Club Certificate2026
Team ChangwonKOR2013
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
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 Angles45.6°43.2°40.5°38.5°37.1°37.0°36.8°37.1°38.6°
Beat VMG2.423.454.204.704.955.055.115.155.06
52°3.785.246.166.656.897.017.087.167.15
60°4.065.526.386.817.077.227.317.427.44
75°4.255.696.536.957.277.537.707.897.99
90°4.195.836.737.127.367.667.968.428.69
110°4.305.956.897.447.898.248.559.189.73
120°4.165.806.817.387.948.499.049.9210.83
135°3.675.236.377.047.588.188.9010.7613.23
150°3.044.405.536.447.017.477.959.3512.41
Run VMG2.633.814.795.586.116.536.928.1010.75
Gybe Angles139.3°142.9°147.1°150.8°153.9°157.7°156.5°144.1°143.5°
APH ToD:557.3CDL: 8.561APH ToT: 1.0767CertNo:08/26
BOAT
ClassYamaha 31 FestaDesignerYamahaBuilderYamahaAge date01/1997Series date11/1995Offset fileJCBYM31F.OFFData fileKOR2013
HULL
Length Overall9.500Maximum Beam2.852Draft1.834Displacement2,632DLR4.4521IMS DivisionCruiser/RacerDynamic Allowance0.170%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight536(default)Minimum weight406 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.1629.74Headsail Luffed20.4820.48Headsail FlyingSymmetricAsymmetric79.0479.04 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail8.78Storm Jib6.57Heavy Weather Jib17.73
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 60.1 Stability Index 117.0
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  04550004B45 Issued on 11/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Team ChangwonKOR2013
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
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 VMG1489.81044.6857.9766.0727.6712.4703.8699.0711.5
52°951.9686.4584.4541.2522.4513.8508.3502.9503.3
60°887.5652.6564.6528.5509.1498.6492.3485.0483.6
75°846.8633.1551.7517.9495.0478.2467.7456.1450.6
90°858.6617.9534.9505.6489.4470.1452.0427.8414.5
110°837.9605.3522.7483.9456.2437.1420.9392.1370.0
120°866.3620.4529.0487.5453.6424.2398.1362.8332.6
135°979.6688.6565.0511.6474.7440.2404.5334.5272.2
150°1185.5818.4651.1559.3513.5481.8452.6385.0290.1
Run VMG1368.9945.0751.8645.3588.8551.6520.3444.6335.0
Selected Courses
Windward / Leeward1429.3994.8804.9705.7658.2632.0612.0571.8523.3
All purpose1083.6766.7636.8574.5541.7520.1502.5471.5441.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward685.00.8759
All purpose557.31.0767
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.60.9924
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7621
Downwind "popa"0.9444
70% up, 30% down "Ilhabela"0.8089
30% up, 70% down "Ilhabela-inverso"0.8811
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Predominantly Upwind607.00.9884
Predominantly Downwind560.11.0712
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP578.81.0366 Predom. Rc High439.31.3659 5B SF Bay L/M741.00.8097 TriNum AP Low701.80.8550 Predom. Dn Low836.50.7172 5B SF Bay Med645.80.9290 TriNum AP Med555.21.0806 Predom. Dn L/M626.80.9573 5B SF Bay M/H591.91.0137 TriNum AP High495.31.2115 Predom. Dn Med544.71.1015 5B SF Bay High553.91.0833 TriNum W/L Low942.90.6364 Predom. Dn M/H484.21.2392 5B AP Low775.30.7739 TriNum W/L Med679.70.8828 Predom. Dn High430.61.3934 5B AP L/M619.90.9678 TriNum W/L Hig601.90.9968 ChiMac Up Low759.40.7901 5B AP Med548.21.0945 Predom. Upwind631.70.9498 ChiMac Up Med687.90.8722 5B AP M/H503.51.1916 Predom. Reaching552.21.0867 ChiMac Up High603.50.9941 5B AP High471.71.2720 Predom. Downwind581.41.0320 ChiMac Off Low725.70.8268 5B W/L Low1055.90.5682 Predom. Up Low861.40.6965 ChiMac Off Med645.20.9299 5B W/L L/M776.20.7730 Predom. Up L/M659.90.9092 ChiMac Off High544.91.1010 5B W/L Med670.00.8955 Predom. Up Med590.21.0165 ChiMac AP Low739.40.8114 5B W/L M/H612.50.9797 Predom. Up M/H553.41.0842 ChiMac AP Med664.50.9029 5B W/L High570.41.0520 Predom. Up High532.41.1269 ChiMac AP High573.11.0469 W/L 60-40 Low1066.60.5625 Predom. Rc Low754.20.7956 BayMac Cove Island848.30.7073 W/L 60-40 L/M787.70.7617 Predom. Rc L/M583.41.0284 BayMac Shore842.40.7123 W/L 60-40 Med684.10.8771 Predom. Rc Med521.71.1501 Harvest Moon486.81.2326 W/L 60-40 M/H631.30.9505 Predom. Rc M/H475.61.2616 5B SF Bay Low892.30.6724 W/L 60-40 High596.71.0056      SA/DSPL Up25.95SA/DSPL Dn56.57
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.60.9924
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.60.9924
