Club
Certificate
2024

Boat

Sabrina

FIN-920

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.0°41.3°40.1°39.6°39.6°39.7°40.6°42.1°
Beat VMG2.713.273.643.863.923.953.923.81
52°4.114.845.285.515.615.645.665.63
60°4.305.035.435.665.775.815.865.85
75°4.405.165.565.805.966.066.156.19
90°4.365.235.695.926.046.196.406.50
110°4.405.285.766.066.306.496.746.93
120°4.255.145.686.006.276.526.947.30
135°3.804.715.415.806.106.376.907.47
150°3.274.184.945.505.846.116.627.15
Run VMG2.833.634.314.925.435.776.286.76
Gybe Angles148.0°152.1°155.7°165.5°176.8°178.8°179.0°179.2°
APH ToD:716.1CDL: 5.650APH ToT: 0.8378CertNo:
BOAT
ClassAvance 24DesignerPeter NorlinBuilderÖja BåtarAge date06/1976Series date01/1976Offset fileL0020.BOFData fileL-0920C
HULL
Length Overall7.484 mMaximum Beam2.576 mDraft1.419 mDisplacement2,117 kgDLR9.7065IMS DivisionCruiser/RacerDynamic Allowance0.560%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.330m
CREW
Maximum weight300 kg(declared)Minimum weight170 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail13.3513.56Headsail Luffed16.5516.55Headsail FlyingSymmetric34.0734.07Asymmetric
STORM SAIL AREAS (m²)
Trysail3.82Storm Jib3.88Heavy Weather Jib10.47
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.

