Club Certificate2026
HarmoniaKOR553
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 Angles45.9°42.6°40.6°39.2°38.0°37.4°37.7°37.8°38.7°
Beat VMG2.583.674.454.995.295.425.505.575.53
52°4.055.576.567.167.467.607.687.787.79
60°4.355.866.817.357.647.817.908.018.04
75°4.576.066.987.497.818.048.218.408.50
90°4.445.946.977.547.848.138.398.799.04
110°4.275.967.127.738.138.468.689.079.32
120°4.135.796.977.658.108.528.939.5210.01
135°3.615.196.437.307.838.278.739.7811.27
150°3.004.395.606.617.367.858.279.1910.37
Run VMG2.603.814.855.746.497.107.598.379.23
Gybe Angles140.8°144.4°148.7°152.5°158.1°165.2°171.4°175.4°167.3°
APH ToD:529.0CDL: 10.121APH ToT: 1.1342CertNo:032/26
BOAT
ClassFIRST 40.7DesignerFARR YACHT DESIGNBuilderBENETEAUAge date06/2008Series date12/1997Offset fileFIRST407.offData fileKOR553
HULL
Length Overall11.924 mMaximum Beam3.770 mDraft2.406 mDisplacement6,970 kgDLR6.3800IMS DivisionCruiser/RacerDynamic Allowance0.150%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.457m
CREW
Maximum weight718 kg(default)Minimum weight588 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail47.1348.10Headsail Luffed37.0137.01Headsail FlyingSymmetric114.86114.86Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail14.06Storm Jib12.22Heavy Weather Jib32.98
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 181.6 kg·m Stability Index 122.6
COMMENTS
57697229
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  04550004VK8 Issued on 23/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
HarmoniaKOR553
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 VMG1394.5981.4808.5720.7680.1663.9654.5646.5651.5
52°888.8646.6548.4502.7482.4473.6468.5463.0462.2
60°827.3614.8528.5489.7471.0461.1456.0449.3447.5
75°787.1594.4515.6480.5460.8447.5438.6428.5423.3
90°810.9606.2516.8477.2459.0442.8429.0409.7398.2
110°842.8604.2505.8465.6442.7425.7414.8397.0386.1
120°872.6621.6516.4470.7444.3422.4403.4378.2359.6
135°997.9693.4560.1493.3459.7435.1412.2368.2319.5
150°1201.2819.2643.4544.3489.1458.6435.5391.8347.0
Run VMG1387.0946.0742.9626.9554.6506.8474.6430.1390.2
Selected Courses
Windward / Leeward1390.7963.7775.7673.8617.3585.3564.6538.3520.9
All purpose1050.2743.9612.0545.8510.8490.0475.3454.0438.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward646.20.9286
All purpose529.01.1342
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance574.61.0443
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8147
Downwind "popa"0.9809
70% up, 30% down "Ilhabela"0.8583
30% up, 70% down "Ilhabela-inverso"0.9243
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Predominantly Upwind571.71.0494
Predominantly Downwind537.01.1172
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP550.51.0900 Predom. Rc High428.91.3989 5B SF Bay L/M709.50.8457 TriNum AP Low677.90.8850 Predom. Dn Low825.70.7266 5B SF Bay Med609.50.9843 TriNum AP Med525.71.1413 Predom. Dn L/M607.30.9880 5B SF Bay M/H555.01.0810 TriNum AP High471.01.2739 Predom. Dn Med518.31.1576 5B SF Bay High528.71.1348 TriNum W/L Low911.60.6582 Predom. Dn M/H462.41.2974 5B AP Low753.80.7960 TriNum W/L Med641.40.9355 Predom. Dn High427.41.4040 5B AP L/M593.11.0116 TriNum W/L Hig559.91.0717 ChiMac Up Low721.30.8319 5B AP Med518.61.1570 Predom. Upwind595.51.0076 ChiMac Up Med650.60.9222 5B AP M/H477.21.2574 Predom. Reaching528.81.1347 ChiMac Up High568.91.0546 5B AP High455.01.3187 Predom. Downwind561.31.0690 ChiMac Off Low708.70.8467 5B W/L Low1023.50.5862 Predom. Up Low822.00.7299 ChiMac Off Med625.00.9600 5B W/L L/M744.10.8063 Predom. Up L/M625.50.9592 ChiMac Off High525.91.1409 5B W/L Med630.20.9521 Predom. Up Med553.61.0837 ChiMac AP Low711.80.8430 5B W/L M/H568.11.0562 Predom. Up M/H518.21.1579 ChiMac AP Med635.60.9440 5B W/L High539.81.1115 Predom. Up High501.81.1956 ChiMac AP High546.11.0987 W/L 60-40 Low1027.10.5842 Predom. Rc Low734.10.8174 BayMac Cove Island818.20.7333 W/L 60-40 L/M752.10.7978 Predom. Rc L/M560.11.0712 BayMac Shore811.60.7393 W/L 60-40 Med642.70.9336 Predom. Rc Med494.51.2133 Harvest Moon467.41.2838 W/L 60-40 M/H585.81.0242 Predom. Rc M/H454.61.3198 5B SF Bay Low861.60.6964 W/L 60-40 High561.61.0684      SA/DSPL Up22.91SA/DSPL Dn44.11
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance574.61.0443
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance574.61.0443
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance574.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating574.61.0443
