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Club Certificate2026
AlaskaRUS 3521
Novokolomiazhskii av 11-70
197375 St-Petersburg, Russia
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 Angles44,9°41,8°39,6°37,7°36,7°36,4°36,2°36,1°36,6°
Beat VMG2,883,964,705,155,355,465,535,605,59
52°4,485,946,797,197,397,497,567,657,69
60°4,796,206,987,357,557,677,757,877,93
75°5,026,387,117,477,717,908,058,248,39
90°4,916,287,097,567,858,038,268,658,92
110°4,536,167,187,708,088,468,829,289,66
120°4,345,987,057,618,028,458,889,6910,28
135°3,805,366,527,267,728,148,599,5610,86
150°3,134,505,626,577,227,668,048,909,86
Run VMG2,713,894,865,696,376,977,468,209,02
Gybe Angles138,4°142,4°147,0°150,2°158,5°171,8°178,1°178,6°177,7°
APH ToD:527,4CDL: 9,906APH ToT: 1,1376CertNo:35217
BOAT
ClassYOK 41DesignerI.YOKOYAMABuilderTSUBOI, JAPANAge date08.1985Series date08.1985Offset fileJCBIY54.offData fileRU3521_Alaska
HULL
Length Overall12,410 mMaximum Beam3,860 mDraft2,290 mDisplacement6 495 kgDLR7,4850IMS DivisionCruiser/RacerDynamic Allowance0,000%Age Allowance0,650%RS Assessment-0,331%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0,530m
CREW
Maximum weight643 kg(default)Minimum weight513 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail51,2552,08Headsail Luffed44,2044,20Headsail FlyingSymmetric92,2792,27Asymmetric107,62107,62 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail15,59Storm Jib10,49Heavy Weather Jib28,31
SAIL LIMITS
Headsails6Spinnakers5
✱ Asymmetric may be tacked on the pole
STABILITY
Righting Moment 159,3 kg·m Stability Index 109,5
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  TEST CERTIFICATE - NOT VALID FOR RACING
VPP ver: 2026 1.00 | © ORC | www.orc.org
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST
Club Certificate2026
AlaskaRUS 3521
Novokolomiazhskii av 11-70
197375 St-Petersburg, Russia
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 VMG1251,7908,4765,5699,7673,0659,3651,3642,4644,0
52°803,8606,4530,0500,6487,1480,5476,1470,6468,3
60°751,1580,3515,8490,0476,9469,4464,5457,6454,1
75°716,7563,9506,7481,7466,7455,7447,5436,7429,1
90°733,9573,1507,6476,4458,8448,1435,8416,1403,5
110°795,6584,3501,6467,8445,3425,5408,0387,8372,7
120°829,2601,6510,6473,1448,7426,3405,3371,6350,2
135°946,8672,1552,3495,9466,1442,3419,2376,4331,6
150°1150,2800,8640,9548,3498,3469,9447,7404,6365,0
Run VMG1328,2924,7740,0633,0565,4516,6482,9438,9399,0
Selected Courses
Windward / Leeward1289,9916,6752,8666,3619,2588,0567,1540,6521,5
All purpose972,2708,0596,7542,7513,6494,4479,6457,6440,8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward641,50,9354
All purpose527,41,1376
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572,11,0488
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0,8401
Downwind "popa"0,9764
70% up, 30% down "Ilhabela"0,8768
30% up, 70% down "Ilhabela-inverso"0,9311
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Predominantly Upwind566,01,0600
Predominantly Downwind537,51,1162
