International
Certificate
2023

Boat

MIRJAM

POL 000N5P

Polski Związek Żeglarski
al. ks. J.Poniatowskiego 1
03-901 Warszawa, Polska
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.6°40.2°39.4°38.4°38.4°38.7°39.6°
Beat VMG3.924.494.744.904.964.994.94
52°5.956.606.887.027.127.177.19
60°6.296.887.147.277.387.467.54
75°6.597.147.477.707.847.978.15
90°6.617.237.658.028.298.488.78
110°6.237.037.608.098.558.999.75
120°5.977.027.658.228.759.3110.43
135°5.386.657.428.108.819.5911.26
150°4.575.756.727.437.968.5110.36
Run VMG3.964.985.826.436.957.488.97
Gybe Angles144.2°147.8°149.2°150.5°170.0°174.8°143.9°

APH: 536.6

CDL: 8.706

GPH: 593.5

CertNo: 60s1

BOAT
ClassCaravela 950DesignerEdward BanaszakBuilderCaravela BoatbuildAge date12/2020Series date10/2017Offset filecaravela950_2023.offData filePOL21492
HULL
Length Overall9.490 mMaximum Beam3.300 mDraft2.189 mDisplacement3,328 kgDLR4.2412IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.195%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.406m
CREW
Maximum weight80 kgMinimum weight80 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.1941.73Headsail Luffed23.3423.34Headsail Flying58.6058.60Symmetric74.4474.44Asymmetric108.67108.67 (2 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail10.34Storm Jib8.22Heavy Weather Jib22.18
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment95.0 kg·mStability Index111.2
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  04410002QWDIssued on 01/08/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

MIRJAM

POL 000N5P

Polski Związek Żeglarski
al. ks. J.Poniatowskiego 1
03-901 Warszawa, Polska
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG919.1802.6758.9735.4725.4721.4729.3
52°605.4545.2523.1512.9505.8502.1500.5
60°572.6523.1504.0495.1487.9482.4477.5
75°546.0504.3481.6467.7459.2451.7441.5
90°544.3497.7470.6448.7434.3424.5410.0
110°578.0512.1473.9445.2421.1400.4369.4
120°602.6513.0470.9437.7411.2386.7345.0
135°668.9541.6485.0444.5408.6375.4319.6
150°787.2626.5535.5484.6452.1423.0347.5
Run VMG909.0723.4618.4559.5518.2481.2401.3
Selected Courses
Windward / Leeward914.1763.0688.6647.4621.8601.3565.3
All purpose701.7602.3554.2524.9504.9488.8461.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward666.70.8999
All purpose536.61.1182
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7789
Downwind "popa"0.9974
70% up, 30% down "Ilhabela"0.8337
30% up, 70% down "Ilhabela-inverso"0.9200
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Predominantly Upwind587.01.0221
Predominantly Downwind531.81.1283
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low652.00.9203
Triple Number All Purpose Medium536.11.1192
Triple Number All Purpose High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Predominantly Upwind587.01.0221
Predominantly Downwind531.81.1283
Predominantly Upwind Low724.00.8287
Predominantly Upwind Medium617.30.9719
Predominantly Upwind High592.91.0119
Predominantly Downwind Low712.80.8417
Predominantly Downwind Medium527.71.1371
Predominantly Downwind High432.91.3860
Chicago-Mac Upwind1.0051
Chicago-Mac All Purpose1.0542
Chicago-Mac Downwind1.1087
Bayview-Mac Cove Island1.0004
Bayview-Mac Shore1.0028
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching501.31.1968
Predominantly Reaching Low588.71.0191
Predominantly Reaching Medium497.61.2058
Predominantly Reaching High437.61.3712
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low902.40.6649
5-Band Low / Medium780.40.7688
5-Band Medium655.80.9150
5-Band Medium / High602.60.9957
5-Band High571.51.0498
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance584.0
Triple Number Coastal/Long Distance Low652.0
Triple Number Coastal/Long Distance Medium536.1
Triple Number Coastal/Long Distance High482.6
Triple Number Windward/Leeward Low838.5
Triple Number Windward/Leeward Medium664.4
Triple Number Windward/Leeward High592.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9203
Triple Number Coastal/Long Distance Medium1.1192
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.7156
Triple Number Windward/Leeward Medium0.9031
Triple Number Windward/Leeward High1.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low652.0
Triple Number Coastal/Long Distance Medium536.1
Triple Number Coastal/Long Distance High482.6
Triple Number Windward/Leeward Low838.5
Triple Number Windward/Leeward Medium664.4
Triple Number Windward/Leeward High592.9
Predominantly Upwind587.0
Predominantly Downwind531.8
Predominantly Reaching510.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9203
Triple Number Coastal/Long Distance Medium1.1192
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.7156
Triple Number Windward/Leeward Medium0.9031
Triple Number Windward/Leeward High1.0119
Coastal/Long Distance1.0275
Predominantly Upwind1.0221
Predominantly Downwind1.1283
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9203
Tretall Distanseseilas Mellomvind1.1192
Tretall Distanseseilas Mye vind1.2433
Tretall Pølsebane Lite vind0.7156
Tretall Pølsebane Mellomvind0.9031
Tretall Pølsebane Mye vind1.0119
Distanseseilas ett tall (OSN 8-16kn)1.0275
Distanseseilas ett tall (APH 6-20kn)1.1182
Enkeltall Motvind1.0221
Enkeltall Medvind1.1283
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Coastal/Long Distance584.01.0275
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind587.01.0221
Predominantly Downwind531.81.1283
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore576.11.0415
Cape Doctor Coastal469.71.2774
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9203
Triple Number Coastal/Long Distance Medium1.1192
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.7156
Triple Number Windward/Leeward Medium0.9031
Triple Number Windward/Leeward High1.0119
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9203
Triple Number Coastal/Long Distance Medium1.1192
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.7156
Triple Number Windward/Leeward Medium0.9031
Triple Number Windward/Leeward High1.0119
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Predominantly Upwind587.01.0221
Predominantly Downwind531.81.1283
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.01.0275
Triple Number Coastal/Long Distance Low652.00.9203
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance913.5718.4622.0562.0525.6493.4435.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low652.00.9203
Triple Number All Purpose Medium536.11.1192
Triple Number All Purpose High482.61.2433
Triple Number Windward/Leeward Low838.50.7156
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High592.91.0119
Predominantly Upwind587.01.0221
Predominantly Downwind531.81.1283
Predominantly Upwind Low724.00.8287
Predominantly Upwind Medium617.30.9719
Predominantly Upwind High592.91.0119
Predominantly Downwind Low712.80.8417
Predominantly Downwind Medium527.71.1371
Predominantly Downwind High432.91.3860
Chicago-Mac Upwind1.0051
Chicago-Mac All Purpose1.0542
Chicago-Mac Downwind1.1087
Bayview-Mac Cove Island1.0004
Bayview-Mac Shore1.0028
Harvest Moon Regatta455.31.3177
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy576.91.0400
San Francisco Bay Medium650.90.9218
Predominantly Reaching501.31.1968
Predominantly Reaching Low588.71.0191
Predominantly Reaching Medium497.61.2058
Predominantly Reaching High437.61.3712
Windward/Leeward 60-40 Low843.00.7118
Windward/Leeward 60-40 Medium692.20.8668
Windward/Leeward 60-40 High638.00.9405
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low902.40.6649
5-Band Low / Medium780.40.7688
5-Band Medium655.80.9150
5-Band Medium / High602.60.9957
5-Band High571.51.0498
ORC Ref  04410002QWDIssued on 01/08/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

