Club
Certificate
2023

Boat

ISIDOROS

GRE-396

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 Angles43.2°41.4°40.2°39.3°38.4°38.4°38.8°
Beat VMG2.883.483.914.224.404.484.51
52°4.375.175.696.006.196.306.37
60°4.585.395.876.156.346.466.57
75°4.695.516.016.306.506.666.87
90°4.595.536.126.446.636.747.03
110°4.675.646.236.576.847.087.45
120°4.535.516.156.536.827.097.60
135°4.115.085.856.316.636.927.50
150°3.534.495.315.946.346.647.16
Run VMG3.053.904.625.255.806.216.77
Gybe Angles147.5°151.4°154.1°160.4°173.0°177.2°179.0°

APH: 659.7

CDL: 6.736

GPH: 742.8

CertNo: 00020

BOAT
ClassFIRST 28DesignerFINOTBuilderBENETEAUAge date01/1981Series date01/1981Offset fileH010.BOFData fileGR396
HULL
Length Overall9.005 mMaximum Beam2.992 mDraft1.701 mDisplacement3,299 kgDLR9.3804IMS DivisionCruiser/RacerDynamic Allowance0.480%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.382m
CREW
Maximum weight450 kgMinimum weight338 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail15.7716.07Headsail Luffed24.6324.63Headsail FlyingSymmetric51.6351.63Asymmetric
STORM SAIL AREAS (m²)
Trysail4.50Storm Jib5.53Heavy Weather Jib14.93
SAIL LIMITS
Headsails5  Spinnakers4
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  03420002ESAIssued on 28/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ISIDOROS

GRE-396

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 VMG1249.21035.4920.9854.1818.0803.8798.8
52°823.6695.7632.3599.9581.3571.2565.1
60°786.9668.3613.3585.1567.9557.0548.4
75°767.8653.9599.0571.7554.1540.9524.1
90°784.1651.1588.7559.4542.9533.8512.1
110°771.0638.0577.9547.7526.1508.5482.9
120°794.2653.0585.4551.6528.1507.9473.6
135°875.8708.8615.6570.3542.8520.4480.2
150°1021.2801.1678.2605.9567.6542.5502.5
Run VMG1179.2924.2780.0685.1621.2579.5531.8
Selected Courses
Windward / Leeward1214.2979.8850.4769.6719.6691.7665.3
All purpose944.3774.1684.9634.5604.6586.6564.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward806.00.7444
All purpose659.70.9095
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6481
Downwind "popa"0.7923
70% up, 30% down "Ilhabela"0.6856
30% up, 70% down "Ilhabela-inverso"0.7427
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Predominantly Upwind714.80.8394
Predominantly Downwind669.30.8965
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low859.20.6983
Triple Number All Purpose Medium655.50.9154
Triple Number All Purpose High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Predominantly Upwind714.80.8394
Predominantly Downwind669.30.8965
Predominantly Upwind Low958.00.6263
Predominantly Upwind Medium737.80.8132
Predominantly Upwind High676.10.8875
Predominantly Downwind Low931.10.6444
Predominantly Downwind Medium659.80.9093
Predominantly Downwind High553.31.0844
Chicago-Mac Upwind0.8227
Chicago-Mac All Purpose0.8485
Chicago-Mac Downwind0.8805
Bayview-Mac Cove Island0.7853
Bayview-Mac Shore0.7927
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching629.30.9534
Predominantly Reaching Low782.60.7667
Predominantly Reaching Medium622.90.9632
Predominantly Reaching High549.61.0917
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1196.20.5016
5-Band Low / Medium1001.80.5989
5-Band Medium785.70.7637
5-Band Medium / High698.50.8590
5-Band High669.80.8957
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance717.1
Triple Number Coastal/Long Distance Low859.2
Triple Number Coastal/Long Distance Medium655.5
Triple Number Coastal/Long Distance High582.7
Triple Number Windward/Leeward Low1097.1
Triple Number Windward/Leeward Medium801.6
Triple Number Windward/Leeward High688.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6983
Triple Number Coastal/Long Distance Medium0.9154
Triple Number Coastal/Long Distance High1.0297
Triple Number Windward/Leeward Low0.5469
Triple Number Windward/Leeward Medium0.7485
Triple Number Windward/Leeward High0.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low859.2
Triple Number Coastal/Long Distance Medium655.5
Triple Number Coastal/Long Distance High582.7
Triple Number Windward/Leeward Low1097.1
Triple Number Windward/Leeward Medium801.6
Triple Number Windward/Leeward High688.8
Predominantly Upwind714.8
Predominantly Downwind669.3
Predominantly Reaching644.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6983
Triple Number Coastal/Long Distance Medium0.9154
Triple Number Coastal/Long Distance High1.0297
Triple Number Windward/Leeward Low0.5469
Triple Number Windward/Leeward Medium0.7485
Triple Number Windward/Leeward High0.8711
Coastal/Long Distance0.8367
Predominantly Upwind0.8394
Predominantly Downwind0.8965
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6983
Tretall Distanseseilas Mellomvind0.9154
Tretall Distanseseilas Mye vind1.0297
Tretall Pølsebane Lite vind0.5469
Tretall Pølsebane Mellomvind0.7485
Tretall Pølsebane Mye vind0.8711
Distanseseilas ett tall (OSN 8-16kn)0.8367
Distanseseilas ett tall (APH 6-20kn)0.9095
Enkeltall Motvind0.8394
Enkeltall Medvind0.8965
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Coastal/Long Distance717.10.8367
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind714.80.8394
Predominantly Downwind669.30.8965
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore673.20.8913
Cape Doctor Coastal570.91.0509
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6983
Triple Number Coastal/Long Distance Medium0.9154
Triple Number Coastal/Long Distance High1.0297
Triple Number Windward/Leeward Low0.5469
Triple Number Windward/Leeward Medium0.7485
Triple Number Windward/Leeward High0.8711
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6983
Triple Number Coastal/Long Distance Medium0.9154
Triple Number Coastal/Long Distance High1.0297
Triple Number Windward/Leeward Low0.5469
Triple Number Windward/Leeward Medium0.7485
Triple Number Windward/Leeward High0.8711
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Predominantly Upwind714.80.8394
Predominantly Downwind669.30.8965
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance717.10.8367
Triple Number Coastal/Long Distance Low859.20.6983
Triple Number Coastal/Long Distance Medium655.50.9154
Triple Number Coastal/Long Distance High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1210.7922.5768.6676.3626.9593.1541.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low859.20.6983
Triple Number All Purpose Medium655.50.9154
Triple Number All Purpose High582.71.0297
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium801.60.7485
Triple Number Windward/Leeward High688.80.8711
Predominantly Upwind714.80.8394
Predominantly Downwind669.30.8965
Predominantly Upwind Low958.00.6263
Predominantly Upwind Medium737.80.8132
Predominantly Upwind High676.10.8875
Predominantly Downwind Low931.10.6444
Predominantly Downwind Medium659.80.9093
Predominantly Downwind High553.31.0844
Chicago-Mac Upwind0.8227
Chicago-Mac All Purpose0.8485
Chicago-Mac Downwind0.8805
Bayview-Mac Cove Island0.7853
Bayview-Mac Shore0.7927
Harvest Moon Regatta574.51.0444
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy679.30.8832
San Francisco Bay Medium797.00.7528
Predominantly Reaching629.30.9534
Predominantly Reaching Low782.60.7667
Predominantly Reaching Medium622.90.9632
Predominantly Reaching High549.61.0917
Windward/Leeward 60-40 Low1106.10.5425
Windward/Leeward 60-40 Medium829.10.7237
Windward/Leeward 60-40 High728.50.8236
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1196.20.5016
5-Band Low / Medium1001.80.5989
5-Band Medium785.70.7637
5-Band Medium / High698.50.8590
5-Band High669.80.8957
ORC Ref  03420002ESAIssued on 28/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ISIDOROS

GRE-396

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 28Measurement04/12/1993HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.005Max. Beam2.992Draft1.701Displacement3,299Wetted area16.77IMS L7.359LSM07.058Acc. length9.005Sink (kg/mm) 11.96
VCGD0.047VCGM0.073RM Rated (kg·m) 52.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.382PBWPIPA0.0014
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P9.020IG10.515ISP10.550MDT10.095MDL10.170MDT2MDL2TLNo TaperMWGO
E2.850J3.320BAS1.315FSDNo FoilSFJ0.000SPL3.400WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date04/12/1993MeasurerComment
SFFP0.286FFM1.022FF1.032LCFcl4.754SG1.0220
SAFP8.078FAM0.853FA0.859LCFsh4.984HBI0.924
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03420002ESAIssued on 28/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ISIDOROS

GRE-396

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.130.631.121.912.4715.7707/03/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.040.591.152.303.484.6810.60NoNo 24.6307/05/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment110.5010.5010.505.905.9051.6331/03/2022
ORC Ref  03420002ESAIssued on 28/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org