International
Certificate
2023

Boat

GRANMA X

GRE-88

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.6°39.0°38.2°37.6°38.2°38.4°
Beat VMG3.574.334.845.095.205.255.27
52°5.426.376.927.197.317.387.43
60°5.686.597.107.377.517.597.67
75°5.856.747.237.547.767.928.09
90°5.726.707.267.577.858.108.47
110°5.746.867.467.868.188.408.77
120°5.596.747.407.858.268.639.20
135°5.056.247.077.598.048.479.45
150°4.275.416.397.107.588.018.88
Run VMG3.704.695.546.266.857.358.15
Gybe Angles144.2°148.7°152.0°157.7°168.2°177.2°178.4°

APH: 548.2

CDL: 9.365

GPH: 614.1

CertNo: 00231

BOAT
ClassIMX-38DesignerN.JEPPESENBuilderX-YACHTSAge date04/1996Series date09/1992Offset fileORC0010.OFFData fileGR88IMX
HULL
Length Overall11.360 mMaximum Beam3.660 mDraft2.100 mDisplacement5,462 kgDLR6.2261IMS DivisionPerformanceDynamic Allowance0.140%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight640 kgMinimum weight480 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.6839.48Headsail Luffed34.7734.77Headsail FlyingSymmetric104.86104.86Asymmetric
STORM SAIL AREAS (m²)
Trysail11.48Storm Jib12.17Heavy Weather Jib32.84
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment135.9 kg·mStability Index112.4
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  03420002QS8Issued on 29/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

GRANMA X

GRE-88

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1007.7831.2743.6707.3692.8685.8683.1
52°664.6565.5520.2500.6492.5488.0484.2
60°633.3546.2507.2488.6479.1474.1469.3
75°615.0534.1497.7477.4463.7454.5445.2
90°629.2537.3496.0475.6458.5444.3424.9
110°627.3524.8482.4458.0439.9428.4410.4
120°644.1534.4486.3458.4435.8417.2391.2
135°712.3577.1509.5474.4448.0424.8380.8
150°843.4665.2563.8506.8474.8449.7405.4
Run VMG973.9768.1649.9575.5525.7489.7441.7
Selected Courses
Windward / Leeward990.8799.6696.7641.4609.3587.8562.4
All purpose766.5632.0564.7529.7508.6493.9473.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward670.00.8955
All purpose548.21.0946
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7848
Downwind "popa"0.9492
70% up, 30% down "Ilhabela"0.8278
30% up, 70% down "Ilhabela-inverso"0.8931
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Predominantly Upwind592.51.0126
Predominantly Downwind555.51.0801
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low699.30.8580
Triple Number All Purpose Medium544.61.1017
Triple Number All Purpose High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Predominantly Upwind592.51.0126
Predominantly Downwind555.51.0801
Predominantly Upwind Low775.50.7737
Predominantly Upwind Medium610.70.9825
Predominantly Upwind High574.31.0448
Predominantly Downwind Low763.10.7862
Predominantly Downwind Medium550.81.0893
Predominantly Downwind High460.11.3041
Chicago-Mac Upwind0.9954
Chicago-Mac All Purpose1.0250
Chicago-Mac Downwind1.0615
Bayview-Mac Cove Island0.9549
Bayview-Mac Shore0.9636
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching523.01.1472
Predominantly Reaching Low636.60.9425
Predominantly Reaching Medium517.91.1586
Predominantly Reaching High457.91.3103
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low976.10.6147
5-Band Low / Medium819.10.7325
5-Band Medium653.90.9175
5-Band Medium / High591.61.0141
5-Band High566.81.0586
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance595.2
Triple Number Coastal/Long Distance Low699.3
Triple Number Coastal/Long Distance Medium544.6
Triple Number Coastal/Long Distance High489.9
Triple Number Windward/Leeward Low895.3
Triple Number Windward/Leeward Medium665.0
Triple Number Windward/Leeward High583.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8580
Triple Number Coastal/Long Distance Medium1.1017
Triple Number Coastal/Long Distance High1.2247
Triple Number Windward/Leeward Low0.6702
Triple Number Windward/Leeward Medium0.9022
Triple Number Windward/Leeward High1.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low699.3
Triple Number Coastal/Long Distance Medium544.6
Triple Number Coastal/Long Distance High489.9
Triple Number Windward/Leeward Low895.3
Triple Number Windward/Leeward Medium665.0
Triple Number Windward/Leeward High583.6
Predominantly Upwind592.5
Predominantly Downwind555.5
Predominantly Reaching534.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8580
Triple Number Coastal/Long Distance Medium1.1017
Triple Number Coastal/Long Distance High1.2247
Triple Number Windward/Leeward Low0.6702
Triple Number Windward/Leeward Medium0.9022
Triple Number Windward/Leeward High1.0281
Coastal/Long Distance1.0081
Predominantly Upwind1.0126
Predominantly Downwind1.0801
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8580
Tretall Distanseseilas Mellomvind1.1017
Tretall Distanseseilas Mye vind1.2247
Tretall Pølsebane Lite vind0.6702
Tretall Pølsebane Mellomvind0.9022
Tretall Pølsebane Mye vind1.0281
Distanseseilas ett tall (OSN 8-16kn)1.0081
Distanseseilas ett tall (APH 6-20kn)1.0946
Enkeltall Motvind1.0126
Enkeltall Medvind1.0801
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Coastal/Long Distance595.21.0081
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind592.51.0126
Predominantly Downwind555.51.0801
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore570.01.0526
Cape Doctor Coastal479.61.2510
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8580
Triple Number Coastal/Long Distance Medium1.1017
Triple Number Coastal/Long Distance High1.2247
Triple Number Windward/Leeward Low0.6702
Triple Number Windward/Leeward Medium0.9022
Triple Number Windward/Leeward High1.0281
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8580
Triple Number Coastal/Long Distance Medium1.1017
Triple Number Coastal/Long Distance High1.2247
Triple Number Windward/Leeward Low0.6702
Triple Number Windward/Leeward Medium0.9022
Triple Number Windward/Leeward High1.0281
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Predominantly Upwind592.51.0126
Predominantly Downwind555.51.0801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance595.21.0081
Triple Number Coastal/Long Distance Low699.30.8580
Triple Number Coastal/Long Distance Medium544.61.1017
Triple Number Coastal/Long Distance High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance989.1753.9631.9564.1527.6498.5453.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low699.30.8580
Triple Number All Purpose Medium544.61.1017
Triple Number All Purpose High489.91.2247
Triple Number Windward/Leeward Low895.30.6702
Triple Number Windward/Leeward Medium665.00.9022
Triple Number Windward/Leeward High583.61.0281
Predominantly Upwind592.51.0126
Predominantly Downwind555.51.0801
Predominantly Upwind Low775.50.7737
Predominantly Upwind Medium610.70.9825
Predominantly Upwind High574.31.0448
Predominantly Downwind Low763.10.7862
Predominantly Downwind Medium550.81.0893
Predominantly Downwind High460.11.3041
Chicago-Mac Upwind0.9954
Chicago-Mac All Purpose1.0250
Chicago-Mac Downwind1.0615
Bayview-Mac Cove Island0.9549
Bayview-Mac Shore0.9636
Harvest Moon Regatta477.71.2559
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy572.61.0479
San Francisco Bay Medium658.30.9114
Predominantly Reaching523.01.1472
Predominantly Reaching Low636.60.9425
Predominantly Reaching Medium517.91.1586
Predominantly Reaching High457.91.3103
Windward/Leeward 60-40 Low900.10.6666
Windward/Leeward 60-40 Medium685.80.8749
Windward/Leeward 60-40 High618.60.9699
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low976.10.6147
5-Band Low / Medium819.10.7325
5-Band Medium653.90.9175
5-Band Medium / High591.61.0141
5-Band High566.81.0586
ORC Ref  03420002QS8Issued on 29/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

