Club Certificate2026
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
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 Angles45.2°42.1°40.2°38.2°37.7°37.5°37.8°38.0°39.3°
Beat VMG2.453.374.014.424.584.654.694.734.66
52°3.825.065.826.236.426.506.566.646.66
60°4.065.285.996.376.586.696.766.886.93
75°4.235.416.116.496.766.967.117.327.44
90°4.125.316.076.546.847.127.387.707.91
110°3.765.126.046.576.997.397.708.128.44
120°3.594.925.866.456.887.327.708.429.01
135°3.104.405.396.126.597.017.438.239.35
150°2.563.764.775.606.226.657.057.818.65
Run VMG2.223.254.144.905.576.116.537.287.97
Gybe Angles141.5°147.1°152.3°156.8°164.6°171.1°178.1°177.7°178.1°
APH ToD:612.7CDL: 7.127APH ToT: 0.9792CertNo:
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 Allowance0.000%Age Allowance0.650%RS Assessment-0.331%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.293m
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.1529.81Headsail Luffed24.6224.62Headsail FlyingSymmetric47.1847.18Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.56Storm Jib5.41Heavy Weather Jib14.61
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 52.3 kg·m Stability Index 100.0
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  04140004P6K Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
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 VMG1466.91067.8897.0815.2786.1773.8767.0761.5771.7
52°943.5712.0618.8578.1561.1553.5548.7542.2540.9
60°885.7681.4600.5565.0547.4538.2532.3523.4519.6
75°850.9665.1589.3554.4532.9517.4506.2492.0483.6
90°873.3677.4593.2550.9526.3505.3488.0467.5455.0
110°956.9702.7596.3548.0515.1487.1467.5443.2426.7
120°1003.6731.8614.6558.0523.0491.6467.8427.6399.7
135°1161.9817.5668.2588.4546.2513.3484.3437.3384.9
150°1404.7958.4755.1642.8578.8541.7510.9461.2416.1
Run VMG1622.01106.7870.1734.6646.4589.0551.3494.8451.6
Selected Courses
Windward / Leeward1544.41087.2883.5774.9716.2681.4659.1628.1611.7
All purpose1162.8841.8702.7632.0594.3570.0552.6527.5510.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward746.20.8041
All purpose612.70.9792
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.70.9026
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7157
Downwind "popa"0.8412
70% up, 30% down "Ilhabela"0.7492
30% up, 70% down "Ilhabela-inverso"0.7992
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Predominantly Upwind659.10.9104
Predominantly Downwind625.80.9587
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP636.40.9428 Predom. Rc High499.01.2024 5B SF Bay L/M811.30.7395 TriNum AP Low772.30.7769 Predom. Dn Low948.90.6323 5B SF Bay Med706.70.8490 TriNum AP Med609.90.9837 Predom. Dn L/M707.00.8486 5B SF Bay M/H648.50.9253 TriNum AP High547.51.0958 Predom. Dn Med605.20.9914 5B SF Bay High619.40.9686 TriNum W/L Low1030.40.5823 Predom. Dn M/H538.91.1134 5B AP Low855.40.7015 TriNum W/L Med741.00.8097 Predom. Dn High498.61.2033 5B AP L/M682.30.8794 TriNum W/L Hig653.10.9187 ChiMac Up Low808.60.7420 5B AP Med602.00.9966 Predom. Upwind682.10.8796 ChiMac Up Med737.80.8132 5B AP M/H554.81.0814 Predom. Reaching610.00.9837 ChiMac Up High655.90.9147 5B AP High528.91.1344 Predom. Downwind652.40.9196 ChiMac Off Low818.70.7328 5B W/L Low1150.60.5215 Predom. Up Low909.00.6601 ChiMac Off Med724.60.8281 5B W/L L/M850.50.7054 Predom. Up L/M711.80.8429 ChiMac Off High612.70.9792 5B W/L Med729.30.8227 Predom. Up Med640.60.9367 ChiMac AP Low809.40.7413 5B W/L M/H662.40.9057 Predom. Up M/H604.50.9926 ChiMac AP Med728.10.8241 5B W/L High630.70.9514 Predom. Up High587.31.0216 ChiMac AP High632.30.9490 W/L 60-40 Low1145.50.5238 Predom. Rc Low829.10.7237 BayMac Cove Island925.70.6481 W/L 60-40 L/M855.80.7011 Predom. Rc L/M646.90.9276 BayMac Shore916.90.6544 W/L 60-40 Med742.70.8078 Predom. Rc Med574.51.0444 Harvest Moon540.41.1103 W/L 60-40 M/H683.70.8775 Predom. Rc M/H527.61.1372 5B SF Bay Low972.00.6173 W/L 60-40 High657.40.9127      SA/DSPL Up29.04SA/DSPL Dn41.23
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.70.9026
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.70.9026
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance664.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating664.70.9026
FinRating, kevyt tuuli1133.60.8822
