Club
Certificate
Non Spinnaker
2024

Boat

GLORY

US 502

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 Angles44.8°42.8°41.5°41.3°41.5°41.4°41.8°43.4°
Beat VMG2.933.553.984.274.414.484.504.41
52°4.545.375.946.316.506.596.676.66
60°4.815.636.196.556.746.856.956.97
75°5.015.856.416.756.997.177.397.49
90°4.955.836.456.837.117.367.788.02
110°4.565.486.186.656.987.267.808.28
120°4.235.185.926.466.837.127.678.19
135°3.654.635.426.066.556.897.468.01
150°3.204.164.985.676.256.677.267.82
Run VMG2.823.714.535.245.866.377.047.59
Gybe Angles165.1°171.2°180.0°180.0°180.0°180.0°180.0°180.0°
APH ToD:654.1CDL: 7.498APH ToT: 0.9173CertNo:US7315
BOAT
ClassNonsuch 30DesignerBuilderHINTERHOELLERAge date01/1989Series date01/1978Offset fileUS16951.OFFData fileUS502-21NS
HULL
Length Overall9.214 mMaximum Beam3.602 mDraft1.553 mDisplacement5,796 kgDLR8.1644IMS DivisionCruiser/RacerDynamic Allowance0.510%Age Allowance0.487%
PROPELLER
InstallationPIPA entered directlyTypeN/APIPA0.0020
CREW
Maximum weight476 kg(declared)Minimum weight346 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedQuad. Mainsail54.3954.54Headsail Luffed0.000.00Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
TrysailStorm Jib4.38Heavy Weather Jib11.83
SAIL LIMITS
Headsails5  Spinnakers0 * No spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Whishbone
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  04560003ABUIssued on 10/06/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2024

