Double HandedClub 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°41.7°40.0°38.9°39.2°39.3°39.5°40.4°43.0°
Beat VMG2.493.403.974.234.324.364.384.364.19
52°3.865.065.776.076.196.266.306.346.28
60°4.115.285.946.256.396.476.536.606.59
75°4.285.426.076.416.636.786.897.067.13
90°4.185.346.056.456.757.007.227.507.67
110°3.805.156.026.526.917.287.507.818.01
120°3.634.965.876.436.857.287.648.178.55
135°3.134.445.426.126.587.027.448.299.56
150°2.593.794.805.626.226.647.067.858.84
Run VMG2.243.284.164.935.586.116.527.298.02
Gybe Angles138.8°147.1°152.3°157.4°164.2°171.8°177.7°177.2°175.7°
APH ToD:625.5CDL: 6.647APH ToT: 0.9593CertNo:
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 Allowance0.050%Age Allowance0.650%RS Assessment-0.331%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.293m
CREW
Maximum weight190 kg(declared)Minimum weight120 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 52.2 kg·m Stability Index 103.6
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  04140004P70 Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 VMG1447.11059.5905.8850.7833.2826.4821.7824.8859.4
52°932.1710.9624.2592.7581.2575.4571.0567.4573.3
60°876.6682.0605.7575.7563.0556.3551.2545.4546.3
75°841.8664.0593.2561.2543.3531.1522.8509.8504.7
90°862.2673.7595.3558.0533.6514.2498.3479.9469.6
110°947.7698.7597.5552.2520.9494.5480.2461.2449.6
120°993.0726.4613.1559.9525.4494.6471.1440.5421.0
135°1148.7811.0664.2588.0546.8512.8483.6434.3376.6
150°1390.5950.7750.3640.2578.8542.1509.9458.6407.5
Run VMG1605.61097.8864.6730.6644.6589.0552.0493.6448.8
Selected Courses
Windward / Leeward1526.41078.7885.2790.7738.9707.7686.8659.2654.1
All purpose1149.5836.5704.5642.5609.1587.1570.9548.9538.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward765.50.7839
All purpose625.50.9593
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.90.8850
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.6860
Downwind "popa"0.8447
70% up, 30% down "Ilhabela"0.7270
30% up, 70% down "Ilhabela-inverso"0.7899
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Predominantly Upwind677.00.8863
Predominantly Downwind630.00.9524
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP648.90.9246 Predom. Rc High512.61.1704 5B SF Bay L/M820.20.7316 TriNum AP Low770.50.7787 Predom. Dn Low941.80.6371 5B SF Bay Med728.10.8241 TriNum AP Med622.80.9634 Predom. Dn L/M708.00.8474 5B SF Bay M/H676.20.8873 TriNum AP High566.71.0587 Predom. Dn Med611.10.9818 5B SF Bay High652.10.9201 TriNum W/L Low1026.90.5843 Predom. Dn M/H547.01.0968 5B AP Low850.20.7057 TriNum W/L Med760.60.7889 Predom. Dn High507.11.1832 5B AP L/M688.00.8721 TriNum W/L Hig681.70.8802 ChiMac Up Low813.50.7375 5B AP Med615.70.9745 Predom. Upwind700.00.8572 ChiMac Up Med750.50.7995 5B AP M/H573.21.0468 Predom. Reaching617.30.9720 ChiMac Up High676.80.8865 5B AP High550.91.0891 Predom. Downwind656.30.9141 ChiMac Off Low816.60.7348 5B W/L Low1142.20.5253 Predom. Up Low903.90.6638 ChiMac Off Med726.00.8265 5B W/L L/M858.80.6987 Predom. Up L/M721.90.8311 ChiMac Off High617.80.9711 5B W/L Med750.10.7999 Predom. Up Med661.70.9068 ChiMac AP Low810.80.7400 5B W/L M/H690.10.8695 Predom. Up M/H631.20.9505 ChiMac AP Med735.10.8163 5B W/L High663.10.9048 Predom. Up High618.60.9699 ChiMac AP High645.20.9299 W/L 60-40 Low1137.40.5275 Predom. Rc Low823.70.7284 BayMac Cove Island926.20.6478 W/L 60-40 L/M866.70.6923 Predom. Rc L/M650.70.9220 BayMac Shore917.40.6540 W/L 60-40 Med768.10.7812 Predom. Rc Med583.91.0276 Harvest Moon546.81.0973 W/L 60-40 M/H716.90.8370 Predom. Rc M/H539.71.1117 5B SF Bay Low966.40.6208 W/L 60-40 High696.50.8614      SA/DSPL Up29.04SA/DSPL Dn41.23
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.90.8850
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.90.8850
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance677.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating677.90.8850
