Non Spin/HSFClub Certificate2025
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 Angles41.4°41.4°39.8°37.9°37.4°37.3°37.1°37.4°38.7°
Beat VMG2.543.434.074.454.594.664.714.744.68
52°3.915.125.866.226.396.476.526.596.61
60°4.135.336.016.356.546.646.706.806.84
75°4.245.456.106.466.706.876.987.147.24
90°4.115.346.066.466.756.997.197.477.70
110°3.554.815.736.286.666.987.297.938.55
120°3.324.555.506.136.536.867.187.888.91
135°2.854.014.985.736.246.606.917.558.43
150°2.343.414.385.195.846.296.637.237.91
Run VMG2.022.953.814.575.275.866.296.907.48
Gybe Angles147.1°147.1°154.1°163.6°174.5°179.0°179.7°179.9°179.7°
APH ToD:629.9CDL: 7.150APH ToT: 0.9525CertNo:
BOAT
ClassStill 900DesignerEivind StillBuilderFinn YachtAge date01/1986Series date12/1985Offset fileL4646B.BOFData fileFIN5591
HULL
Length Overall9.010 mMaximum Beam3.132 mDraft1.765 mDisplacement2,508 kgDLR9.4171IMS DivisionPerformanceDynamic Allowance0.090%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.293m
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.3230.00Headsail Luffed24.6224.62Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail8.56Storm Jib5.41Heavy Weather Jib14.61
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ 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
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 VMG1417.91049.0884.2809.1783.6771.9764.7758.8769.3
52°921.4703.0614.5578.5563.5556.6552.0545.9544.4
60°872.0674.8598.9566.5550.4542.5537.3529.6526.3
75°849.1660.8589.8557.0537.1524.1516.0504.2497.2
90°875.8674.2594.3557.3533.3515.0501.0481.7467.3
110°1015.2748.3628.8573.0540.8515.5493.7453.7421.2
120°1085.5790.7654.7587.4551.4524.7501.1456.7403.9
135°1262.1898.2723.0627.7576.8545.7520.9476.9426.9
150°1538.11057.1822.0693.5616.4572.0543.2498.0455.3
Run VMG1778.81220.7945.6787.5683.0614.5572.8521.9481.0
Selected Courses
Windward / Leeward1594.71134.9914.9798.3733.3693.2668.7640.3625.2
All purpose1194.4872.6724.4649.8609.7585.0568.0542.9523.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward765.40.7839
All purpose629.90.9525
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance684.30.8768
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7215
Downwind "popa"0.7856
70% up, 30% down "Ilhabela"0.7396
30% up, 70% down "Ilhabela-inverso"0.7652
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Predominantly Upwind666.80.8998
Predominantly Downwind654.20.9172
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low798.50.7514
Triple Number AP Medium626.50.9577
Triple Number AP High562.91.0660
Triple Number Windward/Leeward Low1070.60.5605
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Single Number Predominant Upwind689.50.8702
Single Number Predominant Reaching628.30.9549
Single Number Predominant Downwind684.10.8770
Predominant Upwind - Low915.10.6557
Predominant Upwind - Low/Med719.20.8343
Predominant Upwind - Medium648.00.9259
Predominant Upwind - Med/High612.50.9795
Predominant Upwind - High596.21.0064
Predominant Downwind Low1009.30.5945
Predominant Downwind Low/Med744.90.8054
Predominant Downwind Medium630.70.9514
Predominant Downwind Med/High560.91.0697
Predominant Downwind High522.81.1477
Predominant Reaching Low856.20.7008
Predominant Reaching Low/Med666.10.9007
Predominant Reaching Medium590.21.0166
Predominant Reaching Med/High544.61.1018
Predominant Reaching High517.81.1587
SA/DSPL Upwind29.13SA/DSPL Downwind29.13
Scoring OptionTODTOT
5-Band Windward/Leeward Low1195.70.5018
5-Band Windward/Leeward Low/Med879.40.6823
5-Band Windward/Leeward Medium747.10.8031
5-Band Windward/Leeward Med/High673.50.8909
5-Band Windward/Leeward High642.60.9337