FinRating, kevyt tuuli1008.50.9915
FinRating, kova tuuli457.71.0925
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0443
Triple Number Coastal/Long Distance Low0.8850
Triple Number Coastal/Long Distance Medium1.1414
Triple Number Coastal/Long Distance High1.2739
Triple Number Windward/Leeward Low0.6899
Triple Number Windward/Leeward Medium0.9355
Triple Number Windward/Leeward High1.0717
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
For information
General Purpose Handicap (GPH)593.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance574.61.0443
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Saronikos S All Purpose601.70.9972
Saronikos S Upwind676.00.8876
Saronikos S Downwind513.71.1680
Saronikos N All Purpose631.70.9498
Saronikos N Upwind706.00.8499
Saronikos N Downwind561.11.0694
Saronikos SW All Purpose607.30.9880
Saronikos SW Upwind695.70.8625
Saronikos SW Downwind521.21.1512
Saronikos NE All Purpose656.10.9145
Saronikos NE Upwind664.30.9032
Saronikos NE Downwind630.80.9511
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose550.51.0900
5-Band All Purpose Low820.20.7316
5-Band All Purpose L/M614.80.9759
5-Band All Purpose Med535.21.1211
5-Band All Purpose M/H489.81.2250
5-Band All Purpose High464.41.2921
Single Number Predominant Upwind570.51.0517
Single Number Predominant Reaching508.91.1791
Single Number Predominant Downwind537.71.1158
5-Band 50-50 Windward/Leeward Low1023.50.5862
5-Band 50-50 Windward/Leeward L/M744.10.8063
5-Band 50-50 Windward/Leeward Med630.20.9521
5-Band 50-50 Windward/Leeward M/H568.11.0562
5-Band 50-50 Windward/Leeward High539.81.1115
5-Band 60-40 Windward/Leeward Low1027.10.5842
5-Band 60-40 Windward/Leeward L/M752.10.7978
5-Band 60-40 Windward/Leeward Med642.70.9336
5-Band 60-40 Windward/Leeward M/H585.81.0242
5-Band 60-40 Windward/Leeward High561.61.0684
Triple Number 50-50 Windward/Leeward Low911.60.6582
Triple Number 50-50 Windward/Leeward Med641.40.9354
Triple Number 50-50 Windward/Leeward High559.91.0716
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward658.70.9110
Triple Number 60-40 Windward/Leeward Low916.50.6546
Triple Number 60-40 Windward/Leeward Med653.20.9185
Triple Number 60-40 Windward/Leeward High578.71.0369
Triple Number All-Purpose Low737.00.8141
Triple Number All-Purpose Med542.91.1052
Triple Number All-Purpose High482.81.2427
Triple Number Predominant Upwind Low748.60.8015
Triple Number Predominant Upwind Med562.71.0663
Triple Number Predominant Upwind High518.61.1570
Triple Number Predominant Reaching Low667.20.8993
Triple Number Predominant Reaching Med508.61.1798
Triple Number Predominant Reaching High440.01.3636
Triple Number Predominant Downwind Low736.80.8143
Triple Number Predominant Downwind Med527.81.1367
Triple Number Predominant Downwind High444.31.3503
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance574.61.0443
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance574.61.0443
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low678.0
Triple Number Coastal/Long Distance Medium525.7
Triple Number Coastal/Long Distance High471.0
Triple Number Windward/Leeward Low869.7
Triple Number Windward/Leeward Medium641.4
Triple Number Windward/Leeward High559.9
Predominantly Upwind571.7
Predominantly Downwind537.0
Predominantly Reaching516.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance574.61.0443
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8850
Triple Number Coastal/Long Distance Medium1.1414
Triple Number Coastal/Long Distance High1.2739
Triple Number Windward/Leeward Low0.6899
Triple Number Windward/Leeward Medium0.9355
Triple Number Windward/Leeward High1.0717
Coastal/Long Distance1.0443
Predominantly Upwind1.0494
Predominantly Downwind1.1172
For information
General Purpose Handicap (GPH)593.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1342
Distanseseilas Trippeltall svak vind0.8850
Distanseseilas Trippeltall mellomvind1.1414
Distanseseilas Trippeltall sterk vind1.2739
Pølsebane Trippeltall svak vind0.6899
Pølsebane Trippeltall mellomvind0.9355
Pølsebane Trippeltall sterk vind1.0717
Motvind Singeltall1.0494
Medvind Singeltall1.1172
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Coastal/Long Distance574.61.0443
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind571.71.0494
Predominantly Downwind537.01.1172
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore526.11.1405
