Club Certificate2026
A WISP OF WINDUSA 97661
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 Angles46.2°43.2°41.3°39.7°37.9°37.1°37.1°37.4°38.6°
Beat VMG2.343.283.944.434.724.844.894.904.82
52°3.684.985.836.316.566.676.726.766.75
60°3.955.236.026.456.686.816.866.946.96
75°4.135.366.146.556.806.987.127.267.36
90°4.005.266.136.666.947.127.267.617.83
110°3.785.266.246.767.127.457.798.278.57
120°3.665.096.106.677.057.417.818.539.06
135°3.194.575.626.366.807.157.528.339.16
150°2.663.884.895.756.376.777.097.798.54
Run VMG2.303.364.244.995.646.206.627.247.91
Gybe Angles139.0°144.4°148.5°152.3°159.9°173.6°178.1°178.6°177.7°
APH ToD:602.3CDL: 7.926APH ToT: 0.9961CertNo:US97661
BOAT
ClassOLSON 911SEDesignerSCHUMACHERBuilderERICSONAge date03/1988Series date05/1987Offset fileOLSON911S.offData fileUS97661
HULL
Length Overall9.104Maximum Beam3.152Draft1.730Displacement3,854DLR8.0244IMS DivisionPerformanceDynamic Allowance0.060%Age Allowance0.650%RS Assessment-0.203%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.350m
CREW
Maximum weight567(declared)Minimum weight437 ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail23.1623.56Headsail Luffed36.4036.40Headsail FlyingSymmetricAsymmetric71.1571.15 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail6.90Storm Jib7.96Heavy Weather Jib21.48
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric may be tacked on the pole
STABILITY
Righting Moment 86.8 Stability Index 115.8
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  04560004FHV Issued on 03/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
A WISP OF WINDUSA 97661
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 VMG1536.91097.6913.4812.9762.3744.4736.1734.8746.6
52°978.4723.0618.0570.6549.1539.8535.7532.4533.6
60°911.4688.7597.6558.4538.9528.5524.6518.7517.5
75°872.5671.0586.4549.6529.2515.6506.0495.7488.9
90°900.2684.7586.9540.8518.5505.7495.8472.9460.0
110°952.5685.0576.8532.3506.0483.2462.2435.3420.2
120°984.8707.0590.0539.6510.7485.7461.1421.8397.5
135°1127.1787.1640.9566.0529.5503.6478.7432.1392.9
150°1355.4927.8735.6626.2564.8531.5507.5462.0421.6
Run VMG1565.11071.3849.3721.7638.7580.8543.9497.4455.3
Selected Courses
Windward / Leeward1551.01084.5881.4767.3700.5662.6640.0616.1600.9
All purpose1171.2838.3695.5621.9581.5558.6542.8520.5506.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward733.30.8182
All purpose602.30.9961
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance654.20.9171
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7239
Downwind "popa"0.8566
70% up, 30% down "Ilhabela"0.7592
30% up, 70% down "Ilhabela-inverso"0.8120
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Predominantly Upwind648.30.9255
Predominantly Downwind614.10.9771
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP626.80.9572 Predom. Rc High496.51.2084 5B SF Bay L/M804.70.7456 TriNum AP Low766.90.7824 Predom. Dn Low932.40.6435 5B SF Bay Med691.90.8672 TriNum AP Med598.81.0020 Predom. Dn L/M692.20.8669 5B SF Bay M/H630.90.9510 TriNum AP High538.41.1144 Predom. Dn Med593.11.0117 5B SF Bay High605.80.9904 TriNum W/L Low1028.30.5835 Predom. Dn M/H531.61.1286 5B AP Low849.10.7066 TriNum W/L Med728.30.8238 Predom. Dn High495.61.2107 5B AP L/M673.70.8905 TriNum W/L Hig636.70.9424 ChiMac Up Low811.10.7397 5B AP Med590.71.0158 Predom. Upwind674.10.8900 ChiMac Up Med734.20.8172 5B AP M/H544.91.1010 Predom. Reaching602.10.9965 ChiMac Up High646.20.9285 5B AP High521.91.1496 Predom. Downwind640.90.9361 ChiMac Off Low803.60.7466 5B W/L Low1150.30.5216 Predom. Up Low920.40.6519 ChiMac Off Med711.40.8434 5B W/L L/M844.40.7106 Predom. Up L/M707.60.8479 ChiMac Off High602.40.9959 5B W/L Med715.30.8388 Predom. Up Med627.70.9558 ChiMac AP Low803.70.7466 5B W/L M/H644.90.9304 Predom. Up M/H590.31.0164 ChiMac AP Med720.20.8331 5B W/L High617.60.9715 Predom. Up High575.91.0419 ChiMac AP High622.70.9635 W/L 60-40 Low1152.60.5206 Predom. Rc Low826.30.7261 BayMac Cove Island920.90.6515 W/L 60-40 L/M852.10.7042 Predom. Rc L/M636.30.9430 BayMac Shore913.30.6570 W/L 60-40 Med727.90.8243 Predom. Rc Med563.71.0644 Harvest Moon535.21.1211 W/L 60-40 M/H663.80.9039 Predom. Rc M/H522.31.1487 5B SF Bay Low971.20.6178 W/L 60-40 High641.50.9353      SA/DSPL Up24.12SA/DSPL Dn38.19
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance654.20.9171
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance654.20.9171
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance654.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating654.20.9171