FinRating, kova tuuli531.60.9406
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9026
Triple Number Coastal/Long Distance Low0.7769
Triple Number Coastal/Long Distance Medium0.9838
Triple Number Coastal/Long Distance High1.0958
Triple Number Windward/Leeward Low0.6089
Triple Number Windward/Leeward Medium0.8097
Triple Number Windward/Leeward High0.9187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
For information
General Purpose Handicap (GPH)684.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.70.9026
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Saronikos S All Purpose685.90.8748
Saronikos S Upwind760.40.7890
Saronikos S Downwind599.21.0013
Saronikos N All Purpose723.20.8297
Saronikos N Upwind790.60.7589
Saronikos N Downwind657.80.9121
Saronikos SW All Purpose689.70.8700
Saronikos SW Upwind775.40.7738
Saronikos SW Downwind610.10.9835
Saronikos NE All Purpose749.10.8009
Saronikos NE Upwind743.00.8076
Saronikos NE Downwind736.70.8144
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose636.40.9428
5-Band All Purpose Low923.90.6494
5-Band All Purpose L/M707.10.8485
5-Band All Purpose Med621.40.9656
5-Band All Purpose M/H570.31.0521
5-Band All Purpose High541.91.1072
Single Number Predominant Upwind657.20.9129
Single Number Predominant Reaching590.01.0170
Single Number Predominant Downwind627.10.9567
5-Band 50-50 Windward/Leeward Low1150.60.5215
5-Band 50-50 Windward/Leeward L/M850.50.7054
5-Band 50-50 Windward/Leeward Med729.30.8227
5-Band 50-50 Windward/Leeward M/H662.40.9057
5-Band 50-50 Windward/Leeward High630.70.9514
5-Band 60-40 Windward/Leeward Low1145.50.5238
5-Band 60-40 Windward/Leeward L/M855.80.7011
5-Band 60-40 Windward/Leeward Med742.70.8078
5-Band 60-40 Windward/Leeward M/H683.70.8775
5-Band 60-40 Windward/Leeward High657.40.9127
Triple Number 50-50 Windward/Leeward Low1030.40.5823
Triple Number 50-50 Windward/Leeward Med741.10.8096
Triple Number 50-50 Windward/Leeward High653.10.9187
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward759.20.7903
Triple Number 60-40 Windward/Leeward Low1028.90.5832
Triple Number 60-40 Windward/Leeward Med753.30.7965
Triple Number 60-40 Windward/Leeward High675.80.8879
Triple Number All-Purpose Low836.30.7174
Triple Number All-Purpose Med629.80.9527
Triple Number All-Purpose High562.41.0668
Triple Number Predominant Upwind Low836.50.7172
Triple Number Predominant Upwind Med649.60.9236
Triple Number Predominant Upwind High605.40.9910
Triple Number Predominant Reaching Low759.40.7901
Triple Number Predominant Reaching Med590.61.0159
Triple Number Predominant Reaching High510.81.1746
Triple Number Predominant Downwind Low849.90.7060
Triple Number Predominant Downwind Med616.80.9728
Triple Number Predominant Downwind High518.01.1583
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.70.9026
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.70.9026
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low772.3
Triple Number Coastal/Long Distance Medium609.9
Triple Number Coastal/Long Distance High547.5
Triple Number Windward/Leeward Low985.4
Triple Number Windward/Leeward Medium741.0
Triple Number Windward/Leeward High653.1
Predominantly Upwind659.1
Predominantly Downwind625.8
Predominantly Reaching599.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.70.9026
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7769
Triple Number Coastal/Long Distance Medium0.9838
Triple Number Coastal/Long Distance High1.0958
Triple Number Windward/Leeward Low0.6089
Triple Number Windward/Leeward Medium0.8097
Triple Number Windward/Leeward High0.9187
Coastal/Long Distance0.9026
Predominantly Upwind0.9104
Predominantly Downwind0.9587
For information
General Purpose Handicap (GPH)684.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9792
Distanseseilas Trippeltall svak vind0.7769
Distanseseilas Trippeltall mellomvind0.9838
Distanseseilas Trippeltall sterk vind1.0958
Pølsebane Trippeltall svak vind0.6089
Pølsebane Trippeltall mellomvind0.8097
Pølsebane Trippeltall sterk vind0.9187
Motvind Singeltall0.9104
Medvind Singeltall0.9587
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Coastal/Long Distance664.70.9026
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind659.10.9104