GRANMA X

GRE-88

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIMX-38Measurement11/03/2006HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.360Max. Beam3.660Draft2.100Displacement5,462Wetted area26.05IMS L9.817LSM09.572Acc. length11.360Sink (kg/mm) 19.60
VCGD-0.020VCGM0.045RM Rated (kg·m) 135.9Limit of positive stability(°) 113.1Stability Index112.4
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBW0.110PIPA0.0031
EDL1.480ST10.048ST20.170
ST30.170ST40.097ST50.280
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders3Rotating mastNo
P13.380IG15.500ISP15.453MDT10.117MDL10.200MDT20.116MDL20.160TL1.600MW0.160GO0.187
E4.900J4.390BAS1.848FSD0.042SFJ0.260SPL4.575WPLTPSBD0.190MWT180.00MCG5.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date13/05/2017MeasurerGRE-16Comment
SFFP1.098FFM1.219FF1.219LCFcl6.238SG1.0265
SAFP10.595FAM0.957FA0.957LCFsh6.491HBI1.089
W180.0W280.0W380.0W480.0
PD1259.0PD2259.0PD3259.0PD4259.0
WD12.260PLM2069.00GSA50.2RSA5941.7RM136.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2FUEL INOX 6 LT0.90008066.501WATER PVC EMPTY12006.30Total deductible56.50
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery70Ah, port196.701Battery3 x 75Ah, centerline606.601EngineVOLVO PENTA 2030Total deductible0
ORC Ref  03420002QS8Issued on 29/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

GRANMA X

GRE-88

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment40.180.981.813.114.1138.6812/09/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment100.150.731.322.333.304.2615.30YesNo 34.7712/09/2019J1 L90.130.711.272.283.284.2815.36NoNo 34.5306/07/2017#360.090.581.092.143.224.2815.38NoNo 33.1629/07/2010113.5815.30NoInner 27.8809/06/2011staysail
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment815.4515.4315.448.138.23104.8625/06/2016915.1815.1815.188.177.90102.6712/09/2019S1.5-1
ORC Ref  03420002QS8Issued on 29/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org