Club Certificate2026
TCHAIKAFRA-34226
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
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 Angles45.3°43.2°40.9°39.3°38.1°37.6°37.4°38.1°39.4°
Beat VMG2.393.424.184.704.985.105.175.225.16
52°3.725.196.176.757.057.187.277.387.40
60°3.975.456.416.947.257.437.557.707.76
75°4.145.616.587.097.487.818.038.318.45
90°4.005.546.607.177.537.978.378.939.28
110°3.945.566.727.377.928.398.729.3310.01
120°3.795.366.557.267.878.509.1110.0010.78
135°3.284.765.976.877.468.098.7910.4612.56
150°2.714.005.146.156.937.488.069.4211.34
Run VMG2.353.474.455.336.096.707.208.289.82
Gybe Angles139.0°144.7°148.7°151.3°157.3°164.8°167.3°162.7°146.1°
APH ToD:557.7CDL: 8.945APH ToT: 1.0759CertNo:26006a
BOAT
ClassGRAND SURPRISE9/10DesignerNIVELT BernardBuilderARCHAMBAULTAge date05/2006Series date10/1999Offset fileGRANDSURPRISE31.OFFData fileF34226_26006a
HULL
Length Overall9.550 mMaximum Beam2.964 mDraft2.076 mDisplacement2,737 kgDLR3.2728IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight632 kg(default)Minimum weight502 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.5632.21Headsail Luffed22.1222.12Headsail FlyingSymmetric68.8168.81Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.36Storm Jib7.59Heavy Weather Jib20.47
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 67.1 kg·m Stability Index 104.2
COMMENTS
2026: 1st ORC / No TPS / Version 9/10. / Nanni 2.5HE / From: Gd SURP 910
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  04330004J4S Issued on 26/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TCHAIKAFRA-34226
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
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 VMG1507.51053.3862.1765.9722.6705.9696.6689.8698.3
52°968.3693.8583.7533.2510.8501.2495.1488.1486.7
60°906.9660.4561.4518.8496.5484.5477.1467.3464.1
75°870.6642.1546.9507.6481.3461.1448.5433.3425.8
90°900.2650.0545.8502.3477.9451.6429.9403.0388.1
110°912.6647.2535.3488.7454.5429.2412.8385.9359.7
120°950.2671.1549.8495.9457.3423.4395.3359.9334.0
135°1097.8755.6603.0524.3482.5444.9409.4344.1286.5
150°1326.4899.4699.8585.5519.5481.5446.8382.2317.5
Run VMG1531.51038.6808.1675.5590.8537.2500.0435.0366.6
Selected Courses
Windward / Leeward1519.51046.0835.1720.7656.7621.6598.3562.4532.4
All purpose1149.0804.4654.8580.0538.0511.5491.7461.7438.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward689.20.8705
All purpose557.71.0759
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.40.9878
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7641
Downwind "popa"0.9160
70% up, 30% down "Ilhabela"0.8041
30% up, 70% down "Ilhabela-inverso"0.8645
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Predominantly Upwind605.90.9903
Predominantly Downwind568.11.0561
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP580.21.0342 Predom. Rc High428.81.3992 5B SF Bay L/M760.60.7889 TriNum AP Low729.60.8224 Predom. Dn Low899.70.6669 5B SF Bay Med647.60.9264 TriNum AP Med555.21.0807 Predom. Dn L/M651.50.9210 5B SF Bay M/H583.71.0279 TriNum AP High485.41.2361 Predom. Dn Med547.41.0961 5B SF Bay High548.51.0939 TriNum W/L Low987.00.6079 Predom. Dn M/H476.01.2605 5B AP Low817.30.7341 TriNum W/L Med684.20.8770 Predom. Dn High426.41.4071 5B AP L/M633.20.9475 TriNum W/L Hig590.71.0158 ChiMac Up Low774.00.7752 5B AP Med546.41.0981 Predom. Upwind631.80.9497 ChiMac Up Med694.10.8645 5B AP M/H493.91.2149 Predom. Reaching556.31.0785 ChiMac Up High601.00.9983 5B AP High462.81.2964 Predom. Downwind594.01.0100 ChiMac Off Low766.10.7832 5B W/L Low1111.60.5397 Predom. Up Low887.60.6760 ChiMac Off Med669.10.8968 5B W/L L/M799.50.7505 Predom. Up L/M666.90.8997 ChiMac Off High552.31.0863 5B W/L Med671.50.8935 Predom. Up Med585.61.0245 ChiMac AP Low766.40.7829 5B W/L M/H601.00.9983 Predom. Up M/H542.81.1053 ChiMac AP Med679.00.8837 5B W/L High563.41.0649 Predom. Up High521.41.1508 ChiMac AP High574.91.0436 W/L 60-40 Low1113.10.5390 Predom. Rc Low795.90.7539 BayMac Cove Island885.00.6779 W/L 60-40 L/M806.80.7437 Predom. Rc L/M596.71.0055 BayMac Shore877.50.6837 W/L 60-40 Med684.50.8766 Predom. Rc Med519.01.1560 Harvest Moon481.11.2471 W/L 60-40 M/H620.70.9667 Predom. Rc M/H465.01.2903 5B SF Bay Low931.00.6444 W/L 60-40 High589.21.0183      SA/DSPL Up27.35SA/DSPL Dn51.13
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.40.9878
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.40.9878