Cape Doctor Coastal443.01.3543
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8850
Triple Number Coastal/Long Distance Medium1.1414
Triple Number Coastal/Long Distance High1.2739
Triple Number Windward/Leeward Low0.6899
Triple Number Windward/Leeward Medium0.9355
Triple Number Windward/Leeward High1.0717
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8850
Triple Number Coastal/Long Distance Medium1.1414
Triple Number Coastal/Long Distance High1.2739
Triple Number Windward/Leeward Low0.6899
Triple Number Windward/Leeward Medium0.9355
Triple Number Windward/Leeward High1.0717
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance574.61.0443
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Predominantly Upwind571.71.0494
Predominantly Downwind537.01.1172
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance574.61.0443
Triple Number Coastal/Long Distance Low678.00.8850
Triple Number Coastal/Long Distance Medium525.71.1414
Triple Number Coastal/Long Distance High471.01.2739
Triple Number Windward/Leeward Low869.70.6899
Triple Number Windward/Leeward Medium641.40.9355
Triple Number Windward/Leeward High559.91.0717
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1390.4961.9730.8610.9543.8508.1479.9435.7420.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP550.51.0900 Predom. Dn High427.41.4040 5B AP M/H477.21.2574 TriNum AP Low677.90.8850 Predom. Rc Low734.10.8174 5B AP High455.01.3187 TriNum AP Med525.71.1413 Predom. Rc L/M560.11.0712 5B SF Bay Low861.60.6964 TriNum AP High471.01.2739 Predom. Rc Med494.51.2133 5B SF Bay L/M709.50.8457 TriNum W/L Low911.60.6582 Predom. Rc M/H454.61.3198 5B SF Bay Med609.50.9843 TriNum W/L Med641.40.9355 Predom. Rc High428.91.3989 5B SF Bay M/H555.01.0810 TriNum W/L Hig559.91.0717 5B W/L Low1023.50.5862 5B SF Bay High528.71.1348 Predom. Upwind595.51.0076 5B W/L L/M744.10.8063 ChiMac Up Low721.30.8319 Predom. Reaching528.81.1347 5B W/L Med630.20.9521 ChiMac Up Med650.60.9222 Predom. Downwind561.31.0690 5B W/L M/H568.11.0562 ChiMac Up High568.91.0546 Predom. Up Low822.00.7299 5B W/L High539.81.1115 ChiMac Off Low708.70.8467 Predom. Up L/M625.50.9592 W/L 60-40 Low1027.10.5842 ChiMac Off Med625.00.9600 Predom. Up Med553.61.0837 W/L 60-40 L/M752.10.7978 ChiMac Off High525.91.1409 Predom. Up M/H518.21.1579 W/L 60-40 Med642.70.9336 ChiMac AP Low711.80.8430 Predom. Up High501.81.1956 W/L 60-40 M/H585.81.0242 ChiMac AP Med635.60.9440 Predom. Dn Low825.70.7266 W/L 60-40 High561.61.0684 ChiMac AP High546.11.0987 Predom. Dn L/M607.30.9880 5B AP Low753.80.7960 BayMac Cove Island818.20.7333 Predom. Dn Med518.31.1576 5B AP L/M593.11.0116 BayMac Shore811.60.7393 Predom. Dn M/H462.41.2974 5B AP Med518.61.1570 Harvest Moon467.41.2838      SA/DSPL Up22.91SA/DSPL Dn44.11
ORC Ref  04550004VK8 Issued on 23/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
HarmoniaKOR553
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 40.7Measurement31/03/2021HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.924Maximum beam3.770Draft2.406Displacement6,970Wetted area29.87IMS L10.600LSM010.298Accomod. length11.924Sink (kg/mm) 22.38
VCGD-0.075VCGM-0.025 RM Rated (kg·m) 181.6Limit of positive stability(°) 120.5 Stability Index 122.6 BLR index 0.0000Default crew weight718 Declared crew weight 880
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.457PBWPIPA0.0008
EDLST1ST2
ST3ST4ST5
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders3Rotating mastNo
P14.870IG15.630ISP16.750MDT10.130MDL10.235MDT2MDL2TLTaperMWGO
E5.400J4.410BAS1.760FSDFoilSFJ0.005SPL4.947WPLTPS5.380BDMWT226.00MCG5.920
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date23/07/2026
SFFP0.292FFMFF1.399LCFcl6.580SG
SAFP11.313FAMFA1.098LCFsh6.828HBI1.236
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04550004VK8 Issued on 23/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
HarmoniaKOR553
Korean Sailing Federation
Olympic Convention Center
Olympic-ro 424
Songpa-gu, Seoul, S.Korea
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.171.142.023.424.4347.13
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.100.731.332.403.494.6015.52NoNo 37.01
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment215.9615.9615.968.678.50114.86
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
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  04550004VK8 Issued on 23/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org