Club Certificate2026
YUKONUSA 271
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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°43.7°41.5°39.7°37.8°36.7°36.5°36.4°36.9°
Beat VMG2.303.334.134.725.115.305.415.505.50
52°3.615.116.156.807.167.357.457.577.61
60°3.895.406.416.997.337.547.687.837.90
75°4.085.586.587.137.487.778.008.278.42
90°4.115.766.857.407.737.958.148.679.07
110°4.155.836.987.608.118.568.969.6710.38
120°4.025.696.867.528.068.609.2210.4811.56
135°3.555.126.347.157.698.248.8410.6013.38
150°2.944.305.466.447.137.608.059.1411.44
Run VMG2.543.734.735.586.206.647.037.919.91
Gybe Angles139.3°142.8°146.8°149.8°152.3°156.3°159.1°144.9°140.4°
APH ToD:546.5CDL: 9.322APH ToT: 1.0980CertNo:US27105
BOAT
ClassJ 105DesignerJohnstoneBuilderTillotson-PearsonAge date01/2000Series date01/1991Offset fileJ105.offData fileUS27105
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.004 mDisplacement3,891 kgDLR4.6475IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.650%RS Assessment-0.178%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight563 kg(declared)Minimum weight433 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.6734.37Headsail Luffed24.7524.75Headsail FlyingSymmetricAsymmetric87.4987.49 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.86Storm Jib7.84Heavy Weather Jib21.16
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 103.3 kg·m Stability Index 116.3
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  04560004UH1 Issued on 30/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
YUKONUSA 271
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 VMG1565.91080.8872.5762.5704.1678.8665.9654.9655.0
52°996.8705.1585.8529.1503.0489.9483.0475.5472.8
60°926.0667.1561.9514.8491.5477.5468.9459.9455.9
75°881.3644.9547.5504.7481.1463.3450.0435.2427.4
90°875.1624.6525.3486.5466.0453.0442.3415.0396.9
110°867.2617.1515.4473.4444.0420.6401.6372.2346.8
120°895.1632.8524.6478.8446.5418.4390.3343.6311.4
135°1013.9703.6568.2503.6468.0436.7407.1339.8269.1
150°1225.5836.5658.9559.0504.9473.8447.1394.1314.7
Run VMG1415.1965.9760.8645.5580.9542.1511.8455.1363.4
Selected Courses
Windward / Leeward1490.51023.3816.6704.0642.5610.4588.9555.0509.2
All purpose1126.6785.8639.7566.8526.8502.8485.0455.0423.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward675.10.8888
All purpose546.51.0980
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7750
Downwind "popa"0.9413
70% up, 30% down "Ilhabela"0.8184
30% up, 70% down "Ilhabela-inverso"0.8844
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Predominantly Upwind594.61.0091
Predominantly Downwind554.11.0829
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP569.11.0542 Predom. Rc High427.51.4036 5B SF Bay L/M745.30.8050 TriNum AP Low712.70.8418 Predom. Dn Low856.40.7006 5B SF Bay Med633.10.9478 TriNum AP Med543.61.1037 Predom. Dn L/M626.40.9578 5B SF Bay M/H571.01.0508 TriNum AP High478.21.2547 Predom. Dn Med534.91.1217 5B SF Bay High534.41.1227 TriNum W/L Low965.80.6213 Predom. Dn M/H475.31.2625 5B AP Low793.50.7562 TriNum W/L Med669.50.8962 Predom. Dn High426.41.4070 5B AP L/M618.80.9696 TriNum W/L Hig581.61.0317 ChiMac Up Low768.80.7804 5B AP Med535.41.1208 Predom. Upwind621.90.9649 ChiMac Up Med686.20.8743 5B AP M/H486.41.2335 Predom. Reaching544.21.1026 ChiMac Up High590.11.0168 5B AP High454.81.3193 Predom. Downwind577.91.0382 ChiMac Off Low733.70.8177 5B W/L Low1088.50.5512 Predom. Up Low886.10.6771 ChiMac Off Med646.10.9286 5B W/L L/M781.70.7676 Predom. Up L/M658.90.9106 ChiMac Off High539.81.1114 5B W/L Med657.40.9127 Predom. Up Med574.01.0452 ChiMac AP Low747.50.8027 5B W/L M/H591.31.0148 Predom. Up M/H530.91.1302 ChiMac AP Med663.60.9041 5B W/L High552.91.0852 Predom. Up High507.81.1815 ChiMac AP High563.51.0647 W/L 60-40 Low1100.80.5451 Predom. Rc Low769.80.7795 BayMac Cove Island863.70.6947 W/L 60-40 L/M793.20.7564 Predom. Rc L/M578.71.0369 BayMac Shore857.40.6998 W/L 60-40 Med670.00.8955 Predom. Rc Med507.81.1815 Harvest Moon477.01.2577 W/L 60-40 M/H606.90.9886 Predom. Rc M/H463.21.2953 5B SF Bay Low915.40.6554 W/L 60-40 High573.71.0459      SA/DSPL Up23.51SA/DSPL Dn48.75
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance594.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating594.81.0087