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance607.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating607.40.9878
FinRating, kevyt tuuli1096.70.9118
FinRating, kova tuuli463.71.0782
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9878
Triple Number Coastal/Long Distance Low0.8224
Triple Number Coastal/Long Distance Medium1.0809
Triple Number Coastal/Long Distance High1.2361
Triple Number Windward/Leeward Low0.6379
Triple Number Windward/Leeward Medium0.8770
Triple Number Windward/Leeward High1.0158
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
For information
General Purpose Handicap (GPH)628.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.40.9878
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Saronikos S All Purpose635.30.9445
Saronikos S Upwind720.30.8330
Saronikos S Downwind536.51.1184
Saronikos N All Purpose673.10.8915
Saronikos N Upwind754.90.7948
Saronikos N Downwind597.21.0047
Saronikos SW All Purpose640.30.9371
Saronikos SW Upwind742.70.8078
Saronikos SW Downwind544.71.1015
Saronikos NE All Purpose702.20.8545
Saronikos NE Upwind710.80.8441
Saronikos NE Downwind676.10.8874
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose580.21.0342
5-Band All Purpose Low889.50.6745
5-Band All Purpose L/M657.20.9129
5-Band All Purpose Med565.31.0613
5-Band All Purpose M/H508.41.1802
5-Band All Purpose High473.31.2678
Single Number Predominant Upwind604.30.9930
Single Number Predominant Reaching534.91.1217
Single Number Predominant Downwind569.31.0540
5-Band 50-50 Windward/Leeward Low1111.60.5397
5-Band 50-50 Windward/Leeward L/M799.50.7505
5-Band 50-50 Windward/Leeward Med671.50.8935
5-Band 50-50 Windward/Leeward M/H601.00.9983
5-Band 50-50 Windward/Leeward High563.41.0649
5-Band 60-40 Windward/Leeward Low1113.10.5390
5-Band 60-40 Windward/Leeward L/M806.80.7437
5-Band 60-40 Windward/Leeward Med684.50.8766
5-Band 60-40 Windward/Leeward M/H620.70.9667
5-Band 60-40 Windward/Leeward High589.21.0183
Triple Number 50-50 Windward/Leeward Low987.00.6079
Triple Number 50-50 Windward/Leeward Med684.20.8769
Triple Number 50-50 Windward/Leeward High590.61.0158
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward702.20.8544
Triple Number 60-40 Windward/Leeward Low990.20.6059
Triple Number 60-40 Windward/Leeward Med696.30.8617
Triple Number 60-40 Windward/Leeward High611.80.9807
Triple Number All-Purpose Low795.50.7542
Triple Number All-Purpose Med574.51.0443
Triple Number All-Purpose High498.91.2028
Triple Number Predominant Upwind Low805.70.7447
Triple Number Predominant Upwind Med596.11.0066
Triple Number Predominant Upwind High543.11.1048
Triple Number Predominant Reaching Low719.00.8345
Triple Number Predominant Reaching Med536.11.1193
Triple Number Predominant Reaching High446.11.3449
Triple Number Predominant Downwind Low798.80.7511
Triple Number Predominant Downwind Med559.31.0728
Triple Number Predominant Downwind High452.71.3253
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.40.9878
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.40.9878
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low729.6
Triple Number Coastal/Long Distance Medium555.1
Triple Number Coastal/Long Distance High485.4
Triple Number Windward/Leeward Low940.6
Triple Number Windward/Leeward Medium684.2
Triple Number Windward/Leeward High590.7
Predominantly Upwind605.9
Predominantly Downwind568.1
Predominantly Reaching543.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.40.9878
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8224
Triple Number Coastal/Long Distance Medium1.0809
Triple Number Coastal/Long Distance High1.2361
Triple Number Windward/Leeward Low0.6379
Triple Number Windward/Leeward Medium0.8770
Triple Number Windward/Leeward High1.0158
Coastal/Long Distance0.9878
Predominantly Upwind0.9903
Predominantly Downwind1.0561
For information
General Purpose Handicap (GPH)628.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0759
Distanseseilas Trippeltall svak vind0.8224
Distanseseilas Trippeltall mellomvind1.0809
Distanseseilas Trippeltall sterk vind1.2361
Pølsebane Trippeltall svak vind0.6379
Pølsebane Trippeltall mellomvind0.8770
Pølsebane Trippeltall sterk vind1.0158
Motvind Singeltall0.9903
Medvind Singeltall1.0561
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Coastal/Long Distance607.40.9878
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind605.90.9903
Predominantly Downwind568.11.0561
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore541.41.1082
