Club
Certificate
2022

Boat

NEXUS

GRE-49044

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.6°41.1°40.2°38.8°37.8°37.9°38.1°
Beat VMG3.504.254.825.185.345.425.45
52°5.336.337.007.327.477.547.60
60°5.626.627.197.487.657.747.83
75°5.846.817.337.627.858.048.26
90°5.746.767.397.737.928.188.62
110°5.616.827.497.898.288.649.07
120°5.446.667.417.838.248.689.48
135°4.926.107.057.587.978.399.31
150°4.165.296.277.097.577.948.76
Run VMG3.614.585.446.206.827.348.06
Gybe Angles144.8°149.3°150.7°155.6°163.7°176.6°177.2°

APH: 546.1

CDL: 9.825

GPH: 614.6

CertNo: 00114

BOAT
ClassX-402 DK Mod.DesignerNIELS JEPPESENBuilderX-YACHTSAge date01/1985Series date02/1984Offset fileX402-GRE49044.offData fileGR49044
HULL
Length Overall12.090 mMaximum Beam3.974 mDraft2.258 mDisplacement6,942 kgDLR6.1851IMS DivisionCruiser/RacerDynamic Allowance0.230%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.460m
CREW
Maximum weight550 kgMinimum weight413 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.7433.11Headsail Luffed48.7448.74Headsail FlyingSymmetric107.87107.87Asymmetric96.7496.74 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.89Storm Jib12.46Heavy Weather Jib33.62
SAIL LIMITS
Headsails6  Spinnakers4 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment162.6 kg·mStability Index113.8
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  034200020BOIssued on 28/04/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
2022

Boat

NEXUS

GRE-49044

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1027.6847.7746.5695.3674.5664.1660.1
52°675.2568.4514.2492.0482.2477.5473.8
60°640.5544.1500.4481.3470.7465.0460.0
75°616.9528.3490.9472.1458.8448.0435.9
90°627.3532.3487.4465.6454.5440.2417.8
110°641.7527.5480.4456.3434.9416.8397.0
120°661.7540.9485.8459.7436.7414.7379.9
135°731.4589.8510.9475.0451.8428.9386.6
150°864.7680.8573.8507.9475.4453.5411.1
Run VMG998.4786.1662.1580.6528.2490.4446.6
Selected Courses
Windward / Leeward1013.0816.9704.3637.9601.3577.3553.3
All purpose780.8640.0565.3525.2502.7486.4465.4
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward670.20.8952
All purpose546.11.0987
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7901
Downwind "popa"0.9349
70% up, 30% down "Ilhabela"0.8286
30% up, 70% down "Ilhabela-inverso"0.8862
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Predominantly Upwind589.21.0183
Predominantly Downwind558.01.0752
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low710.40.8446
Triple Number All Purpose Medium542.51.1060
Triple Number All Purpose High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Predominantly Upwind589.21.0183
Predominantly Downwind558.01.0752
Predominantly Upwind Low788.80.7606
Predominantly Upwind Medium604.80.9921
Predominantly Upwind High560.21.0711
Predominantly Downwind Low778.80.7704
Predominantly Downwind Medium554.01.0830
Predominantly Downwind High461.21.3010
Chicago-Mac Upwind1.0001
Chicago-Mac All Purpose1.0248
Chicago-Mac Downwind1.0564
Bayview-Mac Cove Island0.9495
Bayview-Mac Shore0.9601
Victoria-Maui1.1294
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance594.8
Triple Number Coastal/Long Distance Low710.4
Triple Number Coastal/Long Distance Medium542.5
Triple Number Coastal/Long Distance High482.6
Triple Number Windward/Leeward Low914.9
Triple Number Windward/Leeward Medium665.9
Triple Number Windward/Leeward High574.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8446
Triple Number Coastal/Long Distance Medium1.1060
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.6558
Triple Number Windward/Leeward Medium0.9011
Triple Number Windward/Leeward High1.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low710.4
Triple Number Coastal/Long Distance Medium542.5
Triple Number Coastal/Long Distance High482.6
Triple Number Windward/Leeward Low914.9
Triple Number Windward/Leeward Medium665.9
Triple Number Windward/Leeward High574.3
Predominantly Upwind589.2
Predominantly Downwind558.0
Predominantly Reaching534.4
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8446
Triple Number Coastal/Long Distance Medium1.1060
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.6558
Triple Number Windward/Leeward Medium0.9011
Triple Number Windward/Leeward High1.0447
Coastal/Long Distance1.0087
Predominantly Upwind1.0183
Predominantly Downwind1.0752
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0087
Tretall Distanseseilas Lite vind0.8446
Tretall Distanseseilas Mellomvind1.1060
Tretall Distanseseilas Mye vind1.2433
Tretall Pølsebane Lite vind0.6558
Tretall Pølsebane Mellomvind0.9011
Tretall Pølsebane Mye vind1.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Coastal/Long Distance594.81.0087
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind589.21.0183
Predominantly Downwind558.01.0752
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore560.51.0705
Cape Doctor Coastal471.71.2721
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8446
Triple Number Coastal/Long Distance Medium1.1060
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.6558
Triple Number Windward/Leeward Medium0.9011
Triple Number Windward/Leeward High1.0447
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8446
Triple Number Coastal/Long Distance Medium1.1060
Triple Number Coastal/Long Distance High1.2433
Triple Number Windward/Leeward Low0.6558
Triple Number Windward/Leeward Medium0.9011
Triple Number Windward/Leeward High1.0447
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Predominantly Upwind589.21.0183
Predominantly Downwind558.01.0752
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.81.0087
Triple Number Coastal/Long Distance Low710.40.8446
Triple Number Coastal/Long Distance Medium542.51.1060
Triple Number Coastal/Long Distance High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1011.6768.4635.9559.6521.6491.9445.3
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low710.40.8446
Triple Number All Purpose Medium542.51.1060
Triple Number All Purpose High482.61.2433
Triple Number Windward/Leeward Low914.90.6558
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High574.31.0447
Predominantly Upwind589.21.0183
Predominantly Downwind558.01.0752
Predominantly Upwind Low788.80.7606
Predominantly Upwind Medium604.80.9921
Predominantly Upwind High560.21.0711
Predominantly Downwind Low778.80.7704
Predominantly Downwind Medium554.01.0830
Predominantly Downwind High461.21.3010
Chicago-Mac Upwind1.0001
Chicago-Mac All Purpose1.0248
Chicago-Mac Downwind1.0564
Bayview-Mac Cove Island0.9495
Bayview-Mac Shore0.9601
Harvest Moon Regatta482.41.2438
Victoria-Maui1.1294
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low997.90.6013
5-Band Low / Medium834.30.7192
5-Band Medium652.80.9192
5-Band Medium / High582.41.0302
5-Band High557.51.0763
ORC Ref  034200020BOIssued on 28/04/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
2022