FinRating, kevyt tuuli1071.20.9336
FinRating, kova tuuli454.71.0997
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0087
Triple Number Coastal/Long Distance Low0.8418
Triple Number Coastal/Long Distance Medium1.1039
Triple Number Coastal/Long Distance High1.2547
Triple Number Windward/Leeward Low0.6522
Triple Number Windward/Leeward Medium0.8962
Triple Number Windward/Leeward High1.0317
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
For information
General Purpose Handicap (GPH)615.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Saronikos S All Purpose631.50.9501
Saronikos S Upwind718.90.8347
Saronikos S Downwind524.21.1445
Saronikos N All Purpose660.00.9091
Saronikos N Upwind752.10.7977
Saronikos N Downwind573.11.0470
Saronikos SW All Purpose635.60.9439
Saronikos SW Upwind745.10.8052
Saronikos SW Downwind525.41.1420
Saronikos NE All Purpose684.50.8765
Saronikos NE Upwind706.90.8488
Saronikos NE Downwind641.40.9355
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose569.11.0542
5-Band All Purpose Low867.00.6921
5-Band All Purpose L/M640.50.9368
5-Band All Purpose Med553.41.0841
5-Band All Purpose M/H502.91.1931
5-Band All Purpose High467.61.2832
Single Number Predominant Upwind593.71.0105
Single Number Predominant Reaching522.91.1474
Single Number Predominant Downwind554.61.0819
5-Band 50-50 Windward/Leeward Low1088.50.5512
5-Band 50-50 Windward/Leeward L/M781.70.7676
5-Band 50-50 Windward/Leeward Med657.40.9127
5-Band 50-50 Windward/Leeward M/H591.31.0148
5-Band 50-50 Windward/Leeward High552.91.0852
5-Band 60-40 Windward/Leeward Low1100.80.5451
5-Band 60-40 Windward/Leeward L/M793.20.7564
5-Band 60-40 Windward/Leeward Med670.00.8955
5-Band 60-40 Windward/Leeward M/H606.90.9886
5-Band 60-40 Windward/Leeward High573.71.0459
Triple Number 50-50 Windward/Leeward Low965.80.6213
Triple Number 50-50 Windward/Leeward Med669.60.8961
Triple Number 50-50 Windward/Leeward High581.51.0317
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward688.10.8720
Triple Number 60-40 Windward/Leeward Low977.50.6138
Triple Number 60-40 Windward/Leeward Med681.90.8799
Triple Number 60-40 Windward/Leeward High598.21.0030
Triple Number All-Purpose Low774.90.7742
Triple Number All-Purpose Med561.91.0678
Triple Number All-Purpose High493.81.2151
Triple Number Predominant Upwind Low799.90.7501
Triple Number Predominant Upwind Med584.81.0259
Triple Number Predominant Upwind High529.71.1326
Triple Number Predominant Reaching Low696.40.8616
Triple Number Predominant Reaching Med523.61.1460
Triple Number Predominant Reaching High445.21.3476
Triple Number Predominant Downwind Low763.10.7863
Triple Number Predominant Downwind Med544.61.1018
Triple Number Predominant Downwind High454.21.3210
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low712.8
Triple Number Coastal/Long Distance Medium543.5
Triple Number Coastal/Long Distance High478.2
Triple Number Windward/Leeward Low920.0
Triple Number Windward/Leeward Medium669.5
Triple Number Windward/Leeward High581.6
Predominantly Upwind594.6
Predominantly Downwind554.1
Predominantly Reaching531.0
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8418
Triple Number Coastal/Long Distance Medium1.1039
Triple Number Coastal/Long Distance High1.2547
Triple Number Windward/Leeward Low0.6522
Triple Number Windward/Leeward Medium0.8962
Triple Number Windward/Leeward High1.0317
Coastal/Long Distance1.0087
Predominantly Upwind1.0091
Predominantly Downwind1.0829
For information
General Purpose Handicap (GPH)615.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0980
Distanseseilas Trippeltall svak vind0.8418
Distanseseilas Trippeltall mellomvind1.1039
Distanseseilas Trippeltall sterk vind1.2547
Pølsebane Trippeltall svak vind0.6522
Pølsebane Trippeltall mellomvind0.8962
Pølsebane Trippeltall sterk vind1.0317
Motvind Singeltall1.0091
Medvind Singeltall1.0829
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Coastal/Long Distance594.81.0087
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind594.61.0091
Predominantly Downwind554.11.0829
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore522.91.1474
Cape Doctor Coastal433.31.3849
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8418
