Non Spin/HSFClub Certificate2025
CORDELIAUSA 218
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 Angles43.3°43.3°41.5°40.3°39.1°38.6°38.3°38.2°39.1°
Beat VMG2.373.223.864.334.644.804.894.964.88
52°3.684.905.746.276.576.746.856.926.90
60°3.895.155.966.446.716.897.017.117.11
75°4.015.296.116.576.847.047.197.407.47
90°3.905.186.046.556.857.067.247.547.76
110°3.364.615.596.336.767.057.287.708.08
120°3.184.405.396.166.666.987.237.688.13
135°2.763.924.925.726.356.757.037.487.90
150°2.283.334.274.935.576.126.527.087.51
Run VMG1.992.883.694.415.105.726.246.917.35
Gybe Angles144.0°144.0°145.0°169.9°171.2°172.1°173.7°176.4°176.6°
APH ToD:631.4CDL: 8.051APH ToT: 0.9503CertNo:US218
BOAT
ClassEricson 35-3DesignerKING, BruceBuilderERICSONAge dateSeries date01/1985Offset fileUS18736.OFFData fileUSA218
HULL
Length Overall10.788 mMaximum Beam3.456 mDraft1.904 mDisplacement6,471 kgDLR10.4667IMS DivisionCruiser/RacerDynamic Allowance0.560%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.000m
CREW
Maximum weight548 kg(default)Minimum weight418 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail24.5224.77Headsail Luffed43.6943.69Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail7.67Storm Jib9.91Heavy Weather Jib26.74
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
Spinnakers0
✱ No spinnaker pole aboard
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.
Non Spin/HSFClub Certificate2025
CORDELIAUSA 218
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 VMG1517.91117.3932.7831.8775.9749.3735.6726.2737.5
52°979.5734.7627.7574.3548.2533.9525.8520.0521.6
60°925.1699.3603.6558.9536.3522.7513.9506.4506.0
75°897.4680.2589.2547.8526.1511.7500.9486.6481.8
90°924.0694.6595.8549.3525.4509.7497.2477.4464.1
110°1071.7780.7643.8568.9532.2510.7494.3467.5445.5
120°1131.2817.7668.1584.0540.4515.8498.0468.9442.9
135°1306.0919.2732.0629.1567.0533.0511.9481.0455.7
150°1580.21080.9844.0730.0646.0588.1551.8508.8479.6
Run VMG1805.31248.2974.6816.1705.3629.0576.7521.3489.8
Selected Courses
Windward / Leeward1658.91182.7953.6824.0740.6689.1656.1623.8613.6
All purpose1252.6906.6744.6658.9607.3576.5556.6533.7522.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward776.10.7731
All purpose631.40.9503
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance690.50.8689
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7157
Downwind "popa"0.7677
70% up, 30% down "Ilhabela"0.7305
30% up, 70% down "Ilhabela-inverso"0.7513
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Predominantly Upwind666.00.9009
Predominantly Downwind658.80.9107
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low825.60.7267
Triple Number AP Medium628.30.9549
Triple Number AP High553.01.0850
Triple Number Windward/Leeward Low1114.60.5383
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Single Number Predominant Upwind691.10.8682
Single Number Predominant Reaching629.30.9534
Single Number Predominant Downwind690.40.8691
Predominant Upwind - Low957.50.6266
Predominant Upwind - Low/Med734.70.8166
Predominant Upwind - Medium642.90.9333
Predominant Upwind - Med/High594.61.0091
Predominant Upwind - High577.61.0388
Predominant Downwind Low1039.00.5775
Predominant Downwind Low/Med758.80.7907
Predominant Downwind Medium632.60.9485
Predominant Downwind Med/High554.91.0813
Predominant Downwind High519.51.1549
Predominant Reaching Low885.40.6777
Predominant Reaching Low/Med673.40.8910
Predominant Reaching Medium585.01.0256
Predominant Reaching Med/High534.71.1221
Predominant Reaching High511.01.1741
SA/DSPL Upwind19.52SA/DSPL Downwind19.52
Scoring OptionTODTOT
5-Band Windward/Leeward Low1245.20.4819
5-Band Windward/Leeward Low/Med910.20.6592
5-Band Windward/Leeward Medium756.60.7930
5-Band Windward/Leeward Med/High663.40.9045
