Club
Certificate
2023

Boat

OKYRROI

GRE-4950

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 Angles44.2°41.7°40.8°40.6°40.5°40.0°39.9°
Beat VMG3.544.294.755.005.155.255.36
52°5.446.417.037.357.527.637.75
60°5.746.687.297.627.787.898.01
75°5.926.877.497.848.058.188.35
90°5.806.807.497.908.158.338.60
110°5.436.647.508.008.318.548.81
120°5.286.507.417.988.348.619.06
135°4.755.976.937.668.138.489.08
150°4.005.176.167.017.678.118.75
Run VMG3.474.485.346.116.777.368.22
Gybe Angles144.8°148.7°152.0°154.1°159.5°171.2°178.4°

APH: 549.0

CDL: 10.343

GPH: 618.4

CertNo: 00044

BOAT
ClassM & W 48DesignerB.MILLERBuilderOLYMPIC MARINEAge date01/1975Series date01/1968Offset fileDROMOR48.OFFData fileGR4950
HULL
Length Overall14.730 mMaximum Beam3.902 mDraft2.226 mDisplacement14,291 kgDLR8.5211IMS DivisionCruiser/RacerDynamic Allowance0.500%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeSolid 3 bladesDiameter0.420m
CREW
Maximum weight800 kgMinimum weight600 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail42.9743.61Headsail Luffed79.7479.74Headsail FlyingSymmetric98.23130.37Asymmetric
STORM SAIL AREAS (m²)
Trysail13.03Storm Jib16.92Heavy Weather Jib45.68
SAIL LIMITS
Headsails6 * Woven polyester sails  Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
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  03420002QOIIssued on 26/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

