Double HandedClub Certificate2025
ALLONS-YM 4
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
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 Angles46.0°46.0°43.7°42.5°41.9°41.6°41.6°42.3°44.0°
Beat VMG2.373.304.044.554.844.975.024.994.83
52°3.805.166.176.837.197.367.447.477.39
60°4.115.526.517.127.467.647.727.797.75
75°4.365.806.777.367.707.928.078.238.30
90°4.275.736.747.387.768.048.268.618.82
110°3.955.486.687.457.908.258.558.969.25
120°3.815.306.507.347.858.238.589.249.75
135°3.334.745.966.907.567.998.379.1310.04
150°2.744.015.186.197.017.608.008.749.55
Run VMG2.373.474.485.376.146.817.348.128.80
Gybe Angles145.3°145.3°149.4°152.8°156.7°163.3°169.1°178.1°177.7°
APH ToD:559.8CDL: 9.502APH ToT: 1.0718CertNo:2543
BOAT
ClassFirst 42 S7DesignerFarrBuilderBeneteauAge date01/1996Series date11/1993Offset fileFIRST42S7-SD.offData file2543
HULL
Length Overall12.688 mMaximum Beam4.130 mDraft1.790 mDisplacement8,255 kgDLR6.6531IMS DivisionCruiser/RacerDynamic Allowance0.340%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.300m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail42.9543.75Headsail Luffed42.5042.50Headsail FlyingSymmetric73.9981.03Asymmetric
STORM SAIL AREAS (m²)
Trysail13.07Storm Jib12.19Heavy Weather Jib32.90
SAIL LIMITS
Headsails5
✱ One set on the forestay
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.
Double HandedClub Certificate2025
ALLONS-YM 4
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
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 VMG1517.11091.3891.1790.7743.1724.5716.9720.7745.8
52°948.2697.2583.0526.9500.4489.2484.1481.7487.2
60°875.6652.1553.2505.4482.5471.3466.5462.3464.3
75°826.2620.7531.8489.4467.7454.8446.2437.6433.5
90°842.2628.3533.9487.8463.6447.9435.7418.2408.3
110°910.5656.7538.9483.2455.4436.5421.1401.8389.3
120°945.5679.2553.7490.5458.8437.5419.7389.8369.2
135°1081.9759.7604.2521.8476.5450.4430.2394.2358.5
150°1313.4898.9695.2582.0513.4474.0449.7412.1376.9
Run VMG1515.91037.9802.8670.3585.9528.8490.2443.3409.1
Selected Courses
Windward / Leeward1515.01064.6847.0730.5664.5626.6603.6582.0577.5
All purpose1132.0810.3658.0579.4537.0513.3498.2481.0473.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward698.20.8594
All purpose559.81.0718
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7397
Downwind "popa"0.9212
70% up, 30% down "Ilhabela"0.7861
30% up, 70% down "Ilhabela-inverso"0.8580
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Predominantly Upwind608.90.9853
Predominantly Downwind567.01.0583
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low734.20.8172
Triple Number AP Medium555.41.0804
Triple Number AP High495.51.2109
Triple Number Windward/Leeward Low1000.20.5999
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Single Number Predominant Upwind635.90.9435
Single Number Predominant Reaching554.91.0813
Single Number Predominant Downwind594.91.0086
Predominant Upwind - Low890.70.6736
Predominant Upwind - Low/Med671.90.8930
Predominant Upwind - Medium587.31.0217
Predominant Upwind - Med/High548.71.0934
Predominant Upwind - High538.01.1153
Predominant Downwind Low895.00.6704
Predominant Downwind Low/Med649.40.9239
Predominant Downwind Medium544.41.1021
Predominant Downwind Med/High482.41.2438
Predominant Downwind High450.61.3315
Predominant Reaching Low785.80.7635
Predominant Reaching Low/Med592.21.0132
Predominant Reaching Medium514.41.1663
Predominant Reaching Med/High471.81.2717
Predominant Reaching High450.31.3323
SA/DSPL Upwind20.77SA/DSPL Downwind28.43
Scoring OptionTODTOT
5-Band Windward/Leeward Low1123.10.5342
5-Band Windward/Leeward Low/Med811.00.7398
5-Band Windward/Leeward Medium679.30.8833