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance604.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating604.60.9924
FinRating, kevyt tuuli1038.70.9627
FinRating, kova tuuli471.81.0597
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9924
Triple Number Coastal/Long Distance Low0.8550
Triple Number Coastal/Long Distance Medium1.0807
Triple Number Coastal/Long Distance High1.2115
Triple Number Windward/Leeward Low0.6668
Triple Number Windward/Leeward Medium0.8828
Triple Number Windward/Leeward High0.9968
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
For information
General Purpose Handicap (GPH)622.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.60.9924
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Saronikos S All_Purpose631.90.9496
Saronikos S Upwind720.20.8331
Saronikos S Downwind521.31.1510
Saronikos N All_Purpose631.90.9496
Saronikos N Upwind752.50.7973
Saronikos N Downwind572.51.0481
Saronikos SW All_Purpose632.20.9490
Saronikos SW Upwind739.20.8117
Saronikos SW Downwind524.31.1443
Saronikos NE All_Purpose684.20.8770
Saronikos NE Upwind707.10.8485
Saronikos NE Downwind635.20.9446
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose578.81.0366
5-Band All-Purpose Low845.40.7097
5-Band All-Purpose L/M641.70.9350
5-Band All-Purpose Med566.81.0585
5-Band All-Purpose M/H518.61.1569
5-Band All-Purpose High482.01.2448
Single Number Predominant Upwind605.90.9902
Single Number Predominant Reaching533.31.1251
Single Number Predominant Downwind561.01.0694
5-Band 50-50 Windward/Leeward Low1055.90.5682
5-Band 50-50 Windward/Leeward L/M776.20.7730
5-Band 50-50 Windward/Leeward Med670.00.8955
5-Band 50-50 Windward/Leeward M/H612.50.9797
5-Band 50-50 Windward/Leeward High570.41.0520
5-Band 60-40 Windward/Leeward Low1066.60.5625
5-Band 60-40 Windward/Leeward L/M787.70.7617
5-Band 60-40 Windward/Leeward Med684.10.8771
5-Band 60-40 Windward/Leeward M/H631.30.9505
5-Band 60-40 Windward/Leeward High596.71.0056
Triple Number 50-50 Windward/Leeward Low942.90.6364
Triple Number 50-50 Windward/Leeward Med679.80.8827
Triple Number 50-50 Windward/Leeward High601.90.9968
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward699.50.8578
Triple Number 60-40 Windward/Leeward Low953.50.6293
Triple Number 60-40 Windward/Leeward Med693.30.8654
Triple Number 60-40 Windward/Leeward High622.40.9640
Triple Number All-Purpose Low761.40.7880
Triple Number All-Purpose Med574.21.0449
Triple Number All-Purpose High509.21.1783
Triple Number Predominant Upwind Low784.30.7650
Triple Number Predominant Upwind Med598.91.0018
Triple Number Predominant Upwind High554.51.0820
Triple Number Predominant Reaching Low687.70.8725
Triple Number Predominant Reaching Med537.01.1173
Triple Number Predominant Reaching High456.91.3132
Triple Number Predominant Downwind Low750.50.7994
Triple Number Predominant Downwind Med553.61.0838
Triple Number Predominant Downwind High460.01.3042
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.60.9924
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.60.9924
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low701.8
Triple Number Coastal/Long Distance Medium555.2
Triple Number Coastal/Long Distance High495.3
Triple Number Windward/Leeward Low899.8
Triple Number Windward/Leeward Medium679.7
Triple Number Windward/Leeward High601.9
Predominantly Upwind607.0
Predominantly Downwind560.1
Predominantly Reaching539.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.60.9924
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8550
Triple Number Coastal/Long Distance Medium1.0807
Triple Number Coastal/Long Distance High1.2115
Triple Number Windward/Leeward Low0.6668
Triple Number Windward/Leeward Medium0.8828
Triple Number Windward/Leeward High0.9968
Coastal/Long Distance0.9924
Predominantly Upwind0.9884
Predominantly Downwind1.0712
For information
General Purpose Handicap (GPH)622.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0767
Distanseseilas Trippeltall svak vind0.8550
Distanseseilas Trippeltall mellomvind1.0807
Distanseseilas Trippeltall sterk vind1.2115
Pølsebane Trippeltall svak vind0.6668
Pølsebane Trippeltall mellomvind0.8828
Pølsebane Trippeltall sterk vind0.9968
Motvind Singeltall0.9884
Medvind Singeltall1.0712
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Coastal/Long Distance604.60.9924
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind607.00.9884