OKYRROI

GRE-4950

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 VMG1018.4838.3758.2720.7699.2685.7671.5
52°661.8562.0512.4489.7478.5471.6464.5
60°627.7538.8493.9472.7462.5456.2449.6
75°607.7523.7480.6459.2447.5440.1431.1
90°620.4529.3481.0456.0441.7432.1418.7
110°662.7542.5480.2450.0433.4421.6408.5
120°682.0554.2485.7451.1431.7418.0397.2
135°757.6603.3519.4469.7442.7424.7396.5
150°899.0695.9584.3513.3469.6444.0411.6
Run VMG1038.1803.6673.8589.6531.4488.9438.0
Selected Courses
Windward / Leeward1028.2821.0716.0655.1615.3587.3554.8
All purpose788.8643.2568.9528.3503.8487.7468.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward682.80.8788
All purpose549.01.0929
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7789
Downwind "popa"0.9204
70% up, 30% down "Ilhabela"0.8166
30% up, 70% down "Ilhabela-inverso"0.8728
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Predominantly Upwind592.11.0134
Predominantly Downwind560.61.0703
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low716.00.8380
Triple Number All Purpose Medium545.31.1004
Triple Number All Purpose High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Predominantly Upwind592.11.0134
Predominantly Downwind560.61.0703
Predominantly Upwind Low786.30.7630
Predominantly Upwind Medium611.00.9821
Predominantly Upwind High566.11.0599
Predominantly Downwind Low794.00.7557
Predominantly Downwind Medium557.91.0754
Predominantly Downwind High459.31.3063
Chicago-Mac Upwind0.9941
Chicago-Mac All Purpose1.0188
Chicago-Mac Downwind1.0485
Bayview-Mac Cove Island0.9473
Bayview-Mac Shore0.9599
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching519.31.1555
Predominantly Reaching Low648.10.9258
Predominantly Reaching Medium514.51.1662
Predominantly Reaching High451.41.3291
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1012.30.5927
5-Band Low / Medium843.80.7111
5-Band Medium666.70.8999
5-Band Medium / High592.31.0131
5-Band High560.41.0707
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance599.1
Triple Number Coastal/Long Distance Low716.0
Triple Number Coastal/Long Distance Medium545.3
Triple Number Coastal/Long Distance High484.5
Triple Number Windward/Leeward Low924.6
Triple Number Windward/Leeward Medium679.3
Triple Number Windward/Leeward High582.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8380
Triple Number Coastal/Long Distance Medium1.1004
Triple Number Coastal/Long Distance High1.2384
Triple Number Windward/Leeward Low0.6489
Triple Number Windward/Leeward Medium0.8833
Triple Number Windward/Leeward High1.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low716.0
Triple Number Coastal/Long Distance Medium545.3
Triple Number Coastal/Long Distance High484.5
Triple Number Windward/Leeward Low924.6
Triple Number Windward/Leeward Medium679.3
Triple Number Windward/Leeward High582.1
Predominantly Upwind592.1
Predominantly Downwind560.6
Predominantly Reaching534.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8380
Triple Number Coastal/Long Distance Medium1.1004
Triple Number Coastal/Long Distance High1.2384
Triple Number Windward/Leeward Low0.6489
Triple Number Windward/Leeward Medium0.8833
Triple Number Windward/Leeward High1.0308
Coastal/Long Distance1.0014
Predominantly Upwind1.0134
Predominantly Downwind1.0703
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8380
Tretall Distanseseilas Mellomvind1.1004
Tretall Distanseseilas Mye vind1.2384
Tretall Pølsebane Lite vind0.6489
Tretall Pølsebane Mellomvind0.8833
Tretall Pølsebane Mye vind1.0308
Distanseseilas ett tall (OSN 8-16kn)1.0014
Distanseseilas ett tall (APH 6-20kn)1.0929
Enkeltall Motvind1.0134
Enkeltall Medvind1.0703
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Coastal/Long Distance599.11.0014
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind592.11.0134
Predominantly Downwind560.61.0703
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore564.51.0628
Cape Doctor Coastal474.21.2654
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8380
Triple Number Coastal/Long Distance Medium1.1004
Triple Number Coastal/Long Distance High1.2384
Triple Number Windward/Leeward Low0.6489
Triple Number Windward/Leeward Medium0.8833
Triple Number Windward/Leeward High1.0308
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8380
Triple Number Coastal/Long Distance Medium1.1004
Triple Number Coastal/Long Distance High1.2384
Triple Number Windward/Leeward Low0.6489
Triple Number Windward/Leeward Medium0.8833
Triple Number Windward/Leeward High1.0308
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Predominantly Upwind592.11.0134
Predominantly Downwind560.61.0703
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.11.0014
Triple Number Coastal/Long Distance Low716.00.8380
Triple Number Coastal/Long Distance Medium545.31.1004
Triple Number Coastal/Long Distance High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1029.2772.7643.1565.8523.4492.3447.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low716.00.8380
Triple Number All Purpose Medium545.31.1004
Triple Number All Purpose High484.51.2384
Triple Number Windward/Leeward Low924.60.6489
Triple Number Windward/Leeward Medium679.30.8833
Triple Number Windward/Leeward High582.11.0308
Predominantly Upwind592.11.0134
Predominantly Downwind560.61.0703
Predominantly Upwind Low786.30.7630
Predominantly Upwind Medium611.00.9821
Predominantly Upwind High566.11.0599
Predominantly Downwind Low794.00.7557
Predominantly Downwind Medium557.91.0754
Predominantly Downwind High459.31.3063
Chicago-Mac Upwind0.9941
Chicago-Mac All Purpose1.0188
Chicago-Mac Downwind1.0485
Bayview-Mac Cove Island0.9473
Bayview-Mac Shore0.9599
Harvest Moon Regatta472.21.2707
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy571.81.0493
San Francisco Bay Medium669.80.8958
Predominantly Reaching519.31.1555
Predominantly Reaching Low648.10.9258
Predominantly Reaching Medium514.51.1662
Predominantly Reaching High451.41.3291
Windward/Leeward 60-40 Low925.30.6484
Windward/Leeward 60-40 Medium699.10.8582
Windward/Leeward 60-40 High616.70.9730
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1012.30.5927
5-Band Low / Medium843.80.7111
5-Band Medium666.70.8999
5-Band Medium / High592.31.0131
5-Band High560.41.0707
ORC Ref  03420002QOIIssued on 26/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

OKYRROI

GRE-4950

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassM & W 48Measurement01/08/2001HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA14.730Max. Beam3.902Draft2.226Displacement14,291Wetted area41.49IMS L12.098LSM011.880Acc. length12.681Sink (kg/mm) 27.30
VCGD0.442VCGM-0.132RM Rated (kg·m) 226.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.420PBWPIPA0.0220
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P16.400IG18.393ISP18.393MDT10.190MDL10.300MDT20.190MDL20.300TL0.000MWGO
E4.540J5.500BAS1.693FSD0.000SFJ0.000SPL5.957WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date12/06/2012MeasurerComment
SFFP0.500FFMFF1.184LCFcl7.702SG1.0253
SAFP13.800FAMFA1.024LCFsh7.943HBI1.130
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03420002QOIIssued on 26/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

OKYRROI

GRE-4950

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.170.881.572.793.7642.9706/08/2010
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC8.160.00NoNo 79.74* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment0116.6516.6516.656.648.8498.2303/08/2017
ORC Ref  03420002QOIIssued on 26/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org