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP547,41,0961 Predom. Rc High435,41,3780 5B SF Bay L/M691,60,8676 TriNum AP Low652,40,9197 Predom. Dn Low791,30,7582 5B SF Bay Med607,30,9879 TriNum AP Med525,51,1419 Predom. Dn L/M600,40,9993 5B SF Bay M/H557,31,0765 TriNum AP High475,01,2630 Predom. Dn Med522,01,1494 5B SF Bay High530,71,1306 TriNum W/L Low871,50,6884 Predom. Dn M/H469,11,2790 5B AP Low717,70,8360 TriNum W/L Med638,20,9401 Predom. Dn High434,51,3809 5B AP L/M581,81,0313 TriNum W/L Hig562,41,0669 ChiMac Up Low688,20,8718 5B AP Med519,31,1555 Predom. Upwind585,11,0255 ChiMac Up Med630,80,9512 5B AP M/H481,31,2467 Predom. Reaching523,81,1454 ChiMac Up High563,31,0652 5B AP High458,51,3086 Predom. Downwind558,41,0745 ChiMac Off Low689,80,8699 5B W/L Low968,90,6192 Predom. Up Low769,30,7800 ChiMac Off Med615,80,9744 5B W/L L/M726,70,8257 Predom. Up L/M608,50,9860 ChiMac Off High527,01,1385 5B W/L Med628,50,9546 Predom. Up Med551,91,0871 ChiMac AP Low685,70,8750 5B W/L M/H570,51,0517 Predom. Up M/H521,81,1499 ChiMac AP Med621,00,9662 5B W/L High541,91,1072 Predom. Up High505,51,1870 ChiMac AP High543,81,1034 W/L 60-40 Low966,90,6206 Predom. Rc Low695,50,8627 BayMac Cove Island781,20,7681 W/L 60-40 L/M731,30,8205 Predom. Rc L/M550,81,0894 BayMac Shore774,30,7749 W/L 60-40 Med639,00,9390 Predom. Rc Med496,21,2092 Harvest Moon470,11,2764 W/L 60-40 M/H587,01,0221 Predom. Rc M/H460,61,3028 5B SF Bay Low819,90,7318 W/L 60-40 High562,41,0669      SA/DSPL Up27,25SA/DSPL Dn45,35
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572,11,0488
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572,11,0488
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance572,1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating572,11,0488
FinRating, kevyt tuuli952,61,0498
FinRating, kova tuuli461,11,0845
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1,0488
Triple Number Coastal/Long Distance Low0,9197
Triple Number Coastal/Long Distance Medium1,1420
Triple Number Coastal/Long Distance High1,2630
Triple Number Windward/Leeward Low0,7189
Triple Number Windward/Leeward Medium0,9401
Triple Number Windward/Leeward High1,0669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
For information
General Purpose Handicap (GPH)586,2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572,11,0488
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Saronikos S All Purpose589,21,0183
Saronikos S Upwind651,30,9212
Saronikos S Downwind513,71,1681
Saronikos N All Purpose615,50,9747
Saronikos N Upwind674,30,8898
Saronikos N Downwind556,51,0782
Saronikos SW All Purpose590,11,0167
Saronikos SW Upwind663,30,9045
Saronikos SW Downwind518,21,1578
Saronikos NE All Purpose634,60,9455
Saronikos NE Upwind634,80,9451
Saronikos NE Downwind616,00,9740
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose547,41,0961
5-Band All Purpose Low776,50,7727
5-Band All Purpose L/M602,90,9953
5-Band All Purpose Med536,11,1193
5-Band All Purpose M/H494,91,2125
5-Band All Purpose High469,71,2775
Single Number Predominant Upwind564,61,0627
Single Number Predominant Reaching507,51,1823
Single Number Predominant Downwind538,41,1144
5-Band 50-50 Windward/Leeward Low968,90,6192
5-Band 50-50 Windward/Leeward L/M726,70,8257
5-Band 50-50 Windward/Leeward Med628,50,9546
5-Band 50-50 Windward/Leeward M/H570,51,0517
5-Band 50-50 Windward/Leeward High541,91,1072
5-Band 60-40 Windward/Leeward Low966,90,6206
5-Band 60-40 Windward/Leeward L/M731,30,8205
5-Band 60-40 Windward/Leeward Med639,00,9390
5-Band 60-40 Windward/Leeward M/H587,01,0221
5-Band 60-40 Windward/Leeward High562,41,0669
Triple Number 50-50 Windward/Leeward Low871,50,6884
Triple Number 50-50 Windward/Leeward Med638,30,9400
Triple Number 50-50 Windward/Leeward High562,41,0669
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward651,80,9206
Triple Number 60-40 Windward/Leeward Low871,60,6884
Triple Number 60-40 Windward/Leeward Med647,90,9261
Triple Number 60-40 Windward/Leeward High579,91,0347
