Club
Certificate
2024

Boat

SOAP OPERA

USA 16

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.8°41.0°39.3°39.0°38.8°38.7°39.3°42.0°
Beat VMG3.824.604.945.095.165.215.215.01
52°5.866.767.107.277.367.447.517.44
60°6.196.987.367.567.697.807.927.89
75°6.427.147.658.018.238.438.718.81
90°6.327.127.708.278.759.089.6510.04
110°5.927.047.748.288.729.2210.5911.60
120°5.786.977.748.519.229.7910.8811.82
135°5.196.517.338.129.0410.1212.3014.03
150°4.335.436.507.338.058.8911.1114.23
Run VMG3.754.715.636.407.027.709.6212.33
Gybe Angles139.1°138.5°148.3°154.7°156.1°150.1°146.3°147.4°
APH ToD:526.6CDL: 9.044APH ToT: 1.1394CertNo:US7522
BOAT
ClassHOBIE 33DesignerHOBIE ALTERBuilderHOBIEAge date05/1983Series date05/1982Offset fileUS17666.OFFData fileUS6224
HULL
Length Overall9.933 mMaximum Beam2.451 mDraft1.617 mDisplacement1,828 kgDLR2.5695IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight400 kg(declared)Minimum weight270 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail26.6227.32Headsail Luffed27.7927.79Headsail FlyingSymmetric67.7667.76Asymmetric
STORM SAIL AREAS (m²)
Trysail7.12Storm Jib5.33Heavy Weather Jib14.38
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  03330003EJ1Issued on 01/10/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
2024

