 A
LT-03163, Vilnius
Lithuania
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassRS 280Measurement19/07/2012HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.300Maximum beam2.656Draft1.713Displacement1,735Wetted area15.17IMS L7.904LSM07.423Accomod. length8.282Sink (kg/mm) 11.60
VCGD-0.007VCGM0.013 RM Rated (kg·m) 44.1Limit of positive stability(°) 105.8 Stability Index 99.5 BLR index 0.0000Default crew weight450 Declared crew weight 420
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 backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P10.570IG10.520ISP11.930MDT10.105MDL10.159MDT20.105MDL20.120TL1.122MW0.159GO0.169
E3.700J3.000BAS1.300FSD0.024SFJ0.000SPL0.000WPLTPS4.680BD0.130MWT80.50MCG4.480
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date02/08/2024
SFFP0.500FFM0.966FF0.971LCFcl4.529SG1.0000
SAFP7.839FAM0.634FA0.637LCFsh4.709HBI0.790
W135.7W235.7W335.7W435.7LCFD4.900
PD1226.9PD2221.5PD3224.1PD4225.4
WD3.445PLM9000.00GSA1.0RSA1.0RM43.1
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGB/NBattery103.20Total deductible0
ORC Ref  03590004V0S Issued on 09/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ALFETALTU 420
Lithuanian Yachting Union
A.Goštauto g. 40 A
LT-03163, Vilnius
Lithuania
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentODM0.170.991.702.703.4025.80STANDARTAS
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentODJ0.100.530.971.842.703.5710.15YesNo 18.58Standartas
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentODG214.1912.0313.117.197.5895%79.40ODG112.0510.2011.135.807.2580%56.46
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  03590004V0S Issued on 09/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org