Triple Number All-Purpose Low705,70,8502
Triple Number All-Purpose Med542,71,1056
Triple Number All-Purpose High488,11,2293
Triple Number Predominant Upwind Low709,40,8458
Triple Number Predominant Upwind Med559,31,0728
Triple Number Predominant Upwind High522,11,1493
Triple Number Predominant Reaching Low639,90,9376
Triple Number Predominant Reaching Med509,01,1787
Triple Number Predominant Reaching High446,51,3437
Triple Number Predominant Downwind Low712,60,8420
Triple Number Predominant Downwind Med531,31,1294
Triple Number Predominant Downwind High451,71,3283
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572,11,0488
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572,11,0488
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low652,4
Triple Number Coastal/Long Distance Medium525,4
Triple Number Coastal/Long Distance High475,1
Triple Number Windward/Leeward Low834,6
Triple Number Windward/Leeward Medium638,2
Triple Number Windward/Leeward High562,4
Predominantly Upwind566,0
Predominantly Downwind537,5
Predominantly Reaching515,8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572,11,0488
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0,9197
Triple Number Coastal/Long Distance Medium1,1420
Triple Number Coastal/Long Distance High1,2630
Triple Number Windward/Leeward Low0,7189
Triple Number Windward/Leeward Medium0,9401
Triple Number Windward/Leeward High1,0669
Coastal/Long Distance1,0488
Predominantly Upwind1,0600
Predominantly Downwind1,1162
For information
General Purpose Handicap (GPH)586,2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1,1376
Distanseseilas Trippeltall svak vind0,9197
Distanseseilas Trippeltall mellomvind1,1420
Distanseseilas Trippeltall sterk vind1,2630
Pølsebane Trippeltall svak vind0,7189
Pølsebane Trippeltall mellomvind0,9401
Pølsebane Trippeltall sterk vind1,0669
Motvind Singeltall1,0600
Medvind Singeltall1,1162
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Coastal/Long Distance572,11,0488
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind566,01,0600
Predominantly Downwind537,51,1162
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore527,21,1380
Cape Doctor Coastal445,81,3458
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0,9197
Triple Number Coastal/Long Distance Medium1,1420
Triple Number Coastal/Long Distance High1,2630
Triple Number Windward/Leeward Low0,7189
Triple Number Windward/Leeward Medium0,9401
Triple Number Windward/Leeward High1,0669
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0,9197
Triple Number Coastal/Long Distance Medium1,1420
Triple Number Coastal/Long Distance High1,2630
Triple Number Windward/Leeward Low0,7189
Triple Number Windward/Leeward Medium0,9401
Triple Number Windward/Leeward High1,0669
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572,11,0488
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Predominantly Upwind566,01,0600
Predominantly Downwind537,51,1162
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance572,11,0488
Triple Number Coastal/Long Distance Low652,40,9197
Triple Number Coastal/Long Distance Medium525,41,1420
Triple Number Coastal/Long Distance High475,11,2630
Triple Number Windward/Leeward Low834,60,7189
Triple Number Windward/Leeward Medium638,20,9401
Triple Number Windward/Leeward High562,41,0669
