Club Certificate2025
PYK 2TUR 25003
Turkiye
Sailing
Federation
www.tyf.org.tr/
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 Angles42.5°42.5°40.0°37.3°36.7°36.5°36.5°37.1°39.4°
Beat VMG2.473.394.084.484.634.694.724.724.56
52°3.875.115.886.226.396.486.556.616.56
60°4.125.346.036.366.586.706.796.906.90
75°4.275.486.136.506.817.057.227.457.55
90°4.205.476.226.586.897.257.588.128.48
110°4.215.516.316.837.287.688.018.669.53
120°4.065.356.196.757.327.918.539.5010.63
135°3.484.825.836.416.947.568.3510.6812.95
150°2.824.055.135.956.486.987.559.1812.44
Run VMG2.453.514.445.225.836.306.757.9510.77
Gybe Angles145.1°145.1°150.1°156.4°165.1°169.6°168.0°143.1°146.6°
APH ToD:595.0CDL: 7.175APH ToT: 1.0084CertNo:
BOAT
ClassPLATU 25 ODDesignerFARRBuilderBENETEAUAge date01/2008Series date01/1997Offset fileplatu25.OD.OFFData fileTUR25002
HULL
Length Overall7.530 mMaximum Beam2.580 mDraft1.592 mDisplacement1,232 kgDLR4.3465IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight355 kg(declared)Minimum weight225 kg ✱ when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail20.5521.07Headsail Luffed12.8812.88Headsail FlyingSymmetric44.6844.68Asymmetric
STORM SAIL AREAS (m²)
Trysail6.02Storm Jib4.18Heavy Weather Jib11.28
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
OUTBOARD ENGINE MERCURY 6
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  04590003W88Issued on 30/07/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
PYK 2TUR 25003
Turkiye
Sailing
Federation
www.tyf.org.tr/
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 VMG1460.01062.7881.7803.3778.3767.9762.5763.2789.1
52°931.4705.0612.3578.8563.3555.5550.0544.7548.6
60°873.6673.9596.8565.9547.3537.0529.9521.8521.8
75°842.5656.8587.3553.7528.3510.4498.7483.1476.7
90°856.8657.7579.2547.0522.5496.5475.2443.3424.6
110°855.4653.6570.4527.0494.2469.0449.5415.5377.8
120°887.8672.3581.1533.2491.6454.9422.2379.1338.8
135°1034.0746.7617.0561.9518.9476.5430.9337.0277.9
150°1276.2889.2701.7605.0555.4515.6476.7392.3289.4
Run VMG1470.71026.7810.2689.8617.3571.0533.3453.0334.2
Selected Courses
Windward / Leeward1464.41044.7845.9746.6697.8669.5647.9608.1561.6
All purpose1098.4807.6676.6614.9580.7556.1535.6499.6469.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward724.60.8281
All purpose595.01.0084
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.40.9325
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7217
Downwind "popa"0.8934
70% up, 30% down "Ilhabela"0.7658
30% up, 70% down "Ilhabela-inverso"0.8339
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Predominantly Upwind646.90.9275
Predominantly Downwind597.91.0035
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low742.10.8085
Triple Number AP Medium594.01.0101
Triple Number AP High527.21.1380
Triple Number Windward/Leeward Low987.40.6077
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Single Number Predominant Upwind669.00.8969
Single Number Predominant Reaching587.41.0215
Single Number Predominant Downwind618.40.9702
Predominant Upwind - Low884.80.6781
Predominant Upwind - Low/Med696.90.8610
Predominant Upwind - Medium631.10.9507
Predominant Upwind - Med/High593.71.0105
Predominant Upwind - High571.61.0496
Predominant Downwind Low887.80.6759
Predominant Downwind Low/Med673.20.8913
Predominant Downwind Medium582.51.0301
Predominant Downwind Med/High510.31.1758
Predominant Downwind High447.81.3400
Predominant Reaching Low790.40.7591
Predominant Reaching Low/Med625.80.9588
Predominant Reaching Medium559.91.0716
Predominant Reaching Med/High504.91.1883
Predominant Reaching High460.81.3021
SA/DSPL Upwind29.08SA/DSPL Downwind56.73
Scoring OptionTODTOT
5-Band Windward/Leeward Low1100.20.5454
5-Band Windward/Leeward Low/Med818.30.7332
5-Band Windward/Leeward Medium709.30.8459
5-Band Windward/Leeward Med/High649.00.9245