Boat

NEXUS

GRE-49044

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-402 DK Mod.Measurement25/06/2007HINPlan reviewHull constructionSolidAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.090Max. Beam3.974Draft2.258Displacement6,942Wetted area29.18IMS L10.425LSM010.391Acc. length12.090Sink (kg/mm) 21.92
VCGD0.050VCGM0.038RM Measured (kg·m) 162.6RM Default (kg·m) 157.4Limit of positive stability(°) 113.6Stability Index113.8
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.460PBW0.146PIPA0.0046
PSD0.030PHD0.058PHL0.140
PSA19.2°ESL0.875
ST10.032ST20.110ST30.147
ST40.055ST50.250
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders3
P14.050IG15.780ISP15.800MDT10.115MDL10.230MDT2MDL2TLNo TaperMWGO
E4.020J4.660BAS1.620FSD0.040SFJ0.000SPL4.700WPLTPS5.530BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date13/05/2021MeasurerGRE-21Comment
SFFP0.490FFM1.200FF1.202LCFcl6.567SG
SAFP10.570FAM0.996FA0.997LCFsh6.858HBI1.112
W1137.4W2137.4W3137.4W4137.4LCFD6.400
PD1266.0PD2268.3PD3270.7PD4260.1
WD4.000PLM9000.00GSA1.0RSA1.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel Inox S0.900090305.800.102Water Inox P5004.503Water Inox P20005.904Water Bag S10005.30Total deductible275.800.10
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousMelamine covers 3mm x 1.77 x 2.50127.002MiscellaneousAnchor Windlass Lewmar Sprint150.803MiscellaneousAuto Pilot B&G Mechanism (RAM)1510.504MiscellaneousPSU VHF57.205MiscellaneousPSU VHF57.006MiscellaneousΔελφινιέρα Inox 5Φ100.007MiscellaneousVHF AIS87.008MiscellaneousVHF57.009MiscellaneousFridge Compressor Water Cooled204.5010MiscellaneousInverter55.0011MiscellaneousGenoa Furler0.0012MiscellaneousStern platform + Ladder Inox + Wood12.001Battery2x100Ah + 1x75Ah P4.202Battery2x100Ah S5.201EngineBuhk 36 Hp2Deck Gear4.66Total deductible0
ORC Ref  034200020BOIssued on 28/04/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
2022

Boat

NEXUS

GRE-49044

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment20.140.841.462.473.2932.7404/04/2018KAKITSISDacron10.170.771.362.363.1831.6017/07/2012Dacron
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment20.090.841.613.194.806.3615.22NoNo 48.7421/05/2021KAKITSISPentex30.080.500.961.983.174.3314.16NoNo 29.5321/05/2021KAKITSISDacron
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialComment215.5715.5715.578.407.97107.8722/04/2022KAKITSISNylon115.5315.5415.548.327.96106.7822/04/2022KAKITSISNylon
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentA115.5014.4915.007.727.8399%96.7412/09/2020KAKITSISNylon
ORC Ref  034200020BOIssued on 28/04/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org