5-Band Windward/Leeward High627.60.9560
Windward/Leeward 60-40 Low1230.40.4876
Windward/Leeward 60-40 Low/Med908.40.6605
Windward/Leeward 60-40 Medium763.40.7860
Windward/Leeward 60-40 Med/High678.60.8841
Windward/Leeward 60-40 High648.00.9259
5-Band AP Low922.00.6508
5-Band AP Low/Med718.00.8357
5-Band AP Medium618.00.9709
5-Band AP Med/High560.41.0707
5-Band AP High535.71.1201
5-Band SF Bay Tour - Low1069.20.5612
5-Band SF Bay Tour - Low/Med867.30.6918
5-Band SF Bay Tour - Medium729.90.8221
5-Band SF Bay Tour - Med/High649.90.9233
5-Band SF Bay Tour - High619.50.9686
Chicago-Mac Upwind0.8395
Chicago-Mac All Purpose0.8410
Chicago-Mac Downwind0.8336
Bayview-Mac Cove Island0.6094
Bayview-Mac Shore0.6162
Harvest Moon Regatta554.51.0821
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance690.50.8689
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance690.50.8689
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance690.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating680.80.8813
FinRating, kevyt tuuli1224.90.8164
FinRating, kova tuuli541.70.9230
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8689
Triple Number Coastal/Long Distance Low0.7267
Triple Number Coastal/Long Distance Medium0.9551
Triple Number Coastal/Long Distance High1.0850
Triple Number Windward/Leeward Low0.5617
Triple Number Windward/Leeward Medium0.7759
Triple Number Windward/Leeward High0.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
For information
General Purpose Handicap (GPH)711.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance690.50.8689
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance690.50.8689
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance690.50.8689
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low825.7
Triple Number Coastal/Long Distance Medium628.2
Triple Number Coastal/Long Distance High553.0
Triple Number Windward/Leeward Low1068.2
Triple Number Windward/Leeward Medium773.3
Triple Number Windward/Leeward High652.2
Predominantly Upwind666.0
Predominantly Downwind658.8
Predominantly Reaching622.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance690.50.8689
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7267
Triple Number Coastal/Long Distance Medium0.9551
Triple Number Coastal/Long Distance High1.0850
Triple Number Windward/Leeward Low0.5617
Triple Number Windward/Leeward Medium0.7759
Triple Number Windward/Leeward High0.9199
Coastal/Long Distance0.8689
Predominantly Upwind0.9009
Predominantly Downwind0.9107
For information
General Purpose Handicap (GPH)711.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9503
Distanseseilas Trippeltall svak vind0.7267
Distanseseilas Trippeltall mellomvind0.9551
Distanseseilas Trippeltall sterk vind1.0850
Pølsebane Trippeltall svak vind0.5617
Pølsebane Trippeltall mellomvind0.7759
Pølsebane Trippeltall sterk vind0.9199
Motvind Singeltall0.9009
Medvind Singeltall0.9107
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Coastal/Long Distance690.50.8689
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind666.00.9009
Predominantly Downwind658.80.9107
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore616.70.9730
Cape Doctor Coastal525.81.1412
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7267
Triple Number Coastal/Long Distance Medium0.9551
Triple Number Coastal/Long Distance High1.0850
Triple Number Windward/Leeward Low0.5617
Triple Number Windward/Leeward Medium0.7759
Triple Number Windward/Leeward High0.9199
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7267
Triple Number Coastal/Long Distance Medium0.9551
Triple Number Coastal/Long Distance High1.0850
Triple Number Windward/Leeward Low0.5617
Triple Number Windward/Leeward Medium0.7759
Triple Number Windward/Leeward High0.9199