Club
Certificate
2024

Boat

Sabrina

FIN-920

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1327.11101.5988.2933.0917.2911.8918.5944.5
52°876.7743.5682.0653.1642.1638.2635.5639.4
60°837.8715.6662.7636.5624.0619.5614.7615.7
75°818.3697.8647.1621.2604.0593.7585.2581.8
90°825.4688.2632.6607.6596.5581.9562.5553.9
110°818.9682.1625.3594.4571.0555.0534.5519.3
120°848.0699.8634.1600.2573.8551.8518.5493.3
135°948.3764.2665.8620.3590.4564.7521.5481.8
150°1099.9860.8728.5654.5616.2588.8543.4503.7
Run VMG1270.1992.0835.1731.3663.5623.9573.0532.8
Selected Courses
Windward / Leeward1298.61046.8911.6832.1790.3767.8745.7738.7
All purpose1008.1827.0736.8688.7664.0648.2629.0619.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward873.70.6867
All purpose716.10.8378
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5918
Downwind "popa"0.7383
70% up, 30% down "Ilhabela"0.6292
30% up, 70% down "Ilhabela-inverso"0.6872
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Predominantly Upwind776.20.7730
Predominantly Downwind721.90.8311
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low917.50.6539
Triple Number AP Medium710.20.8449
Triple Number AP High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Single Number Predominant Upwind774.50.7747
Single Number Predominant Reaching685.80.8749
Single Number Predominant Downwind723.00.8299
Predominant Upwind - Low1011.50.5932
Predominant Upwind - Low/Med847.50.7080
Predominant Upwind - Medium751.30.7986
Predominant Upwind - Med/High710.80.8442
Predominant Upwind - High699.50.8577
Predominant Downwind Low1008.80.5948
Predominant Downwind Low/Med817.80.7337
Predominant Downwind Medium695.40.8628
Predominant Downwind Med/High625.60.9591
Predominant Downwind High589.91.0171
Predominant Reaching Low906.60.6618
Predominant Reaching Low/Med754.90.7948
Predominant Reaching Medium665.30.9018
Predominant Reaching Med/High619.10.9691
Predominant Reaching High595.01.0084
SA/DSPL Upwind18.09SA/DSPL Downwind28.69
Scoring OptionTODTOT
5-Band Windward/Leeward Low1241.50.4833
5-Band Windward/Leeward Low/Med1004.50.5973
5-Band Windward/Leeward Medium850.90.7051
5-Band Windward/Leeward Med/High773.30.7759
5-Band Windward/Leeward High748.30.8018
Windward/Leeward 60-40 Low1248.30.4806
Windward/Leeward 60-40 Low/Med1017.60.5896
Windward/Leeward 60-40 Medium871.10.6888
Windward/Leeward 60-40 Med/High801.80.7484
Windward/Leeward 60-40 High783.00.7662
5-Band AP Low966.90.6205
5-Band AP Low/Med801.40.7487
5-Band AP Medium700.70.8563
5-Band AP Med/High651.00.9217
5-Band AP High630.60.9514
5-Band SF Bay Tour - Low1181.70.5077
5-Band SF Bay Tour - Low/Med963.50.6227
5-Band SF Bay Tour - Medium826.30.7261
5-Band SF Bay Tour - Med/High760.20.7893
5-Band SF Bay Tour - High738.40.8125
Chicago-Mac Upwind0.7587
Chicago-Mac All Purpose0.7852
Chicago-Mac Downwind0.8165
Bayview-Mac Cove Island0.7312
Bayview-Mac Shore0.7369
Harvest Moon Regatta623.60.9622
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance777.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6539
Triple Number Coastal/Long Distance Medium0.8450
Triple Number Coastal/Long Distance High0.9304
Triple Number Windward/Leeward Low0.5116
Triple Number Windward/Leeward Medium0.6928
Triple Number Windward/Leeward High0.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low917.6
Triple Number Coastal/Long Distance Medium710.1
Triple Number Coastal/Long Distance High644.9
Triple Number Windward/Leeward Low1172.8
Triple Number Windward/Leeward Medium866.1
Triple Number Windward/Leeward High765.2
Predominantly Upwind776.2
Predominantly Downwind721.9
Predominantly Reaching695.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6539
Triple Number Coastal/Long Distance Medium0.8450
Triple Number Coastal/Long Distance High0.9304
Triple Number Windward/Leeward Low0.5116
Triple Number Windward/Leeward Medium0.6928
Triple Number Windward/Leeward High0.7841
Coastal/Long Distance0.7721
Predominantly Upwind0.7730
Predominantly Downwind0.8311
For information
General Purpose Handicap (GPH)803.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6539
Tretall Distanseseilas Mellomvind0.8450
Tretall Distanseseilas Mye vind0.9304
Tretall Pølsebane Lite vind0.5116
Tretall Pølsebane Mellomvind0.6928
Tretall Pølsebane Mye vind0.7841
Distanseseilas ett tall0.8378
Enkeltall Motvind0.7730
Enkeltall Medvind0.8311
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Coastal/Long Distance777.10.7721
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind776.20.7730
Predominantly Downwind721.90.8311
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore740.80.8099
Cape Doctor Coastal622.30.9642
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6539
Triple Number Coastal/Long Distance Medium0.8450
Triple Number Coastal/Long Distance High0.9304
Triple Number Windward/Leeward Low0.5116
Triple Number Windward/Leeward Medium0.6928
Triple Number Windward/Leeward High0.7841
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6539
Triple Number Coastal/Long Distance Medium0.8450
Triple Number Coastal/Long Distance High0.9304
Triple Number Windward/Leeward Low0.5116
Triple Number Windward/Leeward Medium0.6928
Triple Number Windward/Leeward High0.7841
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Predominantly Upwind776.20.7730
Predominantly Downwind721.90.8311
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance777.10.7721
Triple Number Coastal/Long Distance Low917.60.6539
Triple Number Coastal/Long Distance Medium710.10.8450
Triple Number Coastal/Long Distance High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1295.8985.6825.5734.0688.8654.6599.3586.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low917.50.6539
Triple Number AP Medium710.20.8449
Triple Number AP High644.90.9304
Triple Number Windward/Leeward Low1172.80.5116
Triple Number Windward/Leeward Medium866.10.6928
Triple Number Windward/Leeward High765.20.7841
Single Number Predominant Upwind774.50.7747
Single Number Predominant Reaching685.80.8749
Single Number Predominant Downwind723.00.8299
Predominant Upwind - Low1011.50.5932
Predominant Upwind - Low/Med847.50.7080
Predominant Upwind - Medium751.30.7986
Predominant Upwind - Med/High710.80.8442
Predominant Upwind - High699.50.8577
Predominant Downwind Low1008.80.5948
Predominant Downwind Low/Med817.80.7337
Predominant Downwind Medium695.40.8628
Predominant Downwind Med/High625.60.9591
Predominant Downwind High589.91.0171
Predominant Reaching Low906.60.6618
Predominant Reaching Low/Med754.90.7948
Predominant Reaching Medium665.30.9018
Predominant Reaching Med/High619.10.9691
Predominant Reaching High595.01.0084
SA/DSPL Upwind18.09SA/DSPL Downwind28.69
Scoring OptionTODTOT
5-Band Windward/Leeward Low1241.50.4833
5-Band Windward/Leeward Low/Med1004.50.5973
5-Band Windward/Leeward Medium850.90.7051
5-Band Windward/Leeward Med/High773.30.7759
5-Band Windward/Leeward High748.30.8018
Windward/Leeward 60-40 Low1248.30.4806
Windward/Leeward 60-40 Low/Med1017.60.5896
Windward/Leeward 60-40 Medium871.10.6888
Windward/Leeward 60-40 Med/High801.80.7484
Windward/Leeward 60-40 High783.00.7662
5-Band AP Low966.90.6205
5-Band AP Low/Med801.40.7487
5-Band AP Medium700.70.8563
5-Band AP Med/High651.00.9217
5-Band AP High630.60.9514
5-Band SF Bay Tour - Low1181.70.5077
5-Band SF Bay Tour - Low/Med963.50.6227
5-Band SF Bay Tour - Medium826.30.7261
5-Band SF Bay Tour - Med/High760.20.7893
5-Band SF Bay Tour - High738.40.8125
Chicago-Mac Upwind0.7587
Chicago-Mac All Purpose0.7852
Chicago-Mac Downwind0.8165
Bayview-Mac Cove Island0.7312
Bayview-Mac Shore0.7369
Harvest Moon Regatta623.60.9622

Club
Certificate
2024

Boat

Sabrina

FIN-920

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassAvance 24Measurement27/03/2022HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.484Max. Beam2.576Draft1.419Displacement2,117Wetted area12.40IMS L6.176LSM06.019Acc. length7.484Sink (kg/mm) 8.52
VCGD0.060VCGM0.063RM Rated (kg·m) 23.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight334Declared crew weight300
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.330PBW0.090PIPA0.0030
PSD0.025PHD0.055PHL0.108
PSA20.0°ESL0.520
ST10.023ST20.083ST30.083
ST40.047ST50.100
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays1Spreaders1Rotating mastNo
P8.715IG8.793ISP8.803MDT10.090MDL10.130MDT20.090MDL20.130TL0.000MW0.130GO0.134
E2.502J2.615BAS1.143FSD0.023SFJ0.655SPL2.650WPLTPSBD0.084MWT44.00MCG3.800
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date24/08/1981
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

Sabrina

FIN-920

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.130.571.001.672.1413.35
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.520.981.932.913.938.46NoNo 16.55
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment18.618.618.614.754.7434.07
CRUISER/RACER REQUIREMENTS*
Accommodation length7.5 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity15 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.