International Certificate2026
TANGAROAUSA 311
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 Angles46.1°43.4°41.2°39.5°37.8°37.1°37.1°37.2°38.1°
Beat VMG2.403.434.204.765.095.235.315.375.34
52°3.775.246.226.837.137.277.357.437.44
60°4.065.526.487.017.307.467.547.637.65
75°4.275.726.647.157.457.677.827.998.08
90°4.215.876.897.337.547.747.988.358.58
110°4.336.037.087.607.978.248.478.909.28
120°4.205.917.017.578.008.428.819.409.99
135°3.735.296.537.277.758.218.719.9411.81
150°3.094.475.626.597.257.658.048.9010.57
Run VMG2.673.874.875.706.326.737.097.769.16
Gybe Angles139.7°143.3°147.4°149.6°153.2°157.8°161.5°158.6°142.4°
APH ToD:546.1CDL: 9.314APH ToT: 1.0986CertNo:US311-109
BOAT
ClassJ 109DesignerJOHNSTONEBuilderTPIAge date02/2007Series date10/2001Offset fileJ109.offData fileUS311-109
HULL
Length Overall10.757 mMaximum Beam3.524 mDraft2.153 mDisplacement5,240 kgDLR6.2817IMS DivisionCruiser/RacerDynamic Allowance0.190%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.405m
CREW
Maximum weight631 kg(default)Minimum weight501 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail37.6438.45Headsail Luffed29.3429.34Headsail FlyingSymmetricAsymmetric119.98119.98 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail10.97Storm Jib10.20Heavy Weather Jib27.52
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 122.6 kg·m Stability Index 116.4
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  04560004W13 Issued on 03/08/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
TANGAROAUSA 311
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 VMG1501.11050.2858.2756.4706.8687.7677.7670.0674.6
52°955.2687.6578.4527.1504.7495.0490.0484.7483.7
60°887.1651.7555.9513.5493.3482.8477.5471.5470.5
75°842.3629.8541.8503.5483.0469.4460.3450.6445.4
90°855.2613.7522.2491.2477.5465.0451.0431.0419.4
110°831.3596.8508.1473.5452.0436.9425.0404.6387.9
120°856.3609.5513.9475.7449.8427.8408.8382.9360.5
135°965.2680.0551.7495.3464.8438.3413.1362.1305.0
150°1165.6805.2640.8546.5496.7470.3447.8404.4340.5
Run VMG1346.0929.8739.9631.0569.9535.0507.7463.9393.2
Selected Courses
Windward / Leeward1423.5990.0799.0693.7638.4611.3592.7567.0533.9
All purpose1078.7762.2628.2561.9527.6508.1493.5471.5448.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward669.50.8961
All purpose546.11.0986
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance592.91.0119
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7768
Downwind "popa"0.9595
70% up, 30% down "Ilhabela"0.8238
30% up, 70% down "Ilhabela-inverso"0.8963
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Predominantly Upwind593.61.0107
Predominantly Downwind549.11.0927
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP568.71.0550 Predom. Rc High443.31.3534 5B SF Bay L/M731.60.8202 TriNum AP Low695.20.8631 Predom. Dn Low827.00.7255 5B SF Bay Med629.90.9525 TriNum AP Med542.61.1058 Predom. Dn L/M614.50.9765 5B SF Bay M/H577.21.0396 TriNum AP High488.91.2272 Predom. Dn Med531.81.1283 5B SF Bay High549.21.0926 TriNum W/L Low936.90.6404 Predom. Dn M/H480.01.2500 5B AP Low768.10.7811 TriNum W/L Med663.40.9044 Predom. Dn High441.81.3582 5B AP L/M609.70.9841 TriNum W/L Hig587.71.0209 ChiMac Up Low752.60.7972 5B AP Med535.61.1203 Predom. Upwind619.70.9682 ChiMac Up Med677.90.8852 5B AP M/H495.11.2118 Predom. Reaching543.71.1036 ChiMac Up High591.31.0146 5B AP High471.41.2728 Predom. Downwind572.71.0477 ChiMac Off Low714.20.8401 5B W/L Low1050.60.5711 Predom. Up Low859.70.6979 ChiMac Off Med634.30.9460 5B W/L L/M766.30.7830 Predom. Up L/M650.50.9223 ChiMac Off High538.41.1145 5B W/L Med652.70.9193 Predom. Up Med575.11.0434 ChiMac AP Low730.30.8216 5B W/L M/H595.31.0078 Predom. Up M/H538.91.1135 ChiMac AP Med654.00.9174 5B W/L High565.71.0606 Predom. Up High521.51.1506 ChiMac AP High563.81.0643 W/L 60-40 Low1063.50.5642 Predom. Rc Low747.80.8023 BayMac Cove Island839.50.7147 W/L 60-40 L/M778.70.7705 Predom. Rc L/M571.91.0491 BayMac Shore833.70.7196 W/L 60-40 Med666.50.9002 Predom. Rc Med509.71.1771 Harvest Moon483.01.2421 W/L 60-40 M/H612.40.9798 Predom. Rc M/H471.21.2734 5B SF Bay Low888.30.6754 W/L 60-40 High587.01.0222      SA/DSPL Up22.08SA/DSPL Dn51.96