FinRating, kevyt tuuli1132.60.8830
FinRating, kova tuuli525.50.9515
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9171
Triple Number Coastal/Long Distance Low0.7824
Triple Number Coastal/Long Distance Medium1.0021
Triple Number Coastal/Long Distance High1.1144
Triple Number Windward/Leeward Low0.6104
Triple Number Windward/Leeward Medium0.8238
Triple Number Windward/Leeward High0.9424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
For information
General Purpose Handicap (GPH)674.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance654.20.9171
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Saronikos S All Purpose682.50.8791
Saronikos S Upwind761.40.7881
Saronikos S Downwind589.11.0185
Saronikos N All Purpose682.50.8791
Saronikos N Upwind793.90.7557
Saronikos N Downwind641.30.9356
Saronikos SW All Purpose689.00.8708
Saronikos SW Upwind782.70.7666
Saronikos SW Downwind597.31.0046
Saronikos NE All Purpose741.80.8088
Saronikos NE Upwind747.50.8027
Saronikos NE Downwind716.90.8369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose626.80.9572
5-Band All Purpose Low922.20.6506
5-Band All Purpose L/M698.00.8596
5-Band All Purpose Med609.30.9848
5-Band All Purpose M/H560.31.0708
5-Band All Purpose High535.31.1209
Single Number Predominant Upwind646.80.9276
Single Number Predominant Reaching580.11.0344
Single Number Predominant Downwind614.80.9759
5-Band 50-50 Windward/Leeward Low1150.30.5216
5-Band 50-50 Windward/Leeward L/M844.40.7106
5-Band 50-50 Windward/Leeward Med715.30.8388
5-Band 50-50 Windward/Leeward M/H644.90.9304
5-Band 50-50 Windward/Leeward High617.60.9715
5-Band 60-40 Windward/Leeward Low1152.60.5206
5-Band 60-40 Windward/Leeward L/M852.10.7042
5-Band 60-40 Windward/Leeward Med727.90.8243
5-Band 60-40 Windward/Leeward M/H663.80.9039
5-Band 60-40 Windward/Leeward High641.50.9353
Triple Number 50-50 Windward/Leeward Low1028.30.5835
Triple Number 50-50 Windward/Leeward Med728.50.8237
Triple Number 50-50 Windward/Leeward High636.70.9423
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward746.00.8043
Triple Number 60-40 Windward/Leeward Low1032.40.5812
Triple Number 60-40 Windward/Leeward Med740.20.8105
Triple Number 60-40 Windward/Leeward High656.90.9134
Triple Number All-Purpose Low831.70.7214
Triple Number All-Purpose Med617.90.9710
Triple Number All-Purpose High553.21.0846
Triple Number Predominant Upwind Low841.50.7130
Triple Number Predominant Upwind Med638.00.9405
Triple Number Predominant Upwind High591.31.0147
Triple Number Predominant Reaching Low753.50.7962
Triple Number Predominant Reaching Med579.11.0360
Triple Number Predominant Reaching High506.91.1837
Triple Number Predominant Downwind Low834.40.7191
Triple Number Predominant Downwind Med604.10.9933
Triple Number Predominant Downwind High512.41.1709
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance654.20.9171
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance654.20.9171
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low766.9
Triple Number Coastal/Long Distance Medium598.7
Triple Number Coastal/Long Distance High538.4
Triple Number Windward/Leeward Low983.0
Triple Number Windward/Leeward Medium728.3
Triple Number Windward/Leeward High636.7
Predominantly Upwind648.3
Predominantly Downwind614.1
Predominantly Reaching589.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance654.20.9171
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7824
Triple Number Coastal/Long Distance Medium1.0021
Triple Number Coastal/Long Distance High1.1144
Triple Number Windward/Leeward Low0.6104
Triple Number Windward/Leeward Medium0.8238
Triple Number Windward/Leeward High0.9424
Coastal/Long Distance0.9171
Predominantly Upwind0.9255
Predominantly Downwind0.9771
For information
General Purpose Handicap (GPH)674.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9961
Distanseseilas Trippeltall svak vind0.7824
Distanseseilas Trippeltall mellomvind1.0021
Distanseseilas Trippeltall sterk vind1.1144
Pølsebane Trippeltall svak vind0.6104
Pølsebane Trippeltall mellomvind0.8238
Pølsebane Trippeltall sterk vind0.9424
Motvind Singeltall0.9255
Medvind Singeltall0.9771
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Coastal/Long Distance654.20.9171
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind648.30.9255
Predominantly Downwind614.10.9771
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore605.50.9909
