Club Certificate2026
Thetis-4JPN 380
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
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 Angles45.7°42.3°40.4°38.9°37.7°37.1°37.3°37.3°38.2°
Beat VMG2.633.724.505.045.325.455.545.615.58
52°4.125.676.687.207.487.617.697.787.80
60°4.536.066.997.437.667.817.898.018.03
75°4.926.407.257.687.928.068.198.388.47
90°4.946.437.317.788.108.368.558.798.98
110°4.496.257.357.928.318.598.819.289.80
120°4.356.147.287.888.338.769.149.6810.20
135°3.855.476.797.578.068.529.0110.1511.84
150°3.184.605.786.817.547.978.359.2110.52
Run VMG2.753.995.015.906.577.007.388.059.11
Gybe Angles139.3°142.7°146.9°148.7°153.0°157.1°161.0°160.0°142.4°
APH ToD:520.3CDL: 10.196APH ToT: 1.1531CertNo:260090
BOAT
ClassFirst40.7DesignerB.FARRBuilderBeneteauAge date09/2002Series date12/1997Offset fileFIRST407.offData fileJC260090
HULL
Length Overall11.924 mMaximum Beam3.770 mDraft2.424 mDisplacement7,366 kgDLR6.4738IMS DivisionCruiser/RacerDynamic Allowance0.150%Age Allowance0.650%RS Assessment-0.254%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.458m
CREW
Maximum weight560 kg(declared)Minimum weight430 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail48.3649.48Headsail Luffed38.2538.25Headsail Flying65.0165.01SymmetricAsymmetric145.68145.68 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail14.06Storm Jib12.33Heavy Weather Jib33.29
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 192.2 kg·m Stability Index 123.0
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  03390004JHI Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Thetis-4JPN 380
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
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 VMG1370.8968.0799.8714.9676.6660.1650.4641.2645.6
52°874.4635.2539.1500.3481.3473.3468.2462.5461.4
60°794.8594.0514.7484.3470.1461.2456.1449.6448.5
75°731.2562.4496.6468.9454.4446.9439.6429.8424.9
90°729.1559.7492.5462.8444.2430.5421.2409.5400.7
110°801.8576.0489.6454.4433.0419.3408.5387.8367.5
120°828.4586.6494.5456.9432.1411.1393.9371.8352.8
135°936.0658.4530.3475.4446.8422.6399.6354.7303.9
150°1132.6782.2622.8528.5477.4451.8431.0391.0342.4
Run VMG1307.8903.3719.1610.2548.1514.3487.9447.0395.3
Selected Courses
Windward / Leeward1339.3935.7759.5662.6612.3587.2569.2544.1520.5
All purpose1002.3715.7594.7534.8503.6485.8472.6452.4434.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward640.50.9367
All purpose520.31.1531
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance565.91.0602
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8217
Downwind "popa"0.9929
70% up, 30% down "Ilhabela"0.8666
30% up, 70% down "Ilhabela-inverso"0.9345
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Predominantly Upwind563.51.0647
Predominantly Downwind525.21.1424
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP541.31.1085 Predom. Rc High425.31.4107 5B SF Bay L/M695.20.8631 TriNum AP Low655.20.9158 Predom. Dn Low787.00.7624 5B SF Bay Med603.00.9950 TriNum AP Med517.21.1601 Predom. Dn L/M587.61.0211 5B SF Bay M/H554.41.0823 TriNum AP High468.41.2811 Predom. Dn Med508.71.1795 5B SF Bay High528.61.1350 TriNum W/L Low887.00.6764 Predom. Dn M/H460.21.3039 5B AP Low721.40.8317 TriNum W/L Med635.10.9448 Predom. Dn High426.71.4063 5B AP L/M577.91.0382 TriNum W/L Hig564.31.0633 ChiMac Up Low703.90.8524 5B AP Med510.81.1746 Predom. Upwind586.51.0230 ChiMac Up Med638.10.9403 5B AP M/H474.11.2657 Predom. Reaching514.21.1668 ChiMac Up High561.71.0681 5B AP High452.71.3253 Predom. Downwind547.71.0955 ChiMac Off Low681.00.8811 5B W/L Low992.50.6045 Predom. Up Low797.70.7522 ChiMac Off Med605.60.9907 5B W/L L/M729.50.8224 Predom. Up L/M613.30.9784 ChiMac Off High516.01.1629 5B W/L Med625.20.9597 Predom. Up Med547.31.0962 ChiMac AP Low688.50.8715 5B W/L M/H571.61.0496 Predom. Up M/H515.01.1650 ChiMac AP Med619.10.9691 5B W/L High544.41.1022 Predom. Up High499.51.2012 ChiMac AP High537.41.1166 W/L 60-40 Low999.40.6004 Predom. Rc Low696.80.8611 BayMac Cove Island791.40.7581 W/L 60-40 L/M738.90.8120 Predom. Rc L/M541.41.1082 BayMac Shore784.70.7646 W/L 60-40 Med637.80.9408 Predom. Rc Med483.71.2405 Harvest Moon459.41.3059 W/L 60-40 M/H587.81.0207 Predom. Rc M/H448.51.3377 5B SF Bay Low837.80.7162 W/L 60-40 High564.21.0634      SA/DSPL Up22.73SA/DSPL Dn50.92
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance565.91.0602
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance565.91.0602