Predominantly Downwind625.80.9587
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore616.60.9730
Cape Doctor Coastal515.71.1635
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7769
Triple Number Coastal/Long Distance Medium0.9838
Triple Number Coastal/Long Distance High1.0958
Triple Number Windward/Leeward Low0.6089
Triple Number Windward/Leeward Medium0.8097
Triple Number Windward/Leeward High0.9187
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7769
Triple Number Coastal/Long Distance Medium0.9838
Triple Number Coastal/Long Distance High1.0958
Triple Number Windward/Leeward Low0.6089
Triple Number Windward/Leeward Medium0.8097
Triple Number Windward/Leeward High0.9187
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.70.9026
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Predominantly Upwind659.10.9104
Predominantly Downwind625.80.9587
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance664.70.9026
Triple Number Coastal/Long Distance Low772.30.7769
Triple Number Coastal/Long Distance Medium609.90.9838
Triple Number Coastal/Long Distance High547.51.0958
Triple Number Windward/Leeward Low985.40.6089
Triple Number Windward/Leeward Medium741.00.8097
Triple Number Windward/Leeward High653.10.9187
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.21089.2835.0705.2632.8591.7558.4503.0484.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP636.40.9428 Predom. Dn High498.61.2033 5B AP M/H554.81.0814 TriNum AP Low772.30.7769 Predom. Rc Low829.10.7237 5B AP High528.91.1344 TriNum AP Med609.90.9837 Predom. Rc L/M646.90.9276 5B SF Bay Low972.00.6173 TriNum AP High547.51.0958 Predom. Rc Med574.51.0444 5B SF Bay L/M811.30.7395 TriNum W/L Low1030.40.5823 Predom. Rc M/H527.61.1372 5B SF Bay Med706.70.8490 TriNum W/L Med741.00.8097 Predom. Rc High499.01.2024 5B SF Bay M/H648.50.9253 TriNum W/L Hig653.10.9187 5B W/L Low1150.60.5215 5B SF Bay High619.40.9686 Predom. Upwind682.10.8796 5B W/L L/M850.50.7054 ChiMac Up Low808.60.7420 Predom. Reaching610.00.9837 5B W/L Med729.30.8227 ChiMac Up Med737.80.8132 Predom. Downwind652.40.9196 5B W/L M/H662.40.9057 ChiMac Up High655.90.9147 Predom. Up Low909.00.6601 5B W/L High630.70.9514 ChiMac Off Low818.70.7328 Predom. Up L/M711.80.8429 W/L 60-40 Low1145.50.5238 ChiMac Off Med724.60.8281 Predom. Up Med640.60.9367 W/L 60-40 L/M855.80.7011 ChiMac Off High612.70.9792 Predom. Up M/H604.50.9926 W/L 60-40 Med742.70.8078 ChiMac AP Low809.40.7413 Predom. Up High587.31.0216 W/L 60-40 M/H683.70.8775 ChiMac AP Med728.10.8241 Predom. Dn Low948.90.6323 W/L 60-40 High657.40.9127 ChiMac AP High632.30.9490 Predom. Dn L/M707.00.8486 5B AP Low855.40.7015 BayMac Cove Island925.70.6481 Predom. Dn Med605.20.9914 5B AP L/M682.30.8794 BayMac Shore916.90.6544 Predom. Dn M/H538.91.1134 5B AP Med602.00.9966 Harvest Moon540.41.1103      SA/DSPL Up29.04SA/DSPL Dn41.23
ORC Ref  04140004P6K Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassStill 900MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.010Maximum beam3.132Draft1.765Displacement2,508Wetted area14.80IMS L7.038LSM06.433Accomod. length8.909Sink (kg/mm) 11.24
VCGD-0.039VCGM0.043 RM Rated (kg·m) 52.3Limit of positive stability(°) 106.8 Stability Index 100.0 BLR index 0.0000Default crew weight367 Declared crew weight 450
Centerboard weightList angleCanting keel angle
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
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysYesSpreaders2Rotating mastNo
P11.500IG10.400ISP10.400MDT10.090MDL10.125MDT20.080MDL20.086TL1.900MW0.125GO0.125
E4.250J3.095BAS1.410FSD0.031SFJ0.000SPL3.100WPLTPS0.000BD0.140MWT69.70MCG4.038
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date30/01/2020
SFFP0.490FFM0.913FF0.919LCFcl4.511SG1.0050
SAFP7.884FAM0.785FA0.788LCFsh4.770HBI0.788
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004P6K Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment260.180.881.602.743.5929.1523/04/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment24.6510.40NoNo 24.6212/03/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment110.1910.1910.195.5547.18
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04140004P6K Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org