5-Band Windward/Leeward Med/High609.00.9853
5-Band Windward/Leeward High585.01.0257
Windward/Leeward 60-40 Low1128.10.5319
Windward/Leeward 60-40 Low/Med821.50.7304
Windward/Leeward 60-40 Medium695.00.8633
Windward/Leeward 60-40 Med/High631.40.9503
Windward/Leeward 60-40 High612.90.9790
5-Band AP Low812.70.7383
5-Band AP Low/Med634.90.9451
5-Band AP Medium546.91.0971
5-Band AP Med/High501.11.1973
5-Band AP High482.61.2433
5-Band SF Bay Tour - Low964.40.6222
5-Band SF Bay Tour - Low/Med775.50.7737
5-Band SF Bay Tour - Medium656.10.9145
5-Band SF Bay Tour - Med/High595.41.0077
5-Band SF Bay Tour - High574.91.0436
Chicago-Mac Upwind0.9130
Chicago-Mac All Purpose0.9449
Chicago-Mac Downwind0.9696
Bayview-Mac Cove Island0.6781
Bayview-Mac Shore0.6838
Harvest Moon Regatta478.01.2552
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance611.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating611.90.9806
FinRating, kevyt tuuli1101.10.9082
FinRating, kova tuuli484.91.0312
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9806
Triple Number Coastal/Long Distance Low0.8172
Triple Number Coastal/Long Distance Medium1.0805
Triple Number Coastal/Long Distance High1.2109
Triple Number Windward/Leeward Low0.6278
Triple Number Windward/Leeward Medium0.8667
Triple Number Windward/Leeward High0.9979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
For information
General Purpose Handicap (GPH)631.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low734.2
Triple Number Coastal/Long Distance Medium555.3
Triple Number Coastal/Long Distance High495.5
Triple Number Windward/Leeward Low955.7
Triple Number Windward/Leeward Medium692.3
Triple Number Windward/Leeward High601.3
Predominantly Upwind608.9
Predominantly Downwind567.0
Predominantly Reaching541.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8172
Triple Number Coastal/Long Distance Medium1.0805
Triple Number Coastal/Long Distance High1.2109
Triple Number Windward/Leeward Low0.6278
Triple Number Windward/Leeward Medium0.8667
Triple Number Windward/Leeward High0.9979
Coastal/Long Distance0.9806
Predominantly Upwind0.9853
Predominantly Downwind1.0583
For information
General Purpose Handicap (GPH)631.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0718
Distanseseilas Trippeltall svak vind0.8172
Distanseseilas Trippeltall mellomvind1.0805
Distanseseilas Trippeltall sterk vind1.2109
Pølsebane Trippeltall svak vind0.6278
Pølsebane Trippeltall mellomvind0.8667
Pølsebane Trippeltall sterk vind0.9979
Motvind Singeltall0.9853
Medvind Singeltall1.0583
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Coastal/Long Distance611.90.9806
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind608.90.9853
Predominantly Downwind567.01.0583
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore578.81.0366
Cape Doctor Coastal475.51.2618
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8172
Triple Number Coastal/Long Distance Medium1.0805
Triple Number Coastal/Long Distance High1.2109
Triple Number Windward/Leeward Low0.6278
Triple Number Windward/Leeward Medium0.8667
Triple Number Windward/Leeward High0.9979
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8172
Triple Number Coastal/Long Distance Medium1.0805
Triple Number Coastal/Long Distance High1.2109
Triple Number Windward/Leeward Low0.6278
Triple Number Windward/Leeward Medium0.8667
Triple Number Windward/Leeward High0.9979
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Predominantly Upwind608.90.9853
Predominantly Downwind567.01.0583
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance611.90.9806
Triple Number Coastal/Long Distance Low734.20.8172