Boat

GLORY

US 502

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 VMG1228.41014.5903.9843.5816.8804.3799.7817.2
52°792.4671.0606.2570.1553.6546.3539.9540.8
60°748.0640.0581.4549.8533.8525.8518.1516.2
75°719.0615.8561.8533.2514.9501.8487.4480.8
90°726.6617.2558.4527.2506.5489.1462.5449.1
110°790.0657.1582.5541.1516.0496.1461.7434.6
120°850.3695.0608.5557.1527.2505.8469.3439.5
135°986.2777.7664.8593.7549.7522.5482.7449.5
150°1126.0865.7723.4635.1576.3539.8495.8460.6
Run VMG1277.4969.2795.2687.5614.7565.1511.2474.0
Selected Courses
Windward / Leeward1252.9991.9849.5765.5715.7684.7655.5645.6
All purpose960.9780.5683.2626.6593.5572.6548.0535.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward805.80.7446
All purpose654.10.9173
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6551
Downwind "popa"0.7749
70% up, 30% down "Ilhabela"0.6870
30% up, 70% down "Ilhabela-inverso"0.7346
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Predominantly Upwind702.00.8547
Predominantly Downwind674.40.8897
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low870.70.6891
Triple Number AP Medium650.10.9229
Triple Number AP High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Single Number Predominant Upwind700.00.8572
Single Number Predominant Reaching625.20.9598
Single Number Predominant Downwind675.80.8879
Predominant Upwind - Low942.70.6365
Predominant Upwind - Low/Med779.90.7693
Predominant Upwind - Medium675.70.8880
Predominant Upwind - Med/High622.80.9633
Predominant Upwind - High605.20.9914
Predominant Downwind Low989.40.6064
Predominant Downwind Low/Med783.90.7654
Predominant Downwind Medium645.20.9299
Predominant Downwind Med/High561.51.0685
Predominant Downwind High522.51.1482
Predominant Reaching Low858.20.6991
Predominant Reaching Low/Med704.00.8523
Predominant Reaching Medium602.40.9959
Predominant Reaching Med/High543.31.1044
Predominant Reaching High514.91.1652
SA/DSPL Upwind0.00SA/DSPL Downwind0.00
Scoring OptionTODTOT
5-Band Windward/Leeward Low1193.60.5027
5-Band Windward/Leeward Low/Med946.70.6338
5-Band Windward/Leeward Medium783.30.7660
5-Band Windward/Leeward Med/High691.80.8673
5-Band Windward/Leeward High658.80.9107
Windward/Leeward 60-40 Low1190.90.5038
Windward/Leeward 60-40 Low/Med953.70.6291
Windward/Leeward 60-40 Medium798.70.7513
Windward/Leeward 60-40 Med/High715.30.8389
Windward/Leeward 60-40 High687.80.8724
5-Band AP Low920.00.6522
5-Band AP Low/Med750.10.7999
5-Band AP Medium638.80.9392
5-Band AP Med/High576.51.0407
5-Band AP High550.11.0907
5-Band SF Bay Tour - Low1137.30.5276
5-Band SF Bay Tour - Low/Med910.70.6588
5-Band SF Bay Tour - Medium762.10.7873
5-Band SF Bay Tour - Med/High681.00.8811
5-Band SF Bay Tour - High651.90.9204
Chicago-Mac Upwind0.8370
Chicago-Mac All Purpose0.8543
Chicago-Mac Downwind0.8721
Bayview-Mac Cove Island0.7919
Bayview-Mac Shore0.8046
Harvest Moon Regatta558.91.0735
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance713.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6891
Triple Number Coastal/Long Distance Medium0.9230
Triple Number Coastal/Long Distance High1.0552
Triple Number Windward/Leeward Low0.5346
Triple Number Windward/Leeward Medium0.7501
Triple Number Windward/Leeward High0.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low870.7
Triple Number Coastal/Long Distance Medium650.1
Triple Number Coastal/Long Distance High568.6
Triple Number Windward/Leeward Low1122.3
Triple Number Windward/Leeward Medium799.9
Triple Number Windward/Leeward High681.5
Predominantly Upwind702.0
Predominantly Downwind674.4
Predominantly Reaching640.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6891
Triple Number Coastal/Long Distance Medium0.9230
Triple Number Coastal/Long Distance High1.0552
Triple Number Windward/Leeward Low0.5346
Triple Number Windward/Leeward Medium0.7501
Triple Number Windward/Leeward High0.8804
Coastal/Long Distance0.8413
Predominantly Upwind0.8547
Predominantly Downwind0.8897
For information
General Purpose Handicap (GPH)740.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6891
Tretall Distanseseilas Mellomvind0.9230
Tretall Distanseseilas Mye vind1.0552
Tretall Pølsebane Lite vind0.5346
Tretall Pølsebane Mellomvind0.7501
Tretall Pølsebane Mye vind0.8804
Distanseseilas ett tall0.9173
Enkeltall Motvind0.8547
Enkeltall Medvind0.8897
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Coastal/Long Distance713.20.8413
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind702.00.8547
Predominantly Downwind674.40.8897