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance565.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating565.91.0602
FinRating, kevyt tuuli973.61.0271
FinRating, kova tuuli455.81.0969
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0602
Triple Number Coastal/Long Distance Low0.9158
Triple Number Coastal/Long Distance Medium1.1602
Triple Number Coastal/Long Distance High1.2811
Triple Number Windward/Leeward Low0.7079
Triple Number Windward/Leeward Medium0.9448
Triple Number Windward/Leeward High1.0633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
For information
General Purpose Handicap (GPH)581.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance565.91.0602
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Saronikos S All Purpose594.21.0097
Saronikos S Upwind664.20.9033
Saronikos S Downwind505.11.1878
Saronikos N All Purpose617.40.9718
Saronikos N Upwind690.30.8692
Saronikos N Downwind542.21.1065
Saronikos SW All Purpose593.81.0104
Saronikos SW Upwind679.20.8833
Saronikos SW Downwind505.11.1879
Saronikos NE All Purpose635.60.9440
Saronikos NE Upwind644.00.9317
Saronikos NE Downwind604.00.9933
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose541.31.1085
5-Band All Purpose Low787.40.7620
5-Band All Purpose L/M598.51.0026
5-Band All Purpose Med526.91.1386
5-Band All Purpose M/H487.01.2320
5-Band All Purpose High463.11.2955
Single Number Predominant Upwind562.51.0666
Single Number Predominant Reaching495.91.2100
Single Number Predominant Downwind525.81.1411
5-Band 50-50 Windward/Leeward Low992.50.6045
5-Band 50-50 Windward/Leeward L/M729.50.8224
5-Band 50-50 Windward/Leeward Med625.20.9597
5-Band 50-50 Windward/Leeward M/H571.61.0496
5-Band 50-50 Windward/Leeward High544.41.1022
5-Band 60-40 Windward/Leeward Low999.40.6004
5-Band 60-40 Windward/Leeward L/M738.90.8120
5-Band 60-40 Windward/Leeward Med637.80.9408
5-Band 60-40 Windward/Leeward M/H587.81.0207
5-Band 60-40 Windward/Leeward High564.21.0634
Triple Number 50-50 Windward/Leeward Low887.00.6764
Triple Number 50-50 Windward/Leeward Med635.10.9447
Triple Number 50-50 Windward/Leeward High564.31.0633
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward653.10.9187
Triple Number 60-40 Windward/Leeward Low894.50.6708
Triple Number 60-40 Windward/Leeward Med647.20.9270
Triple Number 60-40 Windward/Leeward High581.31.0321
Triple Number All-Purpose Low710.50.8445
Triple Number All-Purpose Med533.81.1240
Triple Number All-Purpose High480.71.2482
Triple Number Predominant Upwind Low727.40.8248
Triple Number Predominant Upwind Med555.61.0800
Triple Number Predominant Upwind High515.61.1637
Triple Number Predominant Reaching Low637.70.9408
Triple Number Predominant Reaching Med497.61.2057
Triple Number Predominant Reaching High434.11.3822
Triple Number Predominant Downwind Low705.60.8503
Triple Number Predominant Downwind Med516.91.1607
Triple Number Predominant Downwind High443.11.3542
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance565.91.0602
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance565.91.0602
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low655.2
Triple Number Coastal/Long Distance Medium517.2
Triple Number Coastal/Long Distance High468.3
Triple Number Windward/Leeward Low847.6
Triple Number Windward/Leeward Medium635.1
Triple Number Windward/Leeward High564.3
Predominantly Upwind563.5
Predominantly Downwind525.2
Predominantly Reaching503.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance565.91.0602
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9158
Triple Number Coastal/Long Distance Medium1.1602
Triple Number Coastal/Long Distance High1.2811
Triple Number Windward/Leeward Low0.7079
Triple Number Windward/Leeward Medium0.9448
Triple Number Windward/Leeward High1.0633
Coastal/Long Distance1.0602
Predominantly Upwind1.0647
Predominantly Downwind1.1424
For information
General Purpose Handicap (GPH)581.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1531
Distanseseilas Trippeltall svak vind0.9158
Distanseseilas Trippeltall mellomvind1.1602
Distanseseilas Trippeltall sterk vind1.2811
Pølsebane Trippeltall svak vind0.7079
Pølsebane Trippeltall mellomvind0.9448
Pølsebane Trippeltall sterk vind1.0633
Motvind Singeltall1.0647
Medvind Singeltall1.1424
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Coastal/Long Distance565.91.0602
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind563.51.0647
Predominantly Downwind525.21.1424
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore527.61.1373
Cape Doctor Coastal439.51.3651