Windward/Leeward 60-40 Low1176.60.5099
Windward/Leeward 60-40 Low/Med876.90.6842
Windward/Leeward 60-40 Medium756.20.7935
Windward/Leeward 60-40 Med/High692.10.8669
Windward/Leeward 60-40 High666.40.9003
5-Band AP Low890.70.6736
5-Band AP Low/Med703.00.8535
5-Band AP Medium618.30.9704
5-Band AP Med/High570.21.0523
5-Band AP High543.91.1031
5-Band SF Bay Tour - Low1024.90.5854
5-Band SF Bay Tour - Low/Med839.30.7148
5-Band SF Bay Tour - Medium723.60.8292
5-Band SF Bay Tour - Med/High661.20.9074
5-Band SF Bay Tour - High632.90.9480
Chicago-Mac Upwind0.8473
Chicago-Mac All Purpose0.8503
Chicago-Mac Downwind0.8445
Bayview-Mac Cove Island0.6281
Bayview-Mac Shore0.6355
Harvest Moon Regatta554.11.0829
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance684.30.8768
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance684.30.8768
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance684.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating684.30.8768
FinRating, kevyt tuuli1178.30.8487
FinRating, kova tuuli546.60.9148
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8768
Triple Number Coastal/Long Distance Low0.7514
Triple Number Coastal/Long Distance Medium0.9578
Triple Number Coastal/Long Distance High1.0660
Triple Number Windward/Leeward Low0.5854
Triple Number Windward/Leeward Medium0.7894
Triple Number Windward/Leeward High0.9033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
For information
General Purpose Handicap (GPH)704.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance684.30.8768
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance684.30.8768
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance684.30.8768
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low798.5
Triple Number Coastal/Long Distance Medium626.4
Triple Number Coastal/Long Distance High562.9
Triple Number Windward/Leeward Low1024.9
Triple Number Windward/Leeward Medium760.1
Triple Number Windward/Leeward High664.2
Predominantly Upwind666.8
Predominantly Downwind654.2
Predominantly Reaching621.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance684.30.8768
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7514
Triple Number Coastal/Long Distance Medium0.9578
Triple Number Coastal/Long Distance High1.0660
Triple Number Windward/Leeward Low0.5854
Triple Number Windward/Leeward Medium0.7894
Triple Number Windward/Leeward High0.9033
Coastal/Long Distance0.8768
Predominantly Upwind0.8998
Predominantly Downwind0.9172
For information
General Purpose Handicap (GPH)704.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9525
Distanseseilas Trippeltall svak vind0.7514
Distanseseilas Trippeltall mellomvind0.9578
Distanseseilas Trippeltall sterk vind1.0660
Pølsebane Trippeltall svak vind0.5854
Pølsebane Trippeltall mellomvind0.7894
Pølsebane Trippeltall sterk vind0.9033
Motvind Singeltall0.8998
Medvind Singeltall0.9172
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Coastal/Long Distance684.30.8768
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind666.80.8998
Predominantly Downwind654.20.9172
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore629.70.9528
Cape Doctor Coastal529.51.1332
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7514
Triple Number Coastal/Long Distance Medium0.9578
Triple Number Coastal/Long Distance High1.0660
Triple Number Windward/Leeward Low0.5854
Triple Number Windward/Leeward Medium0.7894
Triple Number Windward/Leeward High0.9033
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7514
Triple Number Coastal/Long Distance Medium0.9578
Triple Number Coastal/Long Distance High1.0660
Triple Number Windward/Leeward Low0.5854