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore648.60.9251
Cape Doctor Coastal539.21.1127
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6891
Triple Number Coastal/Long Distance Medium0.9230
Triple Number Coastal/Long Distance High1.0552
Triple Number Windward/Leeward Low0.5346
Triple Number Windward/Leeward Medium0.7501
Triple Number Windward/Leeward High0.8804
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6891
Triple Number Coastal/Long Distance Medium0.9230
Triple Number Coastal/Long Distance High1.0552
Triple Number Windward/Leeward Low0.5346
Triple Number Windward/Leeward Medium0.7501
Triple Number Windward/Leeward High0.8804
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Predominantly Upwind702.00.8547
Predominantly Downwind674.40.8897
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance713.20.8413
Triple Number Coastal/Long Distance Low870.70.6891
Triple Number Coastal/Long Distance Medium650.10.9230
Triple Number Coastal/Long Distance High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1255.3934.4768.2670.2616.5578.0520.0503.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low870.70.6891
Triple Number AP Medium650.10.9229
Triple Number AP High568.61.0552
Triple Number Windward/Leeward Low1122.30.5346
Triple Number Windward/Leeward Medium799.90.7501
Triple Number Windward/Leeward High681.50.8804
Single Number Predominant Upwind700.00.8572
Single Number Predominant Reaching625.20.9598
Single Number Predominant Downwind675.80.8879
Predominant Upwind - Low942.70.6365
Predominant Upwind - Low/Med779.90.7693
Predominant Upwind - Medium675.70.8880
Predominant Upwind - Med/High622.80.9633
Predominant Upwind - High605.20.9914
Predominant Downwind Low989.40.6064
Predominant Downwind Low/Med783.90.7654
Predominant Downwind Medium645.20.9299
Predominant Downwind Med/High561.51.0685
Predominant Downwind High522.51.1482
Predominant Reaching Low858.20.6991
Predominant Reaching Low/Med704.00.8523
Predominant Reaching Medium602.40.9959
Predominant Reaching Med/High543.31.1044
Predominant Reaching High514.91.1652
SA/DSPL Upwind0.00SA/DSPL Downwind0.00
Scoring OptionTODTOT
5-Band Windward/Leeward Low1193.60.5027
5-Band Windward/Leeward Low/Med946.70.6338
5-Band Windward/Leeward Medium783.30.7660
5-Band Windward/Leeward Med/High691.80.8673
5-Band Windward/Leeward High658.80.9107
Windward/Leeward 60-40 Low1190.90.5038
Windward/Leeward 60-40 Low/Med953.70.6291
Windward/Leeward 60-40 Medium798.70.7513
Windward/Leeward 60-40 Med/High715.30.8389
Windward/Leeward 60-40 High687.80.8724
5-Band AP Low920.00.6522
5-Band AP Low/Med750.10.7999
5-Band AP Medium638.80.9392
5-Band AP Med/High576.51.0407
5-Band AP High550.11.0907
5-Band SF Bay Tour - Low1137.30.5276
5-Band SF Bay Tour - Low/Med910.70.6588
5-Band SF Bay Tour - Medium762.10.7873
5-Band SF Bay Tour - Med/High681.00.8811
5-Band SF Bay Tour - High651.90.9204
Chicago-Mac Upwind0.8370
Chicago-Mac All Purpose0.8543
Chicago-Mac Downwind0.8721
Bayview-Mac Cove Island0.7919
Bayview-Mac Shore0.8046
Harvest Moon Regatta558.91.0735
ORC Ref  04560003ABUIssued on 10/06/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2024

Boat

GLORY

US 502

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassNonsuch 30MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.214Max. Beam3.602Draft1.553Displacement5,796Wetted area25.25IMS L8.727LSM08.920Acc. length9.214Sink (kg/mm) 19.16
VCGD0.311VCGM0.301RM Rated (kg·m) 122.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight585Declared crew weight476
PROPELLER
Propeller TypeEnter PIPA directly
Hydro generatorNo
PIPA0.0020
RIG
Forestay tensionInner stayMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders0Rotating mastNo
P13.899IGISPMDT10.150MDL10.210MDT2MDL2TLMWGO
EJ1.000BAS0.500FSDSFJSPLWPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date21/07/2021
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560003ABUIssued on 10/06/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2024

Boat

GLORY

US 502

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
QUADRILATERAL
IdQLEQHLQFLQCDQLMMastAreaMeas.DateCommentmain14.360.207.2514.457.32Main54.39
CRUISER/RACER REQUIREMENTS*
Accommodation length9.2 mTable area0.44 m²Headroom1.64 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity64 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity34 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.
ORC Ref  04560003ABUIssued on 10/06/2024Valid until 31/01/2025
VPP ver: 2024 1.00 | © ORC | www.orc.org