Club Certificate2026
OPTIMA40791
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 Angles47.1°44.3°42.3°40.4°38.8°38.3°38.2°39.4°40.2°
Beat VMG2.243.193.884.374.654.764.804.784.66
52°3.544.925.826.326.586.706.756.796.76
60°3.835.216.066.506.736.876.947.007.00
75°4.065.406.236.646.897.077.227.377.45
90°3.955.356.326.797.077.257.397.767.99
110°3.895.436.436.927.287.637.988.458.77
120°3.765.266.306.847.227.608.038.799.35
135°3.274.705.816.536.967.327.738.669.80
150°2.713.975.035.916.546.937.278.048.94
Run VMG2.343.444.365.125.796.356.787.438.18
Gybe Angles139.4°143.5°147.6°149.4°159.7°173.6°178.1°178.6°177.4°
APH ToD:596.8CDL: 7.912APH ToT: 1.0053CertNo:US40791
BOAT
ClassDehler Optima 101DesignerVAN DE STADTBuilderDehler YachtbauAge date01/1986Series date01/1986Offset fileDEHLER34-FK.offData fileUS40791
HULL
Length Overall10.112 mMaximum Beam3.410 mDraft1.728 mDisplacement3,856 kgDLR7.3693IMS DivisionCruiser/RacerDynamic Allowance0.150%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.390m
CREW
Maximum weight506 kg(default)Minimum weight376 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.8129.40Headsail Luffed29.8629.86Headsail FlyingSymmetric63.5663.56Asymmetric70.9170.91 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail8.44Storm Jib6.97Heavy Weather Jib18.80
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
✱ Asymmetric may be tacked on the pole
STABILITY
Righting Moment 79.1 kg·m Stability Index 106.9
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  04560004VFE Issued on 20/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
OPTIMA40791
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 VMG1610.21128.5926.7824.2774.4757.1749.8752.9772.1
52°1016.8731.8618.4569.4547.4537.4533.1530.2532.3
60°938.9690.9593.7554.0534.6523.9518.9514.3514.4
75°887.4666.2578.1542.3522.6508.8498.8488.6482.9
90°911.4672.5570.0529.9508.9496.5487.1464.1450.7
110°926.3663.2560.1520.4494.7471.6451.1426.0410.3
120°958.7683.8571.7526.6498.9473.5448.4409.3384.8
135°1100.0765.3620.0551.1517.5491.6465.6415.5367.4
150°1330.0907.2715.4609.2550.6519.4495.4447.6402.5
Run VMG1535.71047.5826.1703.5621.8566.8531.3484.5440.1
Selected Courses
Windward / Leeward1572.91088.0876.4763.9698.1662.0640.5618.7606.1
All purpose1182.8834.6687.0615.5576.3553.8538.3516.6502.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward731.60.8201
All purpose596.81.0053
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance648.90.9246
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7102
Downwind "popa"0.8784
70% up, 30% down "Ilhabela"0.7535
30% up, 70% down "Ilhabela-inverso"0.8201
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Predominantly Upwind646.90.9275
Predominantly Downwind602.40.9961
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP621.60.9653 Predom. Rc High488.31.2288 5B SF Bay L/M802.70.7475 TriNum AP Low760.80.7887 Predom. Dn Low919.90.6522 5B SF Bay Med690.30.8692 TriNum AP Med593.01.0118 Predom. Dn L/M678.90.8838 5B SF Bay M/H631.40.9503 TriNum AP High534.11.1235 Predom. Dn Med582.41.0302 5B SF Bay High608.00.9868 TriNum W/L Low1030.00.5825 Predom. Dn M/H522.31.1487 5B AP Low842.70.7120 TriNum W/L Med725.90.8266 Predom. Dn High485.31.2363 5B AP L/M667.20.8993 TriNum W/L Hig637.70.9409 ChiMac Up Low817.10.7343 5B AP Med585.11.0255 Predom. Upwind675.70.8880 ChiMac Up Med737.60.8135 5B AP M/H540.41.1102 Predom. Reaching594.31.0096 ChiMac Up High646.40.9283 5B AP High518.01.1583 Predom. Downwind630.00.9523 ChiMac Off Low791.40.7581 5B W/L Low1156.30.5189 Predom. Up Low931.40.6442 ChiMac Off Med699.90.8573 5B W/L L/M841.60.7130 Predom. Up L/M707.10.8485 ChiMac Off High591.21.0149 5B W/L Med713.10.8414 Predom. Up Med626.70.9573 ChiMac AP Low800.40.7496 5B W/L M/H645.30.9298 Predom. Up M/H590.11.0168 ChiMac AP Med716.00.8380 5B W/L High620.30.9673 Predom. Up High576.81.0402 ChiMac AP High617.10.9723 W/L 60-40 Low1164.80.5151 Predom. Rc Low820.50.7313 BayMac Cove Island922.10.6507 W/L 60-40 L/M852.80.7036 Predom. Rc L/M626.00.9584 BayMac Shore914.90.6558 W/L 60-40 Med728.60.8235 Predom. Rc Med555.41.0804 Harvest Moon525.51.1417 W/L 60-40 M/H667.00.8996 Predom. Rc M/H514.81.1655 5B SF Bay Low973.50.6163 W/L 60-40 High647.40.9268      SA/DSPL Up23.75SA/DSPL Dn40.37
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance648.90.9246
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance648.90.9246
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance648.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating648.90.9246
FinRating, kevyt tuuli1137.20.8793
