Club Certificate2025
CHINOOKIRL 17793
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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 Angles43.6°43.6°41.4°39.7°38.9°38.5°38.2°38.3°39.3°
Beat VMG2.223.083.774.254.564.694.764.804.72
52°3.474.705.596.176.506.666.736.816.78
60°3.664.935.836.376.686.856.947.047.02
75°3.745.065.996.536.847.077.257.457.52
90°3.865.256.246.787.047.227.427.838.08
110°3.915.376.437.007.427.798.068.498.86
120°3.775.216.316.937.397.858.299.019.60
135°3.334.685.796.607.097.558.049.1710.90
150°2.773.975.025.926.587.007.378.189.38
Run VMG2.403.434.355.125.716.136.507.158.13
Gybe Angles144.4°144.4°147.8°148.6°151.4°156.4°160.6°158.5°141.6°
APH ToD:601.4CDL: 7.970APH ToT: 0.9977CertNo:
BOAT
ClassFIRST 300 SPIRITDesignerFINOTBuilderBENETEAUAge date01/1996Series date11/1994Offset fileF116.offData fileIRL17793
HULL
Length Overall8.959 mMaximum Beam2.960 mDraft1.821 mDisplacement3,590 kgDLR4.9053IMS DivisionCruiser/RacerDynamic Allowance0.220%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight595 kg(declared)Minimum weight465 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail25.0225.37Headsail Luffed24.0024.00Headsail FlyingSymmetricAsymmetric78.9778.97 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail7.65Storm Jib7.91Heavy Weather Jib21.35
SAIL LIMITS
Headsails5Spinnakers4
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  038800040VNIssued on 22/09/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
CHINOOKIRL 17793
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
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 VMG1619.91167.5955.1846.3789.3767.7756.4749.8763.4
52°1038.8766.4643.5583.5553.7540.6534.7528.9530.9
60°983.6729.8617.6565.6539.1525.5518.9511.7512.5
75°961.5711.9601.4551.7526.2509.0496.8483.4478.6
90°931.8685.8576.5530.7511.3498.9485.5459.9445.7
110°921.2671.0559.5514.5485.2462.3446.4424.1406.1
120°955.2690.6570.7519.7487.1458.5434.5399.7375.1
135°1079.7769.6621.6545.4507.8476.6447.5392.5330.3
150°1297.9907.8716.7608.6547.0514.4488.3440.1383.7
Run VMG1498.61048.2827.5702.7630.6587.0554.3503.3443.0
Selected Courses
Windward / Leeward1558.81107.8891.3774.5710.0677.4655.3626.5603.2
All purpose1186.1854.6699.4621.4579.5555.6538.4513.3494.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward744.80.8056
All purpose601.40.9977
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.40.9169
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6963
Downwind "popa"0.8653
70% up, 30% down "Ilhabela"0.7396
30% up, 70% down "Ilhabela-inverso"0.8066
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Predominantly Upwind656.40.9141
Predominantly Downwind605.80.9904
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low777.00.7722
TriNum AP Med597.51.0041
TriNum AP High533.31.1251
TriNum W/L Low1043.90.5748
TriNum W/L Med738.50.8125
TriNum W/L Hig650.10.9230
Predom. Upwind684.10.8770
Predom. Reaching596.21.0064
Predom. Downwind631.60.9499
Predom. Up Low951.60.6305
Predom. Up L/M722.70.8302
Predom. Up Med634.70.9454
Predom. Up M/H592.31.0130
Predom. Up High573.81.0457
Predom. Dn Low923.90.6495
Predom. Dn L/M683.60.8777
Predom. Dn Med584.71.0261
Predom. Dn M/H523.51.1462
Predom. Dn High481.41.2463
Predom. Rc Low831.80.7214
Predom. Rc L/M633.10.9478
Predom. Rc Med557.01.0772
Predom. Rc M/H512.01.1719
Predom. Rc High480.91.2476
SA/DSPL Upwind20.82SA/DSPL Downwind44.17
Scoring OptionTODTOT
5B W/L Low1166.60.5143
5B W/L L/M855.30.7015
5B W/L Med725.90.8266
5B W/L M/H658.80.9107
5B W/L High627.50.9562
W/L 60-40 Low1178.80.5090
W/L 60-40 L/M868.90.6905
W/L 60-40 Med742.00.8087
W/L 60-40 M/H679.00.8836
W/L 60-40 High652.70.9193
5B AP Low856.90.7002
5B AP L/M677.00.8862
5B AP Med589.01.0187
5B AP M/H540.51.1101
5B AP High514.31.1666
5B SF Bay Low1008.10.5952
5B SF Bay L/M818.80.7328
5B SF Bay Med699.60.8576
5B SF Bay M/H638.00.9405
5B SF Bay High608.50.9861
Chicago-Mac Upwind0.8496
Chicago-Mac All Purpose0.8847
Chicago-Mac Downwind0.9156
BayMac Cove Island929.80.6453
BayMac Shore924.10.6493
Harvest Moon518.01.1584
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.40.9169
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.40.9169
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance654.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating654.40.9169
FinRating, kevyt tuuli1144.10.8741
FinRating, kova tuuli517.10.9670
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9169
Triple Number Coastal/Long Distance Low0.7722
Triple Number Coastal/Long Distance Medium1.0042
Triple Number Coastal/Long Distance High1.1251
Triple Number Windward/Leeward Low0.6002
Triple Number Windward/Leeward Medium0.8125
Triple Number Windward/Leeward High0.9230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
For information
General Purpose Handicap (GPH)675.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.40.9169
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.40.9169
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.40.9169
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low777.0
Triple Number Coastal/Long Distance Medium597.5
Triple Number Coastal/Long Distance High533.3
Triple Number Windward/Leeward Low999.7
Triple Number Windward/Leeward Medium738.5
Triple Number Windward/Leeward High650.1
Predominantly Upwind656.4
Predominantly Downwind605.8
Predominantly Reaching581.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.40.9169
