Non Spin/HSFClub Certificate2026
MuskratUSA 93300
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 Angles44.9°42.0°39.8°37.0°35.7°35.2°34.9°34.7°35.2°
Beat VMG2.773.894.705.215.415.525.595.675.66
52°4.325.856.797.217.397.507.577.677.71
60°4.626.126.967.367.587.707.787.927.98
75°4.836.287.077.487.798.008.138.358.48
90°4.686.137.007.477.848.178.438.809.10
110°3.995.456.467.177.658.108.539.4510.16
120°3.505.026.186.987.487.938.409.5210.95
135°2.944.365.526.457.097.547.978.9210.36
150°2.423.654.735.656.386.957.358.078.96
Run VMG2.103.164.104.895.676.396.957.758.55
Gybe Angles139.4°143.9°146.0°146.9°169.9°171.4°173.6°174.3°173.2°
APH ToD:551.6CDL: 9.877APH ToT: 1.0878CertNo:US6511
BOAT
ClassJ 105 ModDesignerJohnstoneBuilderTPIAge date01/1995Series date01/1995Offset filej105-USA93300.offData fileUS6511
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.161 mDisplacement3,633 kgDLR4.4814IMS DivisionPerformanceDynamic Allowance0.090%Age Allowance0.650%RS Assessment-0.254%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.375m
CREW
Maximum weight820 kg(declared)Minimum weight690 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.4535.99Headsail Luffed39.9139.91Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail10.46Storm Jib8.26Heavy Weather Jib22.29
SAIL LIMITS
Headsails6
✱ Zero set flying
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting Moment 87.1 kg·m Stability Index 103.8
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  04560004V94 Issued on 15/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MuskratUSA 93300
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 VMG1299.7926.6765.2691.3665.1651.8643.8634.7635.9
52°834.2615.5530.4499.3486.9480.1475.7469.2466.8
60°779.4587.9517.0489.1475.0467.6462.5454.7451.1
75°745.2573.2509.4481.1462.1449.7442.7431.3424.6
90°769.2586.9514.5482.1459.3440.8427.1408.9395.4
110°903.2661.0556.9501.9470.7444.6422.2381.0354.4
120°1029.1717.1582.7515.9481.5454.0428.8378.1328.6
135°1224.7826.2651.9558.1507.6477.6451.8403.6347.5
150°1484.6986.3760.9637.5564.5518.0489.8445.9401.7
Run VMG1714.31138.8878.6736.1634.5563.0517.7464.5420.9
Selected Courses
Windward / Leeward1507.01032.7821.9713.7649.8607.4580.7549.6528.4
All purpose1113.4783.9642.4572.1533.4507.8490.0463.4442.1
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward678.50.8843
All purpose551.61.0878
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance602.50.9958
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8436
Downwind "popa"0.8514
70% up, 30% down "Ilhabela"0.8459
30% up, 70% down "Ilhabela-inverso"0.8490
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Predominantly Upwind578.31.0375
Predominantly Downwind583.01.0291
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP573.91.0455 Predom. Rc High441.11.3602 5B SF Bay L/M744.60.8058 TriNum AP Low713.10.8413 Predom. Dn Low931.50.6441 5B SF Bay Med636.00.9435 TriNum AP Med549.01.0928 Predom. Dn L/M671.20.8939 5B SF Bay M/H571.71.0494 TriNum AP High484.51.2385 Predom. Dn Med561.41.0688 5B SF Bay High540.21.1107 TriNum W/L Low974.50.6157 Predom. Dn M/H490.71.2228 5B AP Low807.30.7433 TriNum W/L Med674.80.8891 Predom. Dn High450.01.3333 5B AP L/M622.40.9641 TriNum W/L Hig575.81.0421 ChiMac Up Low722.50.8304 5B AP Med541.01.1091 Predom. Upwind600.50.9992 ChiMac Up Med653.90.9176 5B AP M/H492.21.2191 Predom. Reaching551.41.0882 ChiMac Up High573.61.0460 5B AP High464.31.2923 Predom. Downwind612.80.9791 ChiMac Off Low791.50.7580 5B W/L Low1098.60.5461 Predom. Up Low820.70.7311 ChiMac Off Med690.50.8689 5B W/L L/M789.40.7601 Predom. Up L/M628.90.9540 ChiMac Off High570.51.0517 5B W/L Med661.90.9065 Predom. Up Med560.61.0702 ChiMac AP Low751.20.7987 5B W/L M/H585.81.0243 Predom. Up M/H524.71.1435 ChiMac AP Med668.00.8982 5B W/L High551.31.0882 Predom. Up High506.51.1847 ChiMac AP High569.41.0537 W/L 60-40 Low1074.80.5582 Predom. Rc Low773.10.7761 BayMac Cove Island870.40.6893 W/L 60-40 L/M781.10.7681 Predom. Rc L/M587.51.0213 BayMac Shore859.10.6984 W/L 60-40 Med664.20.9033 Predom. Rc Med514.81.1654 Harvest Moon490.81.2225 W/L 60-40 M/H597.71.0038 Predom. Rc M/H469.31.2786 5B SF Bay Low906.90.6616 W/L 60-40 High568.41.0556      SA/DSPL Up31.75SA/DSPL Dn31.75
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance602.50.9958
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance602.50.9958
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance602.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating602.50.9958
