International
Certificate
2023

Boat

AVALANCHE

GBR 20

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.6°40.3°38.8°38.2°38.4°38.2°38.8°
Beat VMG4.455.275.635.815.925.985.98
52°6.787.758.118.318.458.548.62
60°7.268.058.428.668.848.989.12
75°7.788.348.879.249.519.7210.01
90°7.928.669.189.6510.1010.4710.99
110°7.588.559.4710.2310.8611.4212.40
120°7.128.259.1410.1011.0711.9313.27
135°6.147.738.719.7610.9312.0913.86
150°5.146.547.708.639.5510.6913.46
Run VMG4.455.666.677.478.279.2611.66
Gybe Angles142.1°144.2°147.8°150.5°148.0°146.0°145.6°

APH: 450.0

CDL: 11.886

GPH: 501.6

CertNo: US7008

BOAT
ClassSOTO 40DesignerSOTO ACEBALBuilderM BOATSAge date01/2011Series date09/2008Offset filesoto40.offData fileUS7008
HULL
Length Overall12.300 mMaximum Beam3.796 mDraft2.609 mDisplacement4,344 kgDLR2.5462IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.423m
CREW
Maximum weight887 kgMinimum weight665 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail62.1064.12Headsail Luffed42.0542.05Headsail Flying101.97101.97SymmetricAsymmetric169.75169.75 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail16.55Storm Jib12.87Heavy Weather Jib34.75
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment161.1 kg·mStability Index127.4
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  03330002HBCIssued on 05/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

AVALANCHE

GBR 20

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG808.8682.6639.9619.7608.6602.3602.0
52°531.1464.4443.8433.1426.2421.4417.7
60°496.0447.2427.5415.5407.2401.0394.9
75°463.0431.5405.9389.8378.7370.5359.7
90°454.5415.8392.1373.0356.3343.9327.7
110°474.7420.9380.0351.8331.6315.3290.4
120°505.4436.2393.8356.5325.3301.9271.4
135°585.9465.9413.3368.9329.3297.7259.7
150°700.1550.4467.3417.3377.0336.7267.4
Run VMG808.4635.5539.6481.7435.3388.8308.7
Selected Courses
Windward / Leeward808.6659.1589.7550.7522.0495.6455.4
All purpose609.9515.0469.0440.0417.9399.3373.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward566.21.0597
All purpose450.01.3334
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9203
Downwind "popa"1.1673
70% up, 30% down "Ilhabela"0.9826
30% up, 70% down "Ilhabela-inverso"1.0803
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Predominantly Upwind495.21.2117
Predominantly Downwind448.91.3366
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low562.41.0668
Triple Number All Purpose Medium450.41.3322
Triple Number All Purpose High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Predominantly Upwind495.21.2117
Predominantly Downwind448.91.3366
Predominantly Upwind Low626.80.9572
Predominantly Upwind Medium520.31.1532
Predominantly Upwind High492.41.2184
Predominantly Downwind Low622.90.9632
Predominantly Downwind Medium448.41.3382
Predominantly Downwind High349.41.7171
Chicago-Mac Upwind1.1899
Chicago-Mac All Purpose1.2459
Chicago-Mac Downwind1.3079
Bayview-Mac Cove Island1.1742
Bayview-Mac Shore1.1795
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching419.51.4302
Predominantly Reaching Low505.31.1874
Predominantly Reaching Medium418.01.4354
Predominantly Reaching High357.21.6799
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low797.10.7527
5-Band Low / Medium677.60.8854
5-Band Medium556.81.0777
5-Band Medium / High497.91.2050
5-Band High462.31.2977
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance492.4
Triple Number Coastal/Long Distance Low562.4
Triple Number Coastal/Long Distance Medium450.4
Triple Number Coastal/Long Distance High394.1
Triple Number Windward/Leeward Low733.9
Triple Number Windward/Leeward Medium565.6
Triple Number Windward/Leeward High487.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0668
Triple Number Coastal/Long Distance Medium1.3322
Triple Number Coastal/Long Distance High1.5223
Triple Number Windward/Leeward Low0.8176
Triple Number Windward/Leeward Medium1.0609
Triple Number Windward/Leeward High1.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low562.4
Triple Number Coastal/Long Distance Medium450.4
Triple Number Coastal/Long Distance High394.1
Triple Number Windward/Leeward Low733.9
Triple Number Windward/Leeward Medium565.6
Triple Number Windward/Leeward High487.1
Predominantly Upwind495.2
Predominantly Downwind448.9
Predominantly Reaching428.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0668
Triple Number Coastal/Long Distance Medium1.3322
Triple Number Coastal/Long Distance High1.5223
Triple Number Windward/Leeward Low0.8176
Triple Number Windward/Leeward Medium1.0609
Triple Number Windward/Leeward High1.2318
Coastal/Long Distance1.2186
Predominantly Upwind1.2117
Predominantly Downwind1.3366
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0668
Tretall Distanseseilas Mellomvind1.3322
Tretall Distanseseilas Mye vind1.5223
Tretall Pølsebane Lite vind0.8176
Tretall Pølsebane Mellomvind1.0609
Tretall Pølsebane Mye vind1.2318
Distanseseilas ett tall (OSN 8-16kn)1.2186
Distanseseilas ett tall (APH 6-20kn)1.3334
Enkeltall Motvind1.2117
Enkeltall Medvind1.3366
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Coastal/Long Distance492.41.2186
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind495.21.2117
Predominantly Downwind448.91.3366
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore467.41.2836
Cape Doctor Coastal381.01.5749
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0668
Triple Number Coastal/Long Distance Medium1.3322
Triple Number Coastal/Long Distance High1.5223
Triple Number Windward/Leeward Low0.8176
Triple Number Windward/Leeward Medium1.0609
Triple Number Windward/Leeward High1.2318
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0668
Triple Number Coastal/Long Distance Medium1.3322
Triple Number Coastal/Long Distance High1.5223
Triple Number Windward/Leeward Low0.8176
Triple Number Windward/Leeward Medium1.0609
Triple Number Windward/Leeward High1.2318
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Predominantly Upwind495.21.2117
Predominantly Downwind448.91.3366
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance492.41.2186
Triple Number Coastal/Long Distance Low562.41.0668
Triple Number Coastal/Long Distance Medium450.41.3322
Triple Number Coastal/Long Distance High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance808.6619.7530.6473.9435.8402.0349.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low562.41.0668
Triple Number All Purpose Medium450.41.3322
Triple Number All Purpose High394.11.5223
Triple Number Windward/Leeward Low733.90.8176
Triple Number Windward/Leeward Medium565.61.0609
Triple Number Windward/Leeward High487.11.2318
Predominantly Upwind495.21.2117
Predominantly Downwind448.91.3366
Predominantly Upwind Low626.80.9572
Predominantly Upwind Medium520.31.1532
Predominantly Upwind High492.41.2184
Predominantly Downwind Low622.90.9632
Predominantly Downwind Medium448.41.3382
Predominantly Downwind High349.41.7171
Chicago-Mac Upwind1.1899
Chicago-Mac All Purpose1.2459
Chicago-Mac Downwind1.3079
Bayview-Mac Cove Island1.1742
Bayview-Mac Shore1.1795
Harvest Moon Regatta373.71.6054
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy474.11.2657
San Francisco Bay Medium551.81.0874
Predominantly Reaching419.51.4302
Predominantly Reaching Low505.31.1874
Predominantly Reaching Medium418.01.4354
Predominantly Reaching High357.21.6799
Windward/Leeward 60-40 Low736.20.8150
Windward/Leeward 60-40 Medium587.11.0220
Windward/Leeward 60-40 High526.81.1390
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low797.10.7527
5-Band Low / Medium677.60.8854
5-Band Medium556.81.0777
5-Band Medium / High497.91.2050
5-Band High462.31.2977
ORC Ref  03330002HBCIssued on 05/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