5-Band Windward/Leeward High606.90.9886
Windward/Leeward 60-40 Low1103.50.5437
Windward/Leeward 60-40 Low/Med827.70.7249
Windward/Leeward 60-40 Medium725.00.8276
Windward/Leeward 60-40 Med/High672.20.8926
Windward/Leeward 60-40 High639.10.9389
5-Band AP Low812.80.7382
5-Band AP Low/Med660.00.9091
5-Band AP Medium586.51.0231
5-Band AP Med/High536.81.1178
5-Band AP High500.51.1988
5-Band SF Bay Tour - Low949.60.6318
5-Band SF Bay Tour - Low/Med785.00.7644
5-Band SF Bay Tour - Medium687.30.8730
5-Band SF Bay Tour - Med/High630.80.9512
5-Band SF Bay Tour - High591.11.0150
Chicago-Mac Upwind0.8733
Chicago-Mac All Purpose0.9054
Chicago-Mac Downwind0.9335
Bayview-Mac Cove Island0.6774
Bayview-Mac Shore0.6823
Harvest Moon Regatta510.41.1756
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.40.9325
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.40.9325
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance643.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating643.40.9325
FinRating, kevyt tuuli1080.20.9258
FinRating, kova tuuli500.01.0001
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9325
Triple Number Coastal/Long Distance Low0.8085
Triple Number Coastal/Long Distance Medium1.0102
Triple Number Coastal/Long Distance High1.1380
Triple Number Windward/Leeward Low0.6347
Triple Number Windward/Leeward Medium0.8341
Triple Number Windward/Leeward High0.9399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
For information
General Purpose Handicap (GPH)663.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.40.9325
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.40.9325
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.40.9325
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low742.1
Triple Number Coastal/Long Distance Medium593.9
Triple Number Coastal/Long Distance High527.2
Triple Number Windward/Leeward Low945.3
Triple Number Windward/Leeward Medium719.3
Triple Number Windward/Leeward High638.4
Predominantly Upwind646.9
Predominantly Downwind597.9
Predominantly Reaching577.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.40.9325
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8085
Triple Number Coastal/Long Distance Medium1.0102
Triple Number Coastal/Long Distance High1.1380
Triple Number Windward/Leeward Low0.6347
Triple Number Windward/Leeward Medium0.8341
Triple Number Windward/Leeward High0.9399
Coastal/Long Distance0.9325
Predominantly Upwind0.9275
Predominantly Downwind1.0035
For information
General Purpose Handicap (GPH)663.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0084
Distanseseilas Trippeltall svak vind0.8085
Distanseseilas Trippeltall mellomvind1.0102
Distanseseilas Trippeltall sterk vind1.1380
Pølsebane Trippeltall svak vind0.6347
Pølsebane Trippeltall mellomvind0.8341
Pølsebane Trippeltall sterk vind0.9399
Motvind Singeltall0.9275
Medvind Singeltall1.0035
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Coastal/Long Distance643.40.9325
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind646.90.9275
Predominantly Downwind597.91.0035
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore575.61.0424
Cape Doctor Coastal478.21.2548
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8085
Triple Number Coastal/Long Distance Medium1.0102
Triple Number Coastal/Long Distance High1.1380
Triple Number Windward/Leeward Low0.6347
Triple Number Windward/Leeward Medium0.8341
Triple Number Windward/Leeward High0.9399
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8085
Triple Number Coastal/Long Distance Medium1.0102
Triple Number Coastal/Long Distance High1.1380
Triple Number Windward/Leeward Low0.6347
Triple Number Windward/Leeward Medium0.8341
Triple Number Windward/Leeward High0.9399
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.40.9325
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Predominantly Upwind646.90.9275