FinRating, kevyt tuuli1086.10.9207
FinRating, kova tuuli466.41.0719
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9958
Triple Number Coastal/Long Distance Low0.8413
Triple Number Coastal/Long Distance Medium1.0929
Triple Number Coastal/Long Distance High1.2385
Triple Number Windward/Leeward Low0.6470
Triple Number Windward/Leeward Medium0.8891
Triple Number Windward/Leeward High1.0421
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
For information
General Purpose Handicap (GPH)620.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance602.50.9958
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Saronikos S All Purpose610.20.9832
Saronikos S Upwind653.40.9183
Saronikos S Downwind573.01.0472
Saronikos N All Purpose647.90.9261
Saronikos N Upwind680.60.8816
Saronikos N Downwind634.30.9460
Saronikos SW All Purpose617.10.9723
Saronikos SW Upwind669.50.8962
Saronikos SW Downwind582.51.0301
Saronikos NE All Purpose682.50.8791
Saronikos NE Upwind642.70.9335
Saronikos NE Downwind718.00.8357
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose573.91.0455
5-Band All Purpose Low868.50.6908
5-Band All Purpose L/M646.60.9279
5-Band All Purpose Med558.91.0736
5-Band All Purpose M/H505.91.1859
5-Band All Purpose High476.91.2581
Single Number Predominant Upwind576.01.0417
Single Number Predominant Reaching530.21.1316
Single Number Predominant Downwind584.61.0263
5-Band 50-50 Windward/Leeward Low1098.60.5461
5-Band 50-50 Windward/Leeward L/M789.40.7601
5-Band 50-50 Windward/Leeward Med661.90.9065
5-Band 50-50 Windward/Leeward M/H585.81.0243
5-Band 50-50 Windward/Leeward High551.31.0882
5-Band 60-40 Windward/Leeward Low1074.80.5582
5-Band 60-40 Windward/Leeward L/M781.10.7681
5-Band 60-40 Windward/Leeward Med664.20.9033
5-Band 60-40 Windward/Leeward M/H597.71.0038
5-Band 60-40 Windward/Leeward High568.41.0556
Triple Number 50-50 Windward/Leeward Low974.50.6157
Triple Number 50-50 Windward/Leeward Med674.90.8890
Triple Number 50-50 Windward/Leeward High575.71.0421
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward680.20.8820
Triple Number 60-40 Windward/Leeward Low956.40.6274
Triple Number 60-40 Windward/Leeward Med675.70.8879
Triple Number 60-40 Windward/Leeward High589.11.0186
Triple Number All-Purpose Low778.50.7707
Triple Number All-Purpose Med567.71.0568
Triple Number All-Purpose High497.91.2050
Triple Number Predominant Upwind Low753.00.7968
Triple Number Predominant Upwind Med569.71.0532
Triple Number Predominant Upwind High522.11.1491
Triple Number Predominant Reaching Low700.90.8561
Triple Number Predominant Reaching Med529.61.1330
Triple Number Predominant Reaching High453.91.3218
Triple Number Predominant Downwind Low822.90.7291
Triple Number Predominant Downwind Med577.21.0396
Triple Number Predominant Downwind High474.01.2658
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance602.50.9958
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance602.50.9958
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low713.2
Triple Number Coastal/Long Distance Medium549.0
Triple Number Coastal/Long Distance High484.5
Triple Number Windward/Leeward Low927.4
Triple Number Windward/Leeward Medium674.8
Triple Number Windward/Leeward High575.8
Predominantly Upwind578.3
Predominantly Downwind583.0
Predominantly Reaching546.7
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance602.50.9958
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8413
Triple Number Coastal/Long Distance Medium1.0929
Triple Number Coastal/Long Distance High1.2385
Triple Number Windward/Leeward Low0.6470
Triple Number Windward/Leeward Medium0.8891
Triple Number Windward/Leeward High1.0421
Coastal/Long Distance0.9958
Predominantly Upwind1.0375
Predominantly Downwind1.0291
For information
General Purpose Handicap (GPH)620.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0878
Distanseseilas Trippeltall svak vind0.8413
Distanseseilas Trippeltall mellomvind1.0929
Distanseseilas Trippeltall sterk vind1.2385
Pølsebane Trippeltall svak vind0.6470
Pølsebane Trippeltall mellomvind0.8891
Pølsebane Trippeltall sterk vind1.0421
Motvind Singeltall1.0375
Medvind Singeltall1.0291
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Coastal/Long Distance602.50.9958
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind578.31.0375
Predominantly Downwind583.01.0291
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore534.81.1220
Cape Doctor Coastal448.51.3379
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8413