Triple Number Windward/Leeward Medium0.7894
Triple Number Windward/Leeward High0.9033
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance684.30.8768
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Predominantly Upwind666.80.8998
Predominantly Downwind654.20.9172
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance684.30.8768
Triple Number Coastal/Long Distance Low798.50.7514
Triple Number Coastal/Long Distance Medium626.40.9578
Triple Number Coastal/Long Distance High562.91.0660
Triple Number Windward/Leeward Low1024.90.5854
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1719.21143.4865.4726.3648.6606.7574.5520.8496.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low798.50.7514
Triple Number AP Medium626.50.9577
Triple Number AP High562.91.0660
Triple Number Windward/Leeward Low1070.60.5605
Triple Number Windward/Leeward Medium760.10.7894
Triple Number Windward/Leeward High664.20.9033
Single Number Predominant Upwind689.50.8702
Single Number Predominant Reaching628.30.9549
Single Number Predominant Downwind684.10.8770
Predominant Upwind - Low915.10.6557
Predominant Upwind - Low/Med719.20.8343
Predominant Upwind - Medium648.00.9259
Predominant Upwind - Med/High612.50.9795
Predominant Upwind - High596.21.0064
Predominant Downwind Low1009.30.5945
Predominant Downwind Low/Med744.90.8054
Predominant Downwind Medium630.70.9514
Predominant Downwind Med/High560.91.0697
Predominant Downwind High522.81.1477
Predominant Reaching Low856.20.7008
Predominant Reaching Low/Med666.10.9007
Predominant Reaching Medium590.21.0166
Predominant Reaching Med/High544.61.1018
Predominant Reaching High517.81.1587
SA/DSPL Upwind29.13SA/DSPL Downwind29.13
Scoring OptionTODTOT
5-Band Windward/Leeward Low1195.70.5018
5-Band Windward/Leeward Low/Med879.40.6823
5-Band Windward/Leeward Medium747.10.8031
5-Band Windward/Leeward Med/High673.50.8909
5-Band Windward/Leeward High642.60.9337
Windward/Leeward 60-40 Low1176.60.5099
Windward/Leeward 60-40 Low/Med876.90.6842
Windward/Leeward 60-40 Medium756.20.7935
Windward/Leeward 60-40 Med/High692.10.8669
Windward/Leeward 60-40 High666.40.9003
5-Band AP Low890.70.6736
5-Band AP Low/Med703.00.8535
5-Band AP Medium618.30.9704
5-Band AP Med/High570.21.0523
5-Band AP High543.91.1031
5-Band SF Bay Tour - Low1024.90.5854
5-Band SF Bay Tour - Low/Med839.30.7148
5-Band SF Bay Tour - Medium723.60.8292
5-Band SF Bay Tour - Med/High661.20.9074
5-Band SF Bay Tour - High632.90.9480
Chicago-Mac Upwind0.8473
Chicago-Mac All Purpose0.8503
Chicago-Mac Downwind0.8445
Bayview-Mac Cove Island0.6281
Bayview-Mac Shore0.6355
Harvest Moon Regatta554.11.0829
Non Spin/HSFClub Certificate2025
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassStill 900MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.010Max. Beam3.132Draft1.765Displacement2,508Wetted area14.80IMS L7.036LSM06.433Acc. length8.909Sink (kg/mm) 11.24
VCGD-0.038VCGM0.044RM Rated (kg·m) 52.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight367Declared crew weight450
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.293PBW0.075PIPA0.0070
PSD0.025PHD6.000PHL0.200
PSA16.0°ESL0.800
ST10.024ST20.080ST30.115
ST40.045ST50.220
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders2Rotating mastNo
P11.500IG10.400ISP10.400MDT10.090MDL10.125MDT20.080MDL20.086TL1.900MW0.125GO0.125
E4.250J3.095BAS1.410FSD0.031SFJ0.000SPL3.100WPLTPS0.000BD0.140MWT69.70MCG4.038
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date30/01/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.871.592.763.6529.3212/03/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment24.6510.40NoNo 24.6212/03/2023