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9158
Triple Number Coastal/Long Distance Medium1.1602
Triple Number Coastal/Long Distance High1.2811
Triple Number Windward/Leeward Low0.7079
Triple Number Windward/Leeward Medium0.9448
Triple Number Windward/Leeward High1.0633
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9158
Triple Number Coastal/Long Distance Medium1.1602
Triple Number Coastal/Long Distance High1.2811
Triple Number Windward/Leeward Low0.7079
Triple Number Windward/Leeward Medium0.9448
Triple Number Windward/Leeward High1.0633
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance565.91.0602
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Predominantly Upwind563.51.0647
Predominantly Downwind525.21.1424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance565.91.0602
Triple Number Coastal/Long Distance Low655.20.9158
Triple Number Coastal/Long Distance Medium517.21.1602
Triple Number Coastal/Long Distance High468.31.2811
Triple Number Windward/Leeward Low847.60.7079
Triple Number Windward/Leeward Medium635.10.9448
Triple Number Windward/Leeward High564.31.0633
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1336.1932.4713.8599.7536.6503.6476.7435.2418.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP541.31.1085 Predom. Dn High426.71.4063 5B AP M/H474.11.2657 TriNum AP Low655.20.9158 Predom. Rc Low696.80.8611 5B AP High452.71.3253 TriNum AP Med517.21.1601 Predom. Rc L/M541.41.1082 5B SF Bay Low837.80.7162 TriNum AP High468.41.2811 Predom. Rc Med483.71.2405 5B SF Bay L/M695.20.8631 TriNum W/L Low887.00.6764 Predom. Rc M/H448.51.3377 5B SF Bay Med603.00.9950 TriNum W/L Med635.10.9448 Predom. Rc High425.31.4107 5B SF Bay M/H554.41.0823 TriNum W/L Hig564.31.0633 5B W/L Low992.50.6045 5B SF Bay High528.61.1350 Predom. Upwind586.51.0230 5B W/L L/M729.50.8224 ChiMac Up Low703.90.8524 Predom. Reaching514.21.1668 5B W/L Med625.20.9597 ChiMac Up Med638.10.9403 Predom. Downwind547.71.0955 5B W/L M/H571.61.0496 ChiMac Up High561.71.0681 Predom. Up Low797.70.7522 5B W/L High544.41.1022 ChiMac Off Low681.00.8811 Predom. Up L/M613.30.9784 W/L 60-40 Low999.40.6004 ChiMac Off Med605.60.9907 Predom. Up Med547.31.0962 W/L 60-40 L/M738.90.8120 ChiMac Off High516.01.1629 Predom. Up M/H515.01.1650 W/L 60-40 Med637.80.9408 ChiMac AP Low688.50.8715 Predom. Up High499.51.2012 W/L 60-40 M/H587.81.0207 ChiMac AP Med619.10.9691 Predom. Dn Low787.00.7624 W/L 60-40 High564.21.0634 ChiMac AP High537.41.1166 Predom. Dn L/M587.61.0211 5B AP Low721.40.8317 BayMac Cove Island791.40.7581 Predom. Dn Med508.71.1795 5B AP L/M577.91.0382 BayMac Shore784.70.7646 Predom. Dn M/H460.21.3039 5B AP Med510.81.1746 Harvest Moon459.41.3059      SA/DSPL Up22.73SA/DSPL Dn50.92
ORC Ref  03390004JHI Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Thetis-4JPN 380
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFirst40.7MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.924Maximum beam3.770Draft2.424Displacement7,366Wetted area30.57IMS L10.649LSM010.439Accomod. length11.924Sink (kg/mm) 23.05
VCGD-0.056VCGM-0.022 RM Rated (kg·m) 192.2Limit of positive stability(°) 119.9 Stability Index 123.0 BLR index 0.0000Default crew weight732 Declared crew weight 560
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.458PBWPIPA0.0008
EDLST1ST2
ST3ST4ST5
RIG
BackstayAdjustable (NMP)ForestayFixedInner forestayNot installedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders3Rotating mastNo
P14.887IG15.702ISP16.600MDT10.117MDL10.215MDT2MDL2TLTaperMWGO
E5.396J4.410BAS1.724FSDFoilSFJSPLWPLTPS5.340BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date29/03/2022
SFFP0.292FFMFF1.447LCFcl6.733SG
SAFP11.313FAMFA1.033LCFsh6.980HBI1.242
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03390004JHI Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Thetis-4JPN 380
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.191.192.073.544.5648.36
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment30.051.112.214.265.917.0416.53NoYes065.0107/01/202410.130.741.382.483.524.6215.78YesNo 38.25
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment119.3114.8217.0710.2410.26100%145.6826/02/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsYes
CRUISER/RACER REQUIREMENTS*
Accommodation length11.9 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity148 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity88 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03390004JHI Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org