Triple Number Coastal/Long Distance Medium1.1039
Triple Number Coastal/Long Distance High1.2547
Triple Number Windward/Leeward Low0.6522
Triple Number Windward/Leeward Medium0.8962
Triple Number Windward/Leeward High1.0317
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8418
Triple Number Coastal/Long Distance Medium1.1039
Triple Number Coastal/Long Distance High1.2547
Triple Number Windward/Leeward Low0.6522
Triple Number Windward/Leeward Medium0.8962
Triple Number Windward/Leeward High1.0317
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Predominantly Upwind594.61.0091
Predominantly Downwind554.11.0829
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low712.80.8418
Triple Number Coastal/Long Distance Medium543.51.1039
Triple Number Coastal/Long Distance High478.21.2547
Triple Number Windward/Leeward Low920.00.6522
Triple Number Windward/Leeward Medium669.50.8962
Triple Number Windward/Leeward High581.61.0317
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1483.01017.6766.8636.1561.4521.9489.6434.3404.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP569.11.0542 Predom. Dn High426.41.4070 5B AP M/H486.41.2335 TriNum AP Low712.70.8418 Predom. Rc Low769.80.7795 5B AP High454.81.3193 TriNum AP Med543.61.1037 Predom. Rc L/M578.71.0369 5B SF Bay Low915.40.6554 TriNum AP High478.21.2547 Predom. Rc Med507.81.1815 5B SF Bay L/M745.30.8050 TriNum W/L Low965.80.6213 Predom. Rc M/H463.21.2953 5B SF Bay Med633.10.9478 TriNum W/L Med669.50.8962 Predom. Rc High427.51.4036 5B SF Bay M/H571.01.0508 TriNum W/L Hig581.61.0317 5B W/L Low1088.50.5512 5B SF Bay High534.41.1227 Predom. Upwind621.90.9649 5B W/L L/M781.70.7676 ChiMac Up Low768.80.7804 Predom. Reaching544.21.1026 5B W/L Med657.40.9127 ChiMac Up Med686.20.8743 Predom. Downwind577.91.0382 5B W/L M/H591.31.0148 ChiMac Up High590.11.0168 Predom. Up Low886.10.6771 5B W/L High552.91.0852 ChiMac Off Low733.70.8177 Predom. Up L/M658.90.9106 W/L 60-40 Low1100.80.5451 ChiMac Off Med646.10.9286 Predom. Up Med574.01.0452 W/L 60-40 L/M793.20.7564 ChiMac Off High539.81.1114 Predom. Up M/H530.91.1302 W/L 60-40 Med670.00.8955 ChiMac AP Low747.50.8027 Predom. Up High507.81.1815 W/L 60-40 M/H606.90.9886 ChiMac AP Med663.60.9041 Predom. Dn Low856.40.7006 W/L 60-40 High573.71.0459 ChiMac AP High563.51.0647 Predom. Dn L/M626.40.9578 5B AP Low793.50.7562 BayMac Cove Island863.70.6947 Predom. Dn Med534.91.1217 5B AP L/M618.80.9696 BayMac Shore857.40.6998 Predom. Dn M/H475.31.2625 5B AP Med535.41.1208 Harvest Moon477.01.2577      SA/DSPL Up23.51SA/DSPL Dn48.75
ORC Ref  04560004UH1 Issued on 30/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
YUKONUSA 271
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.570Maximum beam3.344Draft2.004Displacement3,891Wetted area22.69IMS L9.648LSM09.424Accomod. length10.570Sink (kg/mm) 17.00
VCGD-0.159VCGM-0.175 RM Rated (kg·m) 103.3Limit of positive stability(°) 118.8 Stability Index 116.3 BLR index 0.0000Default crew weight633 Declared crew weight 563
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.381PBW0.100PIPA0.0049
PSD0.026PHD0.068PHL0.113
PSA21.0°ESL0.813
ST10.020ST20.096ST30.090
ST40.055ST50.255
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.650IG12.433ISP12.853MDT10.101MDL10.164MDT20.085MDL20.105TL2.010MW0.164GO0.192
E4.450J4.130BAS1.553FSD0.034SFJ0.000SPLWPLTPS5.901BD0.130MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date09/03/2024
SFFP0.966FFM1.096FF1.095LCFcl5.858SG1.0270
SAFP10.056FAM0.763FA0.763LCFsh6.097HBI0.928
W153.4W253.4W353.4W453.4
PD1512.7PD2512.7PD3512.7PD4512.7
WD12.600PLM9000.00GSA1.0RSA1.0RM103.3
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004UH1 Issued on 30/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
YUKONUSA 271
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.180.941.652.873.8033.67
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJib0.080.531.031.983.054.1612.10YesNo 24.7507/07/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA314.2012.3413.277.599.2083%87.4907/07/2025OUS12110607-002A2-Class14.7711.5513.167.808.3693%86.7707/07/2025OUS999611182-01
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004UH1 Issued on 30/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org