MIRJAM

POL 000N5P

Polski Związek Żeglarski
al. ks. J.Poniatowskiego 1
03-901 Warszawa, Polska
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCaravela 950Measurement21/03/2021HINPlan reviewHull constructionCarbonCarbon RudderYesLight stanchionsNoTrim tabNo
LOA9.490Max. Beam3.300Draft2.189Displacement3,328Wetted area20.54IMS L9.165LSM09.223Acc. length9.490Sink (kg/mm) 17.01
VCGD0.023VCGM0.015RM Rated (kg·m) 95.0Limit of positive stability(°) 114.0Stability Index111.2BLR index1.0321
Water ballast weight400Water ballast LCG6.51Water ballast VCG0.90Water ballast TCG1.40
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.406PBW0.115PIPA0.0032
EDL2.006ST10.042ST20.180
ST30.180ST40.112ST50.241
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.000IG12.817ISP13.617MDT10.106MDL10.169MDT20.106MDL20.169TLMW0.169GO0.169
E4.920J4.005BAS1.417FSD0.037SFJ0.152SPL4.146WPLTPS5.525BD0.160MWT95.50MCG4.910
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date20/03/2021Measurer3/ORCCommentAZS Szczecin
SFFP0.707FFM1.219FF1.224LCFcl5.472SG1.0000
SAFP9.490FAM0.999FA1.006LCFsh5.769HBI1.139
W178.4W278.4W378.4W478.4LCFD
PD1277.2PD2277.2PD3282.0PD4282.0
WD4.270PLM9000.00GSA1.0RSA1.0RM94.3
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCG2MovableWater ballast PS/SB2007.180.901.401MovableWater ballast PS/SB2005.850.901.40Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Water plastic fresh water6008.310.202Diesel plastic diesel0.900070187.610.356Waste plastic4004.300.10Total deductible167.610.35
OTHER ITEMSIdKindDescriptionWeightLCGVCG1BatteryKontek type 200Ah Port233.440.003BatteryBavaria 40 Ah to engine on CL57.260.002BatteryKontek type 200Ah Starboard233.440.001EngineYanmar 2YM15 SDTotal deductible0
ORC Ref  04410002QWDIssued on 01/08/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

Boat

MIRJAM

POL 000N5P

Polski Związek Żeglarski
al. ks. J.Poniatowskiego 1
03-901 Warszawa, Polska
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment11.621.832.543.494.2240.1908/06/2018black laminate20.200.831.472.563.3829.9023/05/2019black laminat
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.071.152.244.326.247.9014.05NoYes058.6018/10/2017Code 0 laminate10.070.531.011.902.773.7512.32YesNo 23.3420/03/2021black laminate30.060.511.001.892.763.7612.28YesNo 23.1720/03/2021Black laminatJHW0.070.390.771.552.383.2312.54YesNo 19.9013/06/2018Black laminate42.708.50NoNo 11.6831/07/2023storm jib
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA112.7912.7912.797.036.8074.4423/05/20192019
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA215.3413.2214.289.089.3497%108.6708/06/2018A2, whiteA313.5511.9212.747.338.6685%80.6128/05/2022RedA213.5610.5212.045.466.4485%56.7512/05/2023
ORC Ref  04410002QWDIssued on 01/08/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org