Predominantly Downwind597.91.0035
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.40.9325
Triple Number Coastal/Long Distance Low742.10.8085
Triple Number Coastal/Long Distance Medium593.91.0102
Triple Number Coastal/Long Distance High527.21.1380
Triple Number Windward/Leeward Low945.30.6347
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1549.31042.9799.7682.3617.5576.3539.0474.7441.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low742.10.8085
Triple Number AP Medium594.01.0101
Triple Number AP High527.21.1380
Triple Number Windward/Leeward Low987.40.6077
Triple Number Windward/Leeward Medium719.30.8341
Triple Number Windward/Leeward High638.40.9399
Single Number Predominant Upwind669.00.8969
Single Number Predominant Reaching587.41.0215
Single Number Predominant Downwind618.40.9702
Predominant Upwind - Low884.80.6781
Predominant Upwind - Low/Med696.90.8610
Predominant Upwind - Medium631.10.9507
Predominant Upwind - Med/High593.71.0105
Predominant Upwind - High571.61.0496
Predominant Downwind Low887.80.6759
Predominant Downwind Low/Med673.20.8913
Predominant Downwind Medium582.51.0301
Predominant Downwind Med/High510.31.1758
Predominant Downwind High447.81.3400
Predominant Reaching Low790.40.7591
Predominant Reaching Low/Med625.80.9588
Predominant Reaching Medium559.91.0716
Predominant Reaching Med/High504.91.1883
Predominant Reaching High460.81.3021
SA/DSPL Upwind29.08SA/DSPL Downwind56.73
Scoring OptionTODTOT
5-Band Windward/Leeward Low1100.20.5454
5-Band Windward/Leeward Low/Med818.30.7332
5-Band Windward/Leeward Medium709.30.8459
5-Band Windward/Leeward Med/High649.00.9245
5-Band Windward/Leeward High606.90.9886
Windward/Leeward 60-40 Low1103.50.5437
Windward/Leeward 60-40 Low/Med827.70.7249
Windward/Leeward 60-40 Medium725.00.8276
Windward/Leeward 60-40 Med/High672.20.8926
Windward/Leeward 60-40 High639.10.9389
5-Band AP Low812.80.7382
5-Band AP Low/Med660.00.9091
5-Band AP Medium586.51.0231
5-Band AP Med/High536.81.1178
5-Band AP High500.51.1988
5-Band SF Bay Tour - Low949.60.6318
5-Band SF Bay Tour - Low/Med785.00.7644
5-Band SF Bay Tour - Medium687.30.8730
5-Band SF Bay Tour - Med/High630.80.9512
5-Band SF Bay Tour - High591.11.0150
Chicago-Mac Upwind0.8733
Chicago-Mac All Purpose0.9054
Chicago-Mac Downwind0.9335
Bayview-Mac Cove Island0.6774
Bayview-Mac Shore0.6823
Harvest Moon Regatta510.41.1756
ORC Ref  04590003W88Issued on 30/07/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
PYK 2TUR 25003
Turkiye
Sailing
Federation
www.tyf.org.tr/
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPLATU 25 ODMeasurement23/03/2019HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.530Max. Beam2.580Draft1.592Displacement1,232Wetted area10.45IMS L6.987LSM06.567Acc. length7.530Sink (kg/mm) 7.61
VCGD-0.318VCGM-0.318RM Rated (kg·m) 23.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight378Declared crew weight355
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P9.410IG9.105ISP9.696MDT10.082MDL10.120MDT20.062MDL20.078TL2.340MW0.121GO0.131
E3.650J2.615BAS1.210FSD0.000SFJ0.000SPL3.322WPLTPS0.000BD0.096MWT35.50MCG4.200
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date30/07/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04590003W88Issued on 30/07/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
PYK 2TUR 25003
Turkiye
Sailing
Federation
www.tyf.org.tr/
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.170.761.372.373.0920.5525/08/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.080.410.731.432.092.729.15NoNo 12.8825/08/2021B2.358.63NoNo 10.3225/08/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA9.539.539.535.625.6544.6825/08/2021B9.499.499.495.555.1343.2325/08/2021BLUE
ORC Ref  04590003W88Issued on 30/07/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org