Predominantly Downwind560.11.0712
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore537.81.1156
Cape Doctor Coastal450.71.3313
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8550
Triple Number Coastal/Long Distance Medium1.0807
Triple Number Coastal/Long Distance High1.2115
Triple Number Windward/Leeward Low0.6668
Triple Number Windward/Leeward Medium0.8828
Triple Number Windward/Leeward High0.9968
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8550
Triple Number Coastal/Long Distance Medium1.0807
Triple Number Coastal/Long Distance High1.2115
Triple Number Windward/Leeward Low0.6668
Triple Number Windward/Leeward Medium0.8828
Triple Number Windward/Leeward High0.9968
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.60.9924
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Predominantly Upwind607.00.9884
Predominantly Downwind560.11.0712
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance604.60.9924
Triple Number Coastal/Long Distance Low701.80.8550
Triple Number Coastal/Long Distance Medium555.21.0807
Triple Number Coastal/Long Distance High495.31.2115
Triple Number Windward/Leeward Low899.80.6668
Triple Number Windward/Leeward Medium679.70.8828
Triple Number Windward/Leeward High601.90.9968
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1423.3989.8757.9641.0577.0539.6506.6450.4420.6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP578.81.0366 Predom. Dn High430.61.3934 5B AP M/H503.51.1916 TriNum AP Low701.80.8550 Predom. Rc Low754.20.7956 5B AP High471.71.2720 TriNum AP Med555.21.0806 Predom. Rc L/M583.41.0284 5B SF Bay Low892.30.6724 TriNum AP High495.31.2115 Predom. Rc Med521.71.1501 5B SF Bay L/M741.00.8097 TriNum W/L Low942.90.6364 Predom. Rc M/H475.61.2616 5B SF Bay Med645.80.9290 TriNum W/L Med679.70.8828 Predom. Rc High439.31.3659 5B SF Bay M/H591.91.0137 TriNum W/L Hig601.90.9968 5B W/L Low1055.90.5682 5B SF Bay High553.91.0833 Predom. Upwind631.70.9498 5B W/L L/M776.20.7730 ChiMac Up Low759.40.7901 Predom. Reaching552.21.0867 5B W/L Med670.00.8955 ChiMac Up Med687.90.8722 Predom. Downwind581.41.0320 5B W/L M/H612.50.9797 ChiMac Up High603.50.9941 Predom. Up Low861.40.6965 5B W/L High570.41.0520 ChiMac Off Low725.70.8268 Predom. Up L/M659.90.9092 W/L 60-40 Low1066.60.5625 ChiMac Off Med645.20.9299 Predom. Up Med590.21.0165 W/L 60-40 L/M787.70.7617 ChiMac Off High544.91.1010 Predom. Up M/H553.41.0842 W/L 60-40 Med684.10.8771 ChiMac AP Low739.40.8114 Predom. Up High532.41.1269 W/L 60-40 M/H631.30.9505 ChiMac AP Med664.50.9029 Predom. Dn Low836.50.7172 W/L 60-40 High596.71.0056 ChiMac AP High573.11.0469 Predom. Dn L/M626.80.9573 5B AP Low775.30.7739 BayMac Cove Island848.30.7073 Predom. Dn Med544.71.1015 5B AP L/M619.90.9678 BayMac Shore842.40.7123 Predom. Dn M/H484.21.2392 5B AP Med548.21.0945 Harvest Moon486.81.2326      SA/DSPL Up25.95SA/DSPL Dn56.57
ORC Ref  04550004B45 Issued on 11/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Team ChangwonKOR2013
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassYamaha 31 FestaMeasurement18/03/2013HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.500Maximum beam2.852Draft1.834Displacement2,632Wetted area17.19IMS L8.697LSM08.392Accomod. length9.269Sink (kg/mm) 13.14
VCGD-0.146VCGM-0.110 RM Rated (kg·m) 60.1Limit of positive stability(°) 119.7 Stability Index 117.0 BLR index 0.0000Default crew weight536 Declared crew weight 360
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0015
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P11.660IG11.460ISP13.190MDT10.079MDL10.139MDT2MDL2TLTaperMWGO
E4.300J3.500BAS1.530FSDNo FoilSFJ0.150SPLWPLTPS4.550BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date11/04/2022
SFFP0.400FFM1.103FF1.103LCFcl5.184SG
SAFP8.091FAM0.862FA0.862LCFsh5.376HBI1.002
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04550004B45 Issued on 11/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Team ChangwonKOR2013
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment30.210.951.622.653.4629.1614/03/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.090.490.921.752.873.6211.11YesNo 20.4814/03/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment214.3212.3013.317.147.07101%79.0414/03/2025White
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04550004B45 Issued on 11/02/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org