Triple Number Coastal/Long Distance Medium1.0929
Triple Number Coastal/Long Distance High1.2385
Triple Number Windward/Leeward Low0.6470
Triple Number Windward/Leeward Medium0.8891
Triple Number Windward/Leeward High1.0421
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8413
Triple Number Coastal/Long Distance Medium1.0929
Triple Number Coastal/Long Distance High1.2385
Triple Number Windward/Leeward Low0.6470
Triple Number Windward/Leeward Medium0.8891
Triple Number Windward/Leeward High1.0421
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance602.50.9958
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Predominantly Upwind578.31.0375
Predominantly Downwind583.01.0291
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance602.50.9958
Triple Number Coastal/Long Distance Low713.20.8413
Triple Number Coastal/Long Distance Medium549.01.0929
Triple Number Coastal/Long Distance High484.51.2385
Triple Number Windward/Leeward Low927.40.6470
Triple Number Windward/Leeward Medium674.80.8891
Triple Number Windward/Leeward High575.81.0421
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.71043.3776.3644.8568.8527.4496.3444.5419.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP573.91.0455 Predom. Dn High450.01.3333 5B AP M/H492.21.2191 TriNum AP Low713.10.8413 Predom. Rc Low773.10.7761 5B AP High464.31.2923 TriNum AP Med549.01.0928 Predom. Rc L/M587.51.0213 5B SF Bay Low906.90.6616 TriNum AP High484.51.2385 Predom. Rc Med514.81.1654 5B SF Bay L/M744.60.8058 TriNum W/L Low974.50.6157 Predom. Rc M/H469.31.2786 5B SF Bay Med636.00.9435 TriNum W/L Med674.80.8891 Predom. Rc High441.11.3602 5B SF Bay M/H571.71.0494 TriNum W/L Hig575.81.0421 5B W/L Low1098.60.5461 5B SF Bay High540.21.1107 Predom. Upwind600.50.9992 5B W/L L/M789.40.7601 ChiMac Up Low722.50.8304 Predom. Reaching551.41.0882 5B W/L Med661.90.9065 ChiMac Up Med653.90.9176 Predom. Downwind612.80.9791 5B W/L M/H585.81.0243 ChiMac Up High573.61.0460 Predom. Up Low820.70.7311 5B W/L High551.31.0882 ChiMac Off Low791.50.7580 Predom. Up L/M628.90.9540 W/L 60-40 Low1074.80.5582 ChiMac Off Med690.50.8689 Predom. Up Med560.61.0702 W/L 60-40 L/M781.10.7681 ChiMac Off High570.51.0517 Predom. Up M/H524.71.1435 W/L 60-40 Med664.20.9033 ChiMac AP Low751.20.7987 Predom. Up High506.51.1847 W/L 60-40 M/H597.71.0038 ChiMac AP Med668.00.8982 Predom. Dn Low931.50.6441 W/L 60-40 High568.41.0556 ChiMac AP High569.41.0537 Predom. Dn L/M671.20.8939 5B AP Low807.30.7433 BayMac Cove Island870.40.6893 Predom. Dn Med561.41.0688 5B AP L/M622.40.9641 BayMac Shore859.10.6984 Predom. Dn M/H490.71.2228 5B AP Med541.01.1091 Harvest Moon490.81.2225      SA/DSPL Up31.75SA/DSPL Dn31.75
ORC Ref  04560004V94 Issued on 15/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MuskratUSA 93300
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105 ModMeasurement26/02/2020HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall10.570Maximum beam3.344Draft2.161Displacement3,633Wetted area21.55IMS L9.672LSM09.324Accomod. length10.570Sink (kg/mm) 16.64
VCGD0.028VCGM0.022 RM Rated (kg·m) 87.1Limit of positive stability(°) 107.5 Stability Index 103.8 BLR index 0.0000Default crew weight623 Declared crew weight 820
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.375PBW0.096PIPA0.0038
PSD0.025PHD0.049PHL0.136
PSA21.0°ESL0.920
ST10.022ST20.085ST30.085
ST40.047ST50.190
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders2Rotating mastNo
P14.005IG12.832ISP12.890MDT10.108MDL10.160MDT20.105MDL20.110TL2.060MW0.185GO0.190
E4.265J4.135BAS1.567FSD0.031SFJSPL0.000WPLTPS5.790BD0.126MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date26/02/2020
SFFP0.966FFM1.081FF1.103LCFcl5.818SG1.0070
SAFP10.056FAM0.783FA0.776LCFsh6.058HBI0.937
W169.3W269.3W369.3W469.3LCFD4.500
PD1259.2PD2259.2PD3259.2PD4259.2
WD4.103PLM9000.00GSA1.0RSA1.0RM86.4
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGFuel450.000.00Total deductible380.000.00
Total deductible
ORC Ref  04560004V94 Issued on 15/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MuskratUSA 93300
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn-250.070.871.602.753.5935.4520/03/2025159067-001
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentAP Genoa0.080.801.513.064.686.2912.82NoNo 39.9114/05/2026OUS151513-001Jib0.050.561.042.063.114.1712.90YesNo 26.8630/01/202061018378-01
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004V94 Issued on 15/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org