FinRating, kova tuuli521.00.9597
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9246
Triple Number Coastal/Long Distance Low0.7887
Triple Number Coastal/Long Distance Medium1.0119
Triple Number Coastal/Long Distance High1.1235
Triple Number Windward/Leeward Low0.6109
Triple Number Windward/Leeward Medium0.8266
Triple Number Windward/Leeward High0.9409
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
For information
General Purpose Handicap (GPH)668.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance648.90.9246
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Saronikos S All Purpose681.70.8802
Saronikos S Upwind769.40.7798
Saronikos S Downwind573.21.0467
Saronikos N All Purpose716.20.8378
Saronikos N Upwind805.20.7452
Saronikos N Downwind624.40.9610
Saronikos SW All Purpose686.90.8735
Saronikos SW Upwind790.50.7590
Saronikos SW Downwind580.61.0334
Saronikos NE All Purpose739.20.8117
Saronikos NE Upwind754.70.7950
Saronikos NE Downwind697.70.8600
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose621.60.9653
5-Band All Purpose Low921.30.6512
5-Band All Purpose L/M690.90.8685
5-Band All Purpose Med603.30.9945
5-Band All Purpose M/H555.51.0801
5-Band All Purpose High530.71.1307
Single Number Predominant Upwind645.60.9293
Single Number Predominant Reaching570.71.0513
Single Number Predominant Downwind603.10.9949
5-Band 50-50 Windward/Leeward Low1156.30.5189
5-Band 50-50 Windward/Leeward L/M841.60.7130
5-Band 50-50 Windward/Leeward Med713.10.8414
5-Band 50-50 Windward/Leeward M/H645.30.9298
5-Band 50-50 Windward/Leeward High620.30.9673
5-Band 60-40 Windward/Leeward Low1164.80.5151
5-Band 60-40 Windward/Leeward L/M852.80.7036
5-Band 60-40 Windward/Leeward Med728.60.8235
5-Band 60-40 Windward/Leeward M/H667.00.8996
5-Band 60-40 Windward/Leeward High647.40.9268
Triple Number 50-50 Windward/Leeward Low1030.00.5825
Triple Number 50-50 Windward/Leeward Med725.90.8265
Triple Number 50-50 Windward/Leeward High637.70.9409
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward747.40.8028
Triple Number 60-40 Windward/Leeward Low1039.10.5774
Triple Number 60-40 Windward/Leeward Med740.60.8101
Triple Number 60-40 Windward/Leeward High660.70.9081
Triple Number All-Purpose Low827.40.7251
Triple Number All-Purpose Med611.80.9808
Triple Number All-Purpose High548.51.0938
Triple Number Predominant Upwind Low846.70.7086
Triple Number Predominant Upwind Med636.80.9422
Triple Number Predominant Upwind High592.31.0130
Triple Number Predominant Reaching Low745.60.8047
Triple Number Predominant Reaching Med571.31.0503
Triple Number Predominant Reaching High498.71.2030
Triple Number Predominant Downwind Low821.60.7303
Triple Number Predominant Downwind Med592.31.0130
Triple Number Predominant Downwind High501.81.1957
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance648.90.9246
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance648.90.9246
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low760.7
Triple Number Coastal/Long Distance Medium592.9
Triple Number Coastal/Long Distance High534.0
Triple Number Windward/Leeward Low982.2
Triple Number Windward/Leeward Medium725.9
Triple Number Windward/Leeward High637.7
Predominantly Upwind646.9
Predominantly Downwind602.4
Predominantly Reaching579.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance648.90.9246
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7887
Triple Number Coastal/Long Distance Medium1.0119
Triple Number Coastal/Long Distance High1.1235
Triple Number Windward/Leeward Low0.6109
Triple Number Windward/Leeward Medium0.8266
Triple Number Windward/Leeward High0.9409
Coastal/Long Distance0.9246
Predominantly Upwind0.9275
Predominantly Downwind0.9961
For information
General Purpose Handicap (GPH)668.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0053
Distanseseilas Trippeltall svak vind0.7887
Distanseseilas Trippeltall mellomvind1.0119
Distanseseilas Trippeltall sterk vind1.1235
Pølsebane Trippeltall svak vind0.6109
Pølsebane Trippeltall mellomvind0.8266
Pølsebane Trippeltall sterk vind0.9409
Motvind Singeltall0.9275
Medvind Singeltall0.9961
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Coastal/Long Distance648.90.9246
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind646.90.9275
Predominantly Downwind602.40.9961
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore609.90.9838
Cape Doctor Coastal507.01.1835
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7887
Triple Number Coastal/Long Distance Medium1.0119
Triple Number Coastal/Long Distance High1.1235