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance690.50.8689
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Predominantly Upwind666.00.9009
Predominantly Downwind658.80.9107
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance690.50.8689
Triple Number Coastal/Long Distance Low825.70.7267
Triple Number Coastal/Long Distance Medium628.20.9551
Triple Number Coastal/Long Distance High553.01.0850
Triple Number Windward/Leeward Low1068.20.5617
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1786.61189.3898.5744.0649.5599.6564.5515.0500.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low825.60.7267
Triple Number AP Medium628.30.9549
Triple Number AP High553.01.0850
Triple Number Windward/Leeward Low1114.60.5383
Triple Number Windward/Leeward Medium773.30.7759
Triple Number Windward/Leeward High652.20.9199
Single Number Predominant Upwind691.10.8682
Single Number Predominant Reaching629.30.9534
Single Number Predominant Downwind690.40.8691
Predominant Upwind - Low957.50.6266
Predominant Upwind - Low/Med734.70.8166
Predominant Upwind - Medium642.90.9333
Predominant Upwind - Med/High594.61.0091
Predominant Upwind - High577.61.0388
Predominant Downwind Low1039.00.5775
Predominant Downwind Low/Med758.80.7907
Predominant Downwind Medium632.60.9485
Predominant Downwind Med/High554.91.0813
Predominant Downwind High519.51.1549
Predominant Reaching Low885.40.6777
Predominant Reaching Low/Med673.40.8910
Predominant Reaching Medium585.01.0256
Predominant Reaching Med/High534.71.1221
Predominant Reaching High511.01.1741
SA/DSPL Upwind19.52SA/DSPL Downwind19.52
Scoring OptionTODTOT
5-Band Windward/Leeward Low1245.20.4819
5-Band Windward/Leeward Low/Med910.20.6592
5-Band Windward/Leeward Medium756.60.7930
5-Band Windward/Leeward Med/High663.40.9045
5-Band Windward/Leeward High627.60.9560
Windward/Leeward 60-40 Low1230.40.4876
Windward/Leeward 60-40 Low/Med908.40.6605
Windward/Leeward 60-40 Medium763.40.7860
Windward/Leeward 60-40 Med/High678.60.8841
Windward/Leeward 60-40 High648.00.9259
5-Band AP Low922.00.6508
5-Band AP Low/Med718.00.8357
5-Band AP Medium618.00.9709
5-Band AP Med/High560.41.0707
5-Band AP High535.71.1201
5-Band SF Bay Tour - Low1069.20.5612
5-Band SF Bay Tour - Low/Med867.30.6918
5-Band SF Bay Tour - Medium729.90.8221
5-Band SF Bay Tour - Med/High649.90.9233
5-Band SF Bay Tour - High619.50.9686
Chicago-Mac Upwind0.8395
Chicago-Mac All Purpose0.8410
Chicago-Mac Downwind0.8336
Bayview-Mac Cove Island0.6094
Bayview-Mac Shore0.6162
Harvest Moon Regatta554.51.0821
Non Spin/HSFClub Certificate2025
CORDELIAUSA 218
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassEricson 35-3MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.788Max. Beam3.456Draft1.904Displacement6,471Wetted area24.23IMS L8.693LSM08.518Acc. length10.788Sink (kg/mm) 17.08
VCGD-0.002VCGM-0.035RM Rated (kg·m) 118.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight548Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.000PBWPIPA0.0010
PSD0.026PHD0.044PHL0.181
PSA23.5°ESL
ST10.358ST20.044ST30.139
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P11.910IG14.021ISP14.086MDT10.123MDL10.184MDT20.117MDL20.133TL2.882MW0.133GO0.151
E3.677J4.823BAS1.681FSD0.029SFJ0.000SPLWPLTPS4.825BD0.151MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
CORDELIAUSA 218
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.170.681.222.162.9424.5228/01/2022166070
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment135%1.563.154.816.5013.56NoNo 43.6928/01/2022
CRUISER/RACER REQUIREMENTS*
Accommodation length10.8 mTable area0.55 m²Headroom1.75 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity120 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity66 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.