FinRating, kevyt tuuli1124.80.8891
FinRating, kova tuuli554.10.9024
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8850
Triple Number Coastal/Long Distance Low0.7787
Triple Number Coastal/Long Distance Medium0.9635
Triple Number Coastal/Long Distance High1.0587
Triple Number Windward/Leeward Low0.6110
Triple Number Windward/Leeward Medium0.7889
Triple Number Windward/Leeward High0.8802
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
For information
General Purpose Handicap (GPH)694.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.90.8850
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Saronikos S All Purpose696.90.8610
Saronikos S Upwind777.10.7721
Saronikos S Downwind598.11.0031
Saronikos N All Purpose737.00.8141
Saronikos N Upwind806.40.7440
Saronikos N Downwind656.30.9143
Saronikos SW All Purpose694.80.8635
Saronikos SW Upwind783.40.7659
Saronikos SW Downwind609.10.9850
Saronikos NE All Purpose758.20.7914
Saronikos NE Upwind754.70.7950
Saronikos NE Downwind734.10.8174
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose648.90.9246
5-Band All Purpose Low917.80.6537
5-Band All Purpose L/M712.70.8419
5-Band All Purpose Med634.80.9452
5-Band All Purpose M/H587.71.0209
5-Band All Purpose High561.91.0678
Single Number Predominant Upwind674.90.8890
Single Number Predominant Reaching597.61.0039
Single Number Predominant Downwind631.60.9500
5-Band 50-50 Windward/Leeward Low1142.20.5253
5-Band 50-50 Windward/Leeward L/M858.80.6987
5-Band 50-50 Windward/Leeward Med750.10.7999
5-Band 50-50 Windward/Leeward M/H690.10.8695
5-Band 50-50 Windward/Leeward High663.10.9048
5-Band 60-40 Windward/Leeward Low1137.40.5275
5-Band 60-40 Windward/Leeward L/M866.70.6923
5-Band 60-40 Windward/Leeward Med768.10.7812
5-Band 60-40 Windward/Leeward M/H716.90.8370
5-Band 60-40 Windward/Leeward High696.50.8614
Triple Number 50-50 Windward/Leeward Low1026.90.5843
Triple Number 50-50 Windward/Leeward Med760.60.7888
Triple Number 50-50 Windward/Leeward High681.70.8801
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward782.80.7664
Triple Number 60-40 Windward/Leeward Low1026.30.5847
Triple Number 60-40 Windward/Leeward Med777.20.7720
Triple Number 60-40 Windward/Leeward High710.20.8449
Triple Number All-Purpose Low833.90.7195
Triple Number All-Purpose Med642.50.9339
Triple Number All-Purpose High580.41.0338
Triple Number Predominant Upwind Low836.00.7177
Triple Number Predominant Upwind Med669.30.8964
Triple Number Predominant Upwind High635.20.9446
Triple Number Predominant Reaching Low757.20.7924
Triple Number Predominant Reaching Med600.50.9991
Triple Number Predominant Reaching High522.21.1489
Triple Number Predominant Downwind Low845.60.7095
Triple Number Predominant Downwind Med621.20.9658
Triple Number Predominant Downwind High523.61.1459
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.90.8850
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.90.8850
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low770.5
Triple Number Coastal/Long Distance Medium622.7
Triple Number Coastal/Long Distance High566.7
Triple Number Windward/Leeward Low982.0
Triple Number Windward/Leeward Medium760.6
Triple Number Windward/Leeward High681.7
Predominantly Upwind677.0
Predominantly Downwind630.0
Predominantly Reaching605.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.90.8850
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7787
Triple Number Coastal/Long Distance Medium0.9635
Triple Number Coastal/Long Distance High1.0587
Triple Number Windward/Leeward Low0.6110
Triple Number Windward/Leeward Medium0.7889
Triple Number Windward/Leeward High0.8802
Coastal/Long Distance0.8850
Predominantly Upwind0.8863
Predominantly Downwind0.9524
For information
General Purpose Handicap (GPH)694.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9593