Boat

SOAP OPERA

USA 16

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG942.4782.8729.1707.8697.9691.5691.6719.1
52°614.5532.6507.0495.4489.0484.0479.5484.1
60°581.7515.6489.4476.0468.0461.5454.4456.0
75°560.9503.9470.9449.2437.2427.2413.4408.6
90°570.0505.5467.4435.5411.7396.5373.1358.4
110°608.4511.4465.4434.7412.8390.4339.8310.3
120°623.2516.2465.1423.2390.5367.8331.0304.6
135°694.2552.8490.9443.3398.1355.9292.6256.6
150°831.5662.4554.0491.0447.3405.1324.0252.9
Run VMG960.2764.9639.8562.2513.1467.7374.2292.0
Selected Courses
Windward / Leeward951.3773.8684.4635.0605.5579.6532.9505.5
All purpose728.0606.6547.9512.5488.6468.0433.3414.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward658.00.9118
All purpose526.61.1394
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8011
Downwind "popa"0.9809
70% up, 30% down "Ilhabela"0.8477
30% up, 70% down "Ilhabela-inverso"0.9190
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Predominantly Upwind573.21.0468
Predominantly Downwind529.51.1332
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low667.30.8991
Triple Number AP Medium526.21.1402
Triple Number AP High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Single Number Predominant Upwind571.11.0507
Single Number Predominant Reaching496.91.2074
Single Number Predominant Downwind531.31.1293
Predominant Upwind - Low722.00.8310
Predominant Upwind - Low/Med618.80.9696
Predominant Upwind - Medium559.11.0732
Predominant Upwind - Med/High523.71.1456
Predominant Upwind - High505.41.1872
Predominant Downwind Low739.50.8113
Predominant Downwind Low/Med606.50.9893
Predominant Downwind Medium513.71.1680
Predominant Downwind Med/High440.61.3619
Predominant Downwind High386.31.5533
Predominant Reaching Low649.50.9239
Predominant Reaching Low/Med551.71.0875
Predominant Reaching Medium484.71.2380
Predominant Reaching Med/High432.31.3878
Predominant Reaching High398.01.5075
SA/DSPL Upwind36.32SA/DSPL Downwind63.00
Scoring OptionTODTOT
5-Band Windward/Leeward Low911.00.6586
5-Band Windward/Leeward Low/Med747.90.8022
5-Band Windward/Leeward Medium645.30.9299
5-Band Windward/Leeward Med/High580.81.0331
5-Band Windward/Leeward High536.21.1189
Windward/Leeward 60-40 Low910.00.6593
Windward/Leeward 60-40 Low/Med753.60.7962
Windward/Leeward 60-40 Medium659.10.9103
Windward/Leeward 60-40 Med/High603.40.9944
Windward/Leeward 60-40 High568.21.0559
5-Band AP Low700.40.8566
5-Band AP Low/Med589.91.0171
5-Band AP Medium518.51.1571
5-Band AP Med/High469.41.2783
5-Band AP High436.01.3760
5-Band SF Bay Tour - Low862.50.6956
5-Band SF Bay Tour - Low/Med713.00.8416
5-Band SF Bay Tour - Medium620.60.9668
5-Band SF Bay Tour - Med/High562.11.0675
5-Band SF Bay Tour - High523.71.1457
Chicago-Mac Upwind1.0285
Chicago-Mac All Purpose1.0674
Chicago-Mac Downwind1.1102
Bayview-Mac Cove Island1.0009
Bayview-Mac Shore1.0110
Harvest Moon Regatta439.61.3648
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance574.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8991
Triple Number Coastal/Long Distance Medium1.1403
Triple Number Coastal/Long Distance High1.3040
Triple Number Windward/Leeward Low0.6956
Triple Number Windward/Leeward Medium0.9151
Triple Number Windward/Leeward High1.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low667.3
Triple Number Coastal/Long Distance Medium526.2
Triple Number Coastal/Long Distance High460.1
Triple Number Windward/Leeward Low862.6
Triple Number Windward/Leeward Medium655.7
Triple Number Windward/Leeward High568.6
Predominantly Upwind573.2
Predominantly Downwind529.5
Predominantly Reaching504.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8991
Triple Number Coastal/Long Distance Medium1.1403
Triple Number Coastal/Long Distance High1.3040
Triple Number Windward/Leeward Low0.6956
Triple Number Windward/Leeward Medium0.9151
Triple Number Windward/Leeward High1.0553
Coastal/Long Distance1.0445
Predominantly Upwind1.0468
Predominantly Downwind1.1332
For information
General Purpose Handicap (GPH)589.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8991
Tretall Distanseseilas Mellomvind1.1403
Tretall Distanseseilas Mye vind1.3040
Tretall Pølsebane Lite vind0.6956
Tretall Pølsebane Mellomvind0.9151
Tretall Pølsebane Mye vind1.0553
Distanseseilas ett tall1.1394
Enkeltall Motvind1.0468
Enkeltall Medvind1.1332
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Coastal/Long Distance574.41.0445
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind573.21.0468
Predominantly Downwind529.51.1332
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore513.71.1679
Cape Doctor Coastal420.21.4280
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8991
Triple Number Coastal/Long Distance Medium1.1403
Triple Number Coastal/Long Distance High1.3040
Triple Number Windward/Leeward Low0.6956
Triple Number Windward/Leeward Medium0.9151
Triple Number Windward/Leeward High1.0553
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8991
Triple Number Coastal/Long Distance Medium1.1403
Triple Number Coastal/Long Distance High1.3040
Triple Number Windward/Leeward Low0.6956
Triple Number Windward/Leeward Medium0.9151
Triple Number Windward/Leeward High1.0553
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Predominantly Upwind573.21.0468
Predominantly Downwind529.51.1332
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance574.41.0445
Triple Number Coastal/Long Distance Low667.30.8991
Triple Number Coastal/Long Distance Medium526.21.1403
Triple Number Coastal/Long Distance High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance952.2729.0617.0548.8507.4471.2409.9388.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low667.30.8991
Triple Number AP Medium526.21.1402
Triple Number AP High460.11.3040
Triple Number Windward/Leeward Low862.60.6956
Triple Number Windward/Leeward Medium655.70.9151
Triple Number Windward/Leeward High568.61.0553
Single Number Predominant Upwind571.11.0507
Single Number Predominant Reaching496.91.2074
Single Number Predominant Downwind531.31.1293
Predominant Upwind - Low722.00.8310
Predominant Upwind - Low/Med618.80.9696
Predominant Upwind - Medium559.11.0732
Predominant Upwind - Med/High523.71.1456
Predominant Upwind - High505.41.1872
Predominant Downwind Low739.50.8113
Predominant Downwind Low/Med606.50.9893
Predominant Downwind Medium513.71.1680
Predominant Downwind Med/High440.61.3619
Predominant Downwind High386.31.5533
Predominant Reaching Low649.50.9239
Predominant Reaching Low/Med551.71.0875
Predominant Reaching Medium484.71.2380
Predominant Reaching Med/High432.31.3878
Predominant Reaching High398.01.5075
SA/DSPL Upwind36.32SA/DSPL Downwind63.00
Scoring OptionTODTOT
5-Band Windward/Leeward Low911.00.6586
5-Band Windward/Leeward Low/Med747.90.8022
5-Band Windward/Leeward Medium645.30.9299
5-Band Windward/Leeward Med/High580.81.0331
5-Band Windward/Leeward High536.21.1189
Windward/Leeward 60-40 Low910.00.6593
Windward/Leeward 60-40 Low/Med753.60.7962
Windward/Leeward 60-40 Medium659.10.9103
Windward/Leeward 60-40 Med/High603.40.9944
Windward/Leeward 60-40 High568.21.0559
5-Band AP Low700.40.8566
5-Band AP Low/Med589.91.0171
5-Band AP Medium518.51.1571
5-Band AP Med/High469.41.2783
5-Band AP High436.01.3760
5-Band SF Bay Tour - Low862.50.6956
5-Band SF Bay Tour - Low/Med713.00.8416
5-Band SF Bay Tour - Medium620.60.9668
5-Band SF Bay Tour - Med/High562.11.0675
5-Band SF Bay Tour - High523.71.1457
Chicago-Mac Upwind1.0285
Chicago-Mac All Purpose1.0674
Chicago-Mac Downwind1.1102
Bayview-Mac Cove Island1.0009
Bayview-Mac Shore1.0110
Harvest Moon Regatta439.61.3648
ORC Ref  03330003EJ1Issued on 01/10/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
2024

Boat

SOAP OPERA

USA 16

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassHOBIE 33MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.933Max. Beam2.451Draft1.617Displacement1,828Wetted area15.36IMS L9.187LSM08.926Acc. length7.964Sink (kg/mm) 11.70
VCGD-0.465VCGM-0.464RM Rated (kg·m) 49.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight585Declared crew weight400
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders1Rotating mastNo
P10.668IG10.311ISP11.125MDT10.094MDL10.146MDT20.094MDL20.064TL2.377MW0.146GO0.149
E3.810J3.773BAS1.134FSD0.026SFJ0.494SPL4.042WPLTPS0.000BD0.101MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered49.5Flotation Date26/09/2017
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03330003EJ1Issued on 01/10/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
2024

Boat

SOAP OPERA

USA 16

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1246431.001.311.802.623.2026.62
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment155%0.080.701.372.744.225.799.85NoNo 27.7919/09/2024Genoa140%0.050.671.262.553.855.1510.45NoNo 26.8322/09/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment.7511.1711.1711.177.366.9667.76
ORC Ref  03330003EJ1Issued on 01/10/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org