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1293,8917,4710,9605,8546,2512,7485,0439,1422,6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP547,41,0961 Predom. Dn High434,51,3809 5B AP M/H481,31,2467 TriNum AP Low652,40,9197 Predom. Rc Low695,50,8627 5B AP High458,51,3086 TriNum AP Med525,51,1419 Predom. Rc L/M550,81,0894 5B SF Bay Low819,90,7318 TriNum AP High475,01,2630 Predom. Rc Med496,21,2092 5B SF Bay L/M691,60,8676 TriNum W/L Low871,50,6884 Predom. Rc M/H460,61,3028 5B SF Bay Med607,30,9879 TriNum W/L Med638,20,9401 Predom. Rc High435,41,3780 5B SF Bay M/H557,31,0765 TriNum W/L Hig562,41,0669 5B W/L Low968,90,6192 5B SF Bay High530,71,1306 Predom. Upwind585,11,0255 5B W/L L/M726,70,8257 ChiMac Up Low688,20,8718 Predom. Reaching523,81,1454 5B W/L Med628,50,9546 ChiMac Up Med630,80,9512 Predom. Downwind558,41,0745 5B W/L M/H570,51,0517 ChiMac Up High563,31,0652 Predom. Up Low769,30,7800 5B W/L High541,91,1072 ChiMac Off Low689,80,8699 Predom. Up L/M608,50,9860 W/L 60-40 Low966,90,6206 ChiMac Off Med615,80,9744 Predom. Up Med551,91,0871 W/L 60-40 L/M731,30,8205 ChiMac Off High527,01,1385 Predom. Up M/H521,81,1499 W/L 60-40 Med639,00,9390 ChiMac AP Low685,70,8750 Predom. Up High505,51,1870 W/L 60-40 M/H587,01,0221 ChiMac AP Med621,00,9662 Predom. Dn Low791,30,7582 W/L 60-40 High562,41,0669 ChiMac AP High543,81,1034 Predom. Dn L/M600,40,9993 5B AP Low717,70,8360 BayMac Cove Island781,20,7681 Predom. Dn Med522,01,1494 5B AP L/M581,81,0313 BayMac Shore774,30,7749 Predom. Dn M/H469,11,2790 5B AP Med519,31,1555 Harvest Moon470,11,2764      SA/DSPL Up27,25SA/DSPL Dn45,35
ORC Ref  TEST CERTIFICATE - NOT VALID FOR RACING
VPP ver: 2026 1.00 | © ORC | www.orc.org
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Club Certificate2026
AlaskaRUS 3521
Novokolomiazhskii av 11-70
197375 St-Petersburg, Russia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassYOK 41Measurement20.05.2026HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12,410Maximum beam3,860Draft2,290Displacement6 495Wetted area26,81IMS L9,967LSM09,537Accomod. length11,696Sink (kg/mm) 20,63
VCGD0,042VCGM0,015 RM Rated (kg·m) 159,3Limit of positive stability(°) 110,1 Stability Index 109,5 BLR index 0,0000Default crew weight643 Declared crew weight 650
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0,530PBWPIPA0,0036
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysYesSpreaders3Rotating mastNo
P16,045IG14,480ISP14,530MDT10,108MDL10,180MDT2MDL2TLTaperMWGO
E5,550J4,290BAS1,785FSD0,035SFJ0,000SPL4,366WPLTPS5,300BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date09.10.2025MeasurerRUS 92
SFFP0,535FFMFF1,259LCFcl6,258SG
SAFP10,410FAMFA0,836LCFsh6,552HBI1,056
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
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Club Certificate2026
AlaskaRUS 3521
Novokolomiazhskii av 11-70
197375 St-Petersburg, Russia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM20,171,091,983,424,5151,2524.09.2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentH30,070,801,563,114,626,1214,30NoNo 44,2020.02.2026black
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentSS114,3514,3514,357,727,7092,27* Copied from legacy *
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentSA116,0014,5615,288,448,5099%107,6208.06.2023
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length11,7 mTable area0,55 m²Headroom1,80 mMinimum number of berths5Personal gear stowage0,20 m³Fresh water capacity142 lMinimum number of seats in cockpit5Food stowage0,30 m³Fuel capacity84 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
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