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance592.91.0119
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance592.91.0119
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance592.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating592.91.0119
FinRating, kevyt tuuli1032.60.9684
FinRating, kova tuuli473.71.0554
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0119
Triple Number Coastal/Long Distance Low0.8631
Triple Number Coastal/Long Distance Medium1.1059
Triple Number Coastal/Long Distance High1.2272
Triple Number Windward/Leeward Low0.6708
Triple Number Windward/Leeward Medium0.9044
Triple Number Windward/Leeward High1.0209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
For information
General Purpose Handicap (GPH)611.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance592.91.0119
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Saronikos S All Purpose627.90.9556
Saronikos S Upwind711.20.8436
Saronikos S Downwind522.41.1486
Saronikos N All Purpose653.50.9182
Saronikos N Upwind743.20.8073
Saronikos N Downwind562.41.0669
Saronikos SW All Purpose630.40.9518
Saronikos SW Upwind733.60.8179
Saronikos SW Downwind522.71.1479
Saronikos NE All Purpose674.00.8902
Saronikos NE Upwind698.40.8592
Saronikos NE Downwind625.60.9590
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose568.71.0550
5-Band All Purpose Low839.80.7145
5-Band All Purpose L/M630.80.9511
5-Band All Purpose Med552.91.0852
5-Band All Purpose M/H509.41.1778
5-Band All Purpose High482.11.2446
Single Number Predominant Upwind592.81.0121
Single Number Predominant Reaching522.71.1479
Single Number Predominant Downwind549.61.0918
5-Band 50-50 Windward/Leeward Low1050.60.5711
5-Band 50-50 Windward/Leeward L/M766.30.7830
5-Band 50-50 Windward/Leeward Med652.70.9193
5-Band 50-50 Windward/Leeward M/H595.31.0078
5-Band 50-50 Windward/Leeward High565.71.0606
5-Band 60-40 Windward/Leeward Low1063.50.5642
5-Band 60-40 Windward/Leeward L/M778.70.7705
5-Band 60-40 Windward/Leeward Med666.50.9002
5-Band 60-40 Windward/Leeward M/H612.40.9798
5-Band 60-40 Windward/Leeward High587.01.0222
Triple Number 50-50 Windward/Leeward Low936.90.6404
Triple Number 50-50 Windward/Leeward Med663.50.9042
Triple Number 50-50 Windward/Leeward High587.71.0209
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward683.70.8775
Triple Number 60-40 Windward/Leeward Low949.20.6321
Triple Number 60-40 Windward/Leeward Med677.10.8861
Triple Number 60-40 Windward/Leeward High605.60.9907
Triple Number All-Purpose Low754.50.7952
Triple Number All-Purpose Med560.31.0709
Triple Number All-Purpose High502.41.1943
Triple Number Predominant Upwind Low780.00.7692
Triple Number Predominant Upwind Med584.41.0268
Triple Number Predominant Upwind High539.51.1120
Triple Number Predominant Reaching Low679.90.8824
Triple Number Predominant Reaching Med524.01.1451
Triple Number Predominant Reaching High455.51.3172
Triple Number Predominant Downwind Low740.70.8100
Triple Number Predominant Downwind Med540.01.1111
Triple Number Predominant Downwind High461.21.3011
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance592.91.0119
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance592.91.0119
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low695.2
Triple Number Coastal/Long Distance Medium542.5
Triple Number Coastal/Long Distance High488.9
Triple Number Windward/Leeward Low894.5
Triple Number Windward/Leeward Medium663.4
Triple Number Windward/Leeward High587.7
Predominantly Upwind593.6
Predominantly Downwind549.1
Predominantly Reaching529.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance592.91.0119
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8631
Triple Number Coastal/Long Distance Medium1.1059