Cape Doctor Coastal445.41.3472
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8224
Triple Number Coastal/Long Distance Medium1.0809
Triple Number Coastal/Long Distance High1.2361
Triple Number Windward/Leeward Low0.6379
Triple Number Windward/Leeward Medium0.8770
Triple Number Windward/Leeward High1.0158
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8224
Triple Number Coastal/Long Distance Medium1.0809
Triple Number Coastal/Long Distance High1.2361
Triple Number Windward/Leeward Low0.6379
Triple Number Windward/Leeward Medium0.8770
Triple Number Windward/Leeward High1.0158
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.40.9878
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Predominantly Upwind605.90.9903
Predominantly Downwind568.11.0561
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance607.40.9878
Triple Number Coastal/Long Distance Low729.60.8224
Triple Number Coastal/Long Distance Medium555.11.0809
Triple Number Coastal/Long Distance High485.41.2361
Triple Number Windward/Leeward Low940.60.6379
Triple Number Windward/Leeward Medium684.20.8770
Triple Number Windward/Leeward High590.71.0158
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1520.71045.2785.9651.5574.2531.2495.3438.1415.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP580.21.0342 Predom. Dn High426.41.4071 5B AP M/H493.91.2149 TriNum AP Low729.60.8224 Predom. Rc Low795.90.7539 5B AP High462.81.2964 TriNum AP Med555.21.0807 Predom. Rc L/M596.71.0055 5B SF Bay Low931.00.6444 TriNum AP High485.41.2361 Predom. Rc Med519.01.1560 5B SF Bay L/M760.60.7889 TriNum W/L Low987.00.6079 Predom. Rc M/H465.01.2903 5B SF Bay Med647.60.9264 TriNum W/L Med684.20.8770 Predom. Rc High428.81.3992 5B SF Bay M/H583.71.0279 TriNum W/L Hig590.71.0158 5B W/L Low1111.60.5397 5B SF Bay High548.51.0939 Predom. Upwind631.80.9497 5B W/L L/M799.50.7505 ChiMac Up Low774.00.7752 Predom. Reaching556.31.0785 5B W/L Med671.50.8935 ChiMac Up Med694.10.8645 Predom. Downwind594.01.0100 5B W/L M/H601.00.9983 ChiMac Up High601.00.9983 Predom. Up Low887.60.6760 5B W/L High563.41.0649 ChiMac Off Low766.10.7832 Predom. Up L/M666.90.8997 W/L 60-40 Low1113.10.5390 ChiMac Off Med669.10.8968 Predom. Up Med585.61.0245 W/L 60-40 L/M806.80.7437 ChiMac Off High552.31.0863 Predom. Up M/H542.81.1053 W/L 60-40 Med684.50.8766 ChiMac AP Low766.40.7829 Predom. Up High521.41.1508 W/L 60-40 M/H620.70.9667 ChiMac AP Med679.00.8837 Predom. Dn Low899.70.6669 W/L 60-40 High589.21.0183 ChiMac AP High574.91.0436 Predom. Dn L/M651.50.9210 5B AP Low817.30.7341 BayMac Cove Island885.00.6779 Predom. Dn Med547.41.0961 5B AP L/M633.20.9475 BayMac Shore877.50.6837 Predom. Dn M/H476.01.2605 5B AP Med546.41.0981 Harvest Moon481.11.2471      SA/DSPL Up27.35SA/DSPL Dn51.13
ORC Ref  04330004J4S Issued on 26/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TCHAIKAFRA-34226
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassGRAND SURPRISE9/10MeasurementHIN1270Plan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.550Maximum beam2.964Draft2.076Displacement2,737Wetted area19.02IMS L9.350LSM09.420Accomod. length9.550Sink (kg/mm) 14.87
VCGD-0.115VCGM-0.071 RM Rated (kg·m) 67.1Limit of positive stability(°) 107.4 Stability Index 104.2 BLR index 0.0000Default crew weight632 Declared crew weight 0
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0041
PSD0.025PHD0.068PHL0.115
PSA16.5°ESL0.845
ST10.015ST20.081ST3
ST40.047ST50.170
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.150IG12.270ISP12.570MDT10.106MDL10.159MDT20.076MDL20.114TL0.556MW0.159GO0.171
E4.400J3.410BAS1.327FSDNo FoilSFJ0.132SPL3.410WPLTPSBD0.146MWT92.20MCG4.493
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.115Flotation Date01/01/2013
SFFP0.230FFM1.004FF1.004LCFcl5.423SG1.0260
SAFP9.178FAM0.677FA0.677LCFsh5.618HBI0.797
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04330004J4S Issued on 26/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
TCHAIKAFRA-34226
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.150.891.652.813.6631.5602/12/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.070.541.021.862.703.5811.99YesNo 22.1202/12/2025Medium - Mylar-PET FilmG20.070.380.741.492.263.059.90YesNo 14.9602/12/2025Heavy - Mylar-PET Film
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS112.1012.1012.106.996.1668.8102/12/2025Medium
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04330004J4S Issued on 26/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org