AVALANCHE

GBR 20

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSOTO 40Measurement05/05/2021HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.300Max. Beam3.796Draft2.609Displacement4,344Wetted area28.04IMS L12.157LSM011.948Acc. length12.337Sink (kg/mm) 22.42
VCGD-0.348VCGM-0.405RM Rated (kg·m) 161.1Limit of positive stability(°) 131.0Stability Index127.4
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.423PBW0.101PIPA0.0041
EDL0.760ST10.065ST20.180
ST30.180ST40.110ST50.315
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingYesFiber riggingYesRunners/Checkstays0Spreaders2Rotating mastNo
P16.304IG15.944ISP18.089MDT10.130MDL10.265MDT20.121MDL20.200TL2.050MW0.265GO0.295
E5.800J4.850BAS1.690FSD0.035SFJ0.350SPLWPLTPS6.450BD0.200MWT180.00MCG6.920
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date04/05/2021MeasurerCommentNo cushions
SFFP0.650FFM1.292FF1.297LCFcl6.934SG1.0050
SAFP12.335FAM0.890FA0.896LCFsh7.160HBI1.160
W1107.0W2107.0W3107.0W4107.0LCFD6.977
PD1290.1PD2287.8PD3288.3PD4289.1
WD5.474PLM9000.00GSA1.0RSA1.0RM159.7
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel Alloy Centerline0.900052408.450.00Total deductible368.450.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery12V AGM group 24 engine, centerline257.852Battery12V AGM group 24 house, centerline256.257EngineVOLVO D1 30 eeeeeeeDeck Gear4.85Total deductible0
ORC Ref  03330002HBCIssued on 05/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

AVALANCHE

GBR 20

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM11.552.022.773.934.9362.1020/04/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC650.061.653.216.128.269.5318.49NoYes0101.9720/04/202110.080.711.362.603.825.2916.06YesNo 42.0520/04/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA219.6117.4618.5410.9611.1199%169.7520/04/2021
ORC Ref  03330002HBCIssued on 05/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org