Cape Doctor Coastal510.61.1750
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7824
Triple Number Coastal/Long Distance Medium1.0021
Triple Number Coastal/Long Distance High1.1144
Triple Number Windward/Leeward Low0.6104
Triple Number Windward/Leeward Medium0.8238
Triple Number Windward/Leeward High0.9424
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7824
Triple Number Coastal/Long Distance Medium1.0021
Triple Number Coastal/Long Distance High1.1144
Triple Number Windward/Leeward Low0.6104
Triple Number Windward/Leeward Medium0.8238
Triple Number Windward/Leeward High0.9424
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance654.20.9171
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Predominantly Upwind648.30.9255
Predominantly Downwind614.10.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance654.20.9171
Triple Number Coastal/Long Distance Low766.90.7824
Triple Number Coastal/Long Distance Medium598.71.0021
Triple Number Coastal/Long Distance High538.41.1144
Triple Number Windward/Leeward Low983.00.6104
Triple Number Windward/Leeward Medium728.30.8238
Triple Number Windward/Leeward High636.70.9424
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1552.41083.1830.6696.0618.5579.1549.3499.1483.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP626.80.9572 Predom. Dn High495.61.2107 5B AP M/H544.91.1010 TriNum AP Low766.90.7824 Predom. Rc Low826.30.7261 5B AP High521.91.1496 TriNum AP Med598.81.0020 Predom. Rc L/M636.30.9430 5B SF Bay Low971.20.6178 TriNum AP High538.41.1144 Predom. Rc Med563.71.0644 5B SF Bay L/M804.70.7456 TriNum W/L Low1028.30.5835 Predom. Rc M/H522.31.1487 5B SF Bay Med691.90.8672 TriNum W/L Med728.30.8238 Predom. Rc High496.51.2084 5B SF Bay M/H630.90.9510 TriNum W/L Hig636.70.9424 5B W/L Low1150.30.5216 5B SF Bay High605.80.9904 Predom. Upwind674.10.8900 5B W/L L/M844.40.7106 ChiMac Up Low811.10.7397 Predom. Reaching602.10.9965 5B W/L Med715.30.8388 ChiMac Up Med734.20.8172 Predom. Downwind640.90.9361 5B W/L M/H644.90.9304 ChiMac Up High646.20.9285 Predom. Up Low920.40.6519 5B W/L High617.60.9715 ChiMac Off Low803.60.7466 Predom. Up L/M707.60.8479 W/L 60-40 Low1152.60.5206 ChiMac Off Med711.40.8434 Predom. Up Med627.70.9558 W/L 60-40 L/M852.10.7042 ChiMac Off High602.40.9959 Predom. Up M/H590.31.0164 W/L 60-40 Med727.90.8243 ChiMac AP Low803.70.7466 Predom. Up High575.91.0419 W/L 60-40 M/H663.80.9039 ChiMac AP Med720.20.8331 Predom. Dn Low932.40.6435 W/L 60-40 High641.50.9353 ChiMac AP High622.70.9635 Predom. Dn L/M692.20.8669 5B AP Low849.10.7066 BayMac Cove Island920.90.6515 Predom. Dn Med593.11.0117 5B AP L/M673.70.8905 BayMac Shore913.30.6570 Predom. Dn M/H531.61.1286 5B AP Med590.71.0158 Harvest Moon535.21.1211      SA/DSPL Up24.12SA/DSPL Dn38.19
ORC Ref  04560004FHV Issued on 03/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
A WISP OF WINDUSA 97661
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassOLSON 911SEMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.104Maximum beam3.152Draft1.730Displacement3,854Wetted area19.58IMS L8.178LSM07.831Accomod. length9.104Sink (kg/mm) 14.62
VCGD-0.040VCGM0.007 RM Rated (kg·m) 86.8Limit of positive stability(°) 116.6 Stability Index 115.8 BLR index 0.0000Default crew weight486 Declared crew weight 567
Centerboard weight0.0List angle0.0Canting keel angle0.0
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.350PBW0.095PIPA0.0053
PSD0.022PHD0.040PHL0.134
PSA15.0°ESL3.230
ST10.025ST20.101ST31.005
ST40.043ST50.174
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysYesSpreaders2Rotating mastNo
P10.820IG12.592ISP12.668MDT10.098MDL10.150MDT20.095MDL20.113TL1.387MW0.113GO0.119
E3.640J3.701BAS1.546FSD0.029SFJ0.000SPL3.749WPLTPS3.740BD0.122MWT0.00MCG0.000
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.032Flotation Date14/07/1987
SFFP0.457FFM1.079FF1.089LCFcl4.974SG1.0230
SAFP8.507FAM0.979FA0.983LCFsh5.214HBI1.018
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004FHV Issued on 03/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
A WISP OF WINDUSA 97661
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentmn0.150.731.362.303.0223.1629/05/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentM/L1-230.060.671.342.794.275.7812.85NoNo 36.40
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA-spi13.3512.1612.766.716.63101%71.15
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004FHV Issued on 03/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org