Triple Number Coastal/Long Distance High1.2272
Triple Number Windward/Leeward Low0.6708
Triple Number Windward/Leeward Medium0.9044
Triple Number Windward/Leeward High1.0209
Coastal/Long Distance1.0119
Predominantly Upwind1.0107
Predominantly Downwind1.0927
For information
General Purpose Handicap (GPH)611.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0986
Distanseseilas Trippeltall svak vind0.8631
Distanseseilas Trippeltall mellomvind1.1059
Distanseseilas Trippeltall sterk vind1.2272
Pølsebane Trippeltall svak vind0.6708
Pølsebane Trippeltall mellomvind0.9044
Pølsebane Trippeltall sterk vind1.0209
Motvind Singeltall1.0107
Medvind Singeltall1.0927
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Coastal/Long Distance592.91.0119
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind593.61.0107
Predominantly Downwind549.11.0927
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore543.81.1033
Cape Doctor Coastal455.71.3168
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8631
Triple Number Coastal/Long Distance Medium1.1059
Triple Number Coastal/Long Distance High1.2272
Triple Number Windward/Leeward Low0.6708
Triple Number Windward/Leeward Medium0.9044
Triple Number Windward/Leeward High1.0209
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8631
Triple Number Coastal/Long Distance Medium1.1059
Triple Number Coastal/Long Distance High1.2272
Triple Number Windward/Leeward Low0.6708
Triple Number Windward/Leeward Medium0.9044
Triple Number Windward/Leeward High1.0209
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance592.91.0119
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Predominantly Upwind593.61.0107
Predominantly Downwind549.11.0927
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance592.91.0119
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium542.51.1059
Triple Number Coastal/Long Distance High488.91.2272
Triple Number Windward/Leeward Low894.50.6708
Triple Number Windward/Leeward Medium663.40.9044
Triple Number Windward/Leeward High587.71.0209
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1415.8984.0750.9628.7561.3526.8498.4453.6432.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP568.71.0550 Predom. Dn High441.81.3582 5B AP M/H495.11.2118 TriNum AP Low695.20.8631 Predom. Rc Low747.80.8023 5B AP High471.41.2728 TriNum AP Med542.61.1058 Predom. Rc L/M571.91.0491 5B SF Bay Low888.30.6754 TriNum AP High488.91.2272 Predom. Rc Med509.71.1771 5B SF Bay L/M731.60.8202 TriNum W/L Low936.90.6404 Predom. Rc M/H471.21.2734 5B SF Bay Med629.90.9525 TriNum W/L Med663.40.9044 Predom. Rc High443.31.3534 5B SF Bay M/H577.21.0396 TriNum W/L Hig587.71.0209 5B W/L Low1050.60.5711 5B SF Bay High549.21.0926 Predom. Upwind619.70.9682 5B W/L L/M766.30.7830 ChiMac Up Low752.60.7972 Predom. Reaching543.71.1036 5B W/L Med652.70.9193 ChiMac Up Med677.90.8852 Predom. Downwind572.71.0477 5B W/L M/H595.31.0078 ChiMac Up High591.31.0146 Predom. Up Low859.70.6979 5B W/L High565.71.0606 ChiMac Off Low714.20.8401 Predom. Up L/M650.50.9223 W/L 60-40 Low1063.50.5642 ChiMac Off Med634.30.9460 Predom. Up Med575.11.0434 W/L 60-40 L/M778.70.7705 ChiMac Off High538.41.1145 Predom. Up M/H538.91.1135 W/L 60-40 Med666.50.9002 ChiMac AP Low730.30.8216 Predom. Up High521.51.1506 W/L 60-40 M/H612.40.9798 ChiMac AP Med654.00.9174 Predom. Dn Low827.00.7255 W/L 60-40 High587.01.0222 ChiMac AP High563.81.0643 Predom. Dn L/M614.50.9765 5B AP Low768.10.7811 BayMac Cove Island839.50.7147 Predom. Dn Med531.81.1283 5B AP L/M609.70.9841 BayMac Shore833.70.7196 Predom. Dn M/H480.01.2500 5B AP Med535.61.1203 Harvest Moon483.01.2421      SA/DSPL Up22.08SA/DSPL Dn51.96
ORC Ref  04560004W13 Issued on 03/08/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
TANGAROAUSA 311
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 109Measurement04/06/2026HINPCX19311H607Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.757Maximum beam3.524Draft2.153Displacement5,240Wetted area25.04IMS L9.701