Triple Number Windward/Leeward Low0.6109
Triple Number Windward/Leeward Medium0.8266
Triple Number Windward/Leeward High0.9409
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7887
Triple Number Coastal/Long Distance Medium1.0119
Triple Number Coastal/Long Distance High1.1235
Triple Number Windward/Leeward Low0.6109
Triple Number Windward/Leeward Medium0.8266
Triple Number Windward/Leeward High0.9409
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance648.90.9246
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Predominantly Upwind646.90.9275
Predominantly Downwind602.40.9961
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance648.90.9246
Triple Number Coastal/Long Distance Low760.70.7887
Triple Number Coastal/Long Distance Medium592.91.0119
Triple Number Coastal/Long Distance High534.01.1235
Triple Number Windward/Leeward Low982.20.6109
Triple Number Windward/Leeward Medium725.90.8266
Triple Number Windward/Leeward High637.70.9409
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1569.21084.0823.6690.7614.1574.6543.9492.2476.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP621.60.9653 Predom. Dn High485.31.2363 5B AP M/H540.41.1102 TriNum AP Low760.80.7887 Predom. Rc Low820.50.7313 5B AP High518.01.1583 TriNum AP Med593.01.0118 Predom. Rc L/M626.00.9584 5B SF Bay Low973.50.6163 TriNum AP High534.11.1235 Predom. Rc Med555.41.0804 5B SF Bay L/M802.70.7475 TriNum W/L Low1030.00.5825 Predom. Rc M/H514.81.1655 5B SF Bay Med690.30.8692 TriNum W/L Med725.90.8266 Predom. Rc High488.31.2288 5B SF Bay M/H631.40.9503 TriNum W/L Hig637.70.9409 5B W/L Low1156.30.5189 5B SF Bay High608.00.9868 Predom. Upwind675.70.8880 5B W/L L/M841.60.7130 ChiMac Up Low817.10.7343 Predom. Reaching594.31.0096 5B W/L Med713.10.8414 ChiMac Up Med737.60.8135 Predom. Downwind630.00.9523 5B W/L M/H645.30.9298 ChiMac Up High646.40.9283 Predom. Up Low931.40.6442 5B W/L High620.30.9673 ChiMac Off Low791.40.7581 Predom. Up L/M707.10.8485 W/L 60-40 Low1164.80.5151 ChiMac Off Med699.90.8573 Predom. Up Med626.70.9573 W/L 60-40 L/M852.80.7036 ChiMac Off High591.21.0149 Predom. Up M/H590.11.0168 W/L 60-40 Med728.60.8235 ChiMac AP Low800.40.7496 Predom. Up High576.81.0402 W/L 60-40 M/H667.00.8996 ChiMac AP Med716.00.8380 Predom. Dn Low919.90.6522 W/L 60-40 High647.40.9268 ChiMac AP High617.10.9723 Predom. Dn L/M678.90.8838 5B AP Low842.70.7120 BayMac Cove Island922.10.6507 Predom. Dn Med582.41.0302 5B AP L/M667.20.8993 BayMac Shore914.90.6558 Predom. Dn M/H522.31.1487 5B AP Med585.11.0255 Harvest Moon525.51.1417      SA/DSPL Up23.75SA/DSPL Dn40.37
ORC Ref  04560004VFE Issued on 20/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
OPTIMA40791
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDehler Optima 101MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.112Maximum beam3.410Draft1.728Displacement3,856Wetted area20.54IMS L8.389LSM08.057Accomod. length10.112Sink (kg/mm) 14.80
VCGD0.072VCGM0.093 RM Rated (kg·m) 79.1Limit of positive stability(°) 110.8 Stability Index 106.9 BLR index 0.0000Default crew weight506 Declared crew weight
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.390PBWPIPA0.0041
PSD0.030PHD0.050PHL0.170
PSA16.5°ESL0.900
ST10.030ST20.100ST30.100
ST40.080ST50.250
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P11.750IG11.800ISP11.890MDT10.110MDL10.164MDT20.110MDL20.160TLMW0.164GO0.164
E4.100J3.600BAS1.320FSD0.028SFJ0.350SPL3.620WPLTPS3.900BD0.150MWTMCG
PY0.000MDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered79.1Flotation Date15/10/2025
SFFP0.657FFM1.261FF1.261LCFcl5.715SG
SAFP9.114FAM0.847FA0.847LCFsh5.961HBI1.068
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel600Total deductible0
Total deductible
ORC Ref  04560004VFE Issued on 20/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
OPTIMA40791
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn0.170.881.582.643.4528.8108/03/2026062022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.070.621.262.563.955.4411.33NoNo 29.8608/03/2026022022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS111.6111.6111.616.606.4563.5604/06/2026
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA113.6311.9712.806.696.48103%70.9129/05/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.1 mTable area0.44 m²Headroom1.71 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity82 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity52 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004VFE Issued on 20/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org