Distanseseilas Trippeltall svak vind0.7787
Distanseseilas Trippeltall mellomvind0.9635
Distanseseilas Trippeltall sterk vind1.0587
Pølsebane Trippeltall svak vind0.6110
Pølsebane Trippeltall mellomvind0.7889
Pølsebane Trippeltall sterk vind0.8802
Motvind Singeltall0.8863
Medvind Singeltall0.9524
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Coastal/Long Distance677.90.8850
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind677.00.8863
Predominantly Downwind630.00.9524
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore655.60.9151
Cape Doctor Coastal541.61.1079
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7787
Triple Number Coastal/Long Distance Medium0.9635
Triple Number Coastal/Long Distance High1.0587
Triple Number Windward/Leeward Low0.6110
Triple Number Windward/Leeward Medium0.7889
Triple Number Windward/Leeward High0.8802
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7787
Triple Number Coastal/Long Distance Medium0.9635
Triple Number Coastal/Long Distance High1.0587
Triple Number Windward/Leeward Low0.6110
Triple Number Windward/Leeward Medium0.7889
Triple Number Windward/Leeward High0.8802
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.90.8850
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Predominantly Upwind677.00.8863
Predominantly Downwind630.00.9524
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance677.90.8850
Triple Number Coastal/Long Distance Low770.50.7787
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High566.71.0587
Triple Number Windward/Leeward Low982.00.6110
Triple Number Windward/Leeward Medium760.60.7889
Triple Number Windward/Leeward High681.70.8802
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1534.31080.6836.4718.1650.1609.7575.2520.2507.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP648.90.9246 Predom. Dn High507.11.1832 5B AP M/H573.21.0468 TriNum AP Low770.50.7787 Predom. Rc Low823.70.7284 5B AP High550.91.0891 TriNum AP Med622.80.9634 Predom. Rc L/M650.70.9220 5B SF Bay Low966.40.6208 TriNum AP High566.71.0587 Predom. Rc Med583.91.0276 5B SF Bay L/M820.20.7316 TriNum W/L Low1026.90.5843 Predom. Rc M/H539.71.1117 5B SF Bay Med728.10.8241 TriNum W/L Med760.60.7889 Predom. Rc High512.61.1704 5B SF Bay M/H676.20.8873 TriNum W/L Hig681.70.8802 5B W/L Low1142.20.5253 5B SF Bay High652.10.9201 Predom. Upwind700.00.8572 5B W/L L/M858.80.6987 ChiMac Up Low813.50.7375 Predom. Reaching617.30.9720 5B W/L Med750.10.7999 ChiMac Up Med750.50.7995 Predom. Downwind656.30.9141 5B W/L M/H690.10.8695 ChiMac Up High676.80.8865 Predom. Up Low903.90.6638 5B W/L High663.10.9048 ChiMac Off Low816.60.7348 Predom. Up L/M721.90.8311 W/L 60-40 Low1137.40.5275 ChiMac Off Med726.00.8265 Predom. Up Med661.70.9068 W/L 60-40 L/M866.70.6923 ChiMac Off High617.80.9711 Predom. Up M/H631.20.9505 W/L 60-40 Med768.10.7812 ChiMac AP Low810.80.7400 Predom. Up High618.60.9699 W/L 60-40 M/H716.90.8370 ChiMac AP Med735.10.8163 Predom. Dn Low941.80.6371 W/L 60-40 High696.50.8614 ChiMac AP High645.20.9299 Predom. Dn L/M708.00.8474 5B AP Low850.20.7057 BayMac Cove Island926.20.6478 Predom. Dn Med611.10.9818 5B AP L/M688.00.8721 BayMac Shore917.40.6540 Predom. Dn M/H547.01.0968 5B AP Med615.70.9745 Harvest Moon546.81.0973      SA/DSPL Up29.04SA/DSPL Dn41.23
ORC Ref  04140004P70 Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 L6.869LSM06.433Accomod. length8.909Sink (kg/mm) 11.24
VCGD-0.038VCGM0.043 RM Rated (kg·m) 52.2Limit of positive stability(°) 110.3 Stability Index 103.6 BLR index 0.0000Default crew weight170 Declared crew weight 190
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  04140004P70 Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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  04140004P70 Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org