Triple Number Coastal/Long Distance Medium555.31.0805
Triple Number Coastal/Long Distance High495.51.2109
Triple Number Windward/Leeward Low955.70.6278
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1613.31061.9794.4655.5575.4533.4502.4454.3443.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low734.20.8172
Triple Number AP Medium555.41.0804
Triple Number AP High495.51.2109
Triple Number Windward/Leeward Low1000.20.5999
Triple Number Windward/Leeward Medium692.30.8667
Triple Number Windward/Leeward High601.30.9979
Single Number Predominant Upwind635.90.9435
Single Number Predominant Reaching554.91.0813
Single Number Predominant Downwind594.91.0086
Predominant Upwind - Low890.70.6736
Predominant Upwind - Low/Med671.90.8930
Predominant Upwind - Medium587.31.0217
Predominant Upwind - Med/High548.71.0934
Predominant Upwind - High538.01.1153
Predominant Downwind Low895.00.6704
Predominant Downwind Low/Med649.40.9239
Predominant Downwind Medium544.41.1021
Predominant Downwind Med/High482.41.2438
Predominant Downwind High450.61.3315
Predominant Reaching Low785.80.7635
Predominant Reaching Low/Med592.21.0132
Predominant Reaching Medium514.41.1663
Predominant Reaching Med/High471.81.2717
Predominant Reaching High450.31.3323
SA/DSPL Upwind20.77SA/DSPL Downwind28.43
Scoring OptionTODTOT
5-Band Windward/Leeward Low1123.10.5342
5-Band Windward/Leeward Low/Med811.00.7398
5-Band Windward/Leeward Medium679.30.8833
5-Band Windward/Leeward Med/High609.00.9853
5-Band Windward/Leeward High585.01.0257
Windward/Leeward 60-40 Low1128.10.5319
Windward/Leeward 60-40 Low/Med821.50.7304
Windward/Leeward 60-40 Medium695.00.8633
Windward/Leeward 60-40 Med/High631.40.9503
Windward/Leeward 60-40 High612.90.9790
5-Band AP Low812.70.7383
5-Band AP Low/Med634.90.9451
5-Band AP Medium546.91.0971
5-Band AP Med/High501.11.1973
5-Band AP High482.61.2433
5-Band SF Bay Tour - Low964.40.6222
5-Band SF Bay Tour - Low/Med775.50.7737
5-Band SF Bay Tour - Medium656.10.9145
5-Band SF Bay Tour - Med/High595.41.0077
5-Band SF Bay Tour - High574.91.0436
Chicago-Mac Upwind0.9130
Chicago-Mac All Purpose0.9449
Chicago-Mac Downwind0.9696
Bayview-Mac Cove Island0.6781
Bayview-Mac Shore0.6838
Harvest Moon Regatta478.01.2552
Double HandedClub Certificate2025
ALLONS-YM 4
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFirst 42 S7Measurement14/06/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.688Max. Beam4.130Draft1.790Displacement8,255Wetted area31.33IMS L10.928LSM010.745Acc. length12.688Sink (kg/mm) 24.88
VCGD0.145VCGM0.128RM Rated (kg·m) 212.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.300PBW0.155PIPA0.0074
PSD0.030PHD0.080PHL0.125
PSA20.0°ESL1.120
ST10.043ST20.131ST30.131
ST40.062ST50.350
RIG
Forestay tensionFixedInner stayFixedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P14.250IG15.610ISP15.750MDT10.120MDL10.220MDT2MDL2TLNo TaperMWGO
E5.240J4.350BAS1.360FSDFoilSFJ0.300SPL4.240WPLTPS4.630BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date23/06/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
ALLONS-YM 4
Australian Sailing Ltd
Locked Bag 806
Milsons Point
NSW 1565
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.131.061.903.204.2542.9514/06/2025* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.060.641.282.754.255.8015.13NoNo 42.5014/06/2025* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS112.4012.4012.407.107.4073.9914/06/2025
CRUISER/RACER REQUIREMENTS*
Accommodation length12.7 mTable area0.55 m²Headroom1.84 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity167 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity104 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.