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7722
Triple Number Coastal/Long Distance Medium1.0042
Triple Number Coastal/Long Distance High1.1251
Triple Number Windward/Leeward Low0.6002
Triple Number Windward/Leeward Medium0.8125
Triple Number Windward/Leeward High0.9230
Coastal/Long Distance0.9169
Predominantly Upwind0.9141
Predominantly Downwind0.9904
For information
General Purpose Handicap (GPH)675.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9977
Distanseseilas Trippeltall svak vind0.7722
Distanseseilas Trippeltall mellomvind1.0042
Distanseseilas Trippeltall sterk vind1.1251
Pølsebane Trippeltall svak vind0.6002
Pølsebane Trippeltall mellomvind0.8125
Pølsebane Trippeltall sterk vind0.9230
Motvind Singeltall0.9141
Medvind Singeltall0.9904
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Coastal/Long Distance654.40.9169
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind656.40.9141
Predominantly Downwind605.80.9904
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore610.20.9833
Cape Doctor Coastal499.81.2004
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7722
Triple Number Coastal/Long Distance Medium1.0042
Triple Number Coastal/Long Distance High1.1251
Triple Number Windward/Leeward Low0.6002
Triple Number Windward/Leeward Medium0.8125
Triple Number Windward/Leeward High0.9230
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7722
Triple Number Coastal/Long Distance Medium1.0042
Triple Number Coastal/Long Distance High1.1251
Triple Number Windward/Leeward Low0.6002
Triple Number Windward/Leeward Medium0.8125
Triple Number Windward/Leeward High0.9230
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.40.9169
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Predominantly Upwind656.40.9141
Predominantly Downwind605.80.9904
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.40.9169
Triple Number Coastal/Long Distance Low777.00.7722
Triple Number Coastal/Long Distance Medium597.51.0042
Triple Number Coastal/Long Distance High533.31.1251
Triple Number Windward/Leeward Low999.70.6002
Triple Number Windward/Leeward Medium738.50.8125
Triple Number Windward/Leeward High650.10.9230
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1646.01101.9837.1698.6618.5577.0543.5489.2470.1
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low777.00.7722
TriNum AP Med597.51.0041
TriNum AP High533.31.1251
TriNum W/L Low1043.90.5748
TriNum W/L Med738.50.8125
TriNum W/L Hig650.10.9230
Predom. Upwind684.10.8770
Predom. Reaching596.21.0064
Predom. Downwind631.60.9499
Predom. Up Low951.60.6305
Predom. Up L/M722.70.8302
Predom. Up Med634.70.9454
Predom. Up M/H592.31.0130
Predom. Up High573.81.0457
Predom. Dn Low923.90.6495
Predom. Dn L/M683.60.8777
Predom. Dn Med584.71.0261
Predom. Dn M/H523.51.1462
Predom. Dn High481.41.2463
Predom. Rc Low831.80.7214
Predom. Rc L/M633.10.9478
Predom. Rc Med557.01.0772
Predom. Rc M/H512.01.1719
Predom. Rc High480.91.2476
SA/DSPL Upwind20.82SA/DSPL Downwind44.17
Scoring OptionTODTOT
5B W/L Low1166.60.5143
5B W/L L/M855.30.7015
5B W/L Med725.90.8266
5B W/L M/H658.80.9107
5B W/L High627.50.9562
W/L 60-40 Low1178.80.5090
W/L 60-40 L/M868.90.6905
W/L 60-40 Med742.00.8087
W/L 60-40 M/H679.00.8836
W/L 60-40 High652.70.9193
5B AP Low856.90.7002
5B AP L/M677.00.8862
5B AP Med589.01.0187
5B AP M/H540.51.1101
5B AP High514.31.1666
5B SF Bay Low1008.10.5952
5B SF Bay L/M818.80.7328
5B SF Bay Med699.60.8576
5B SF Bay M/H638.00.9405
5B SF Bay High608.50.9861
Chicago-Mac Upwind0.8496
Chicago-Mac All Purpose0.8847
Chicago-Mac Downwind0.9156
BayMac Cove Island929.80.6453
BayMac Shore924.10.6493
Harvest Moon518.01.1584
ORC Ref  038800040VNIssued on 22/09/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
CHINOOKIRL 17793
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 300 SPIRITMeasurement20/09/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.959Max. Beam2.960Draft1.821Displacement3,590Wetted area20.22IMS L8.782LSM09.011Acc. length8.959Sink (kg/mm) 14.97
VCGD0.284VCGM0.138RM Rated (kg·m) 65.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight593Declared crew weight595
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBW0.093PIPA0.0049
PSD0.025PHD0.068PHL0.031
PSA20.3°ESL0.961
ST10.027ST20.101ST30.101
ST40.056ST50.196
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1Checkstays0Spreaders1Rotating mastNo
P11.340IG12.523ISP12.443MDT10.093MDL10.160MDT20.093MDL20.160TLMW0.160GO0.175
E3.850J3.670BAS1.293FSD0.030SFJ0.061SPLWPLTPS4.770BD0.110MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered65.5Flotation Date20/09/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  038800040VNIssued on 22/09/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
CHINOOKIRL 17793
ORC Ireland
www.orc-ireland.org
info@orc-ireland.org
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.701.282.2725.02
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.571.061.973.7012.50NoNo 24.00
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment013.9711.4912.737.626.74113%78.97
CRUISER/RACER REQUIREMENTS*
Accommodation length9.0 mTable area0.44 m²Headroom1.62 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity60 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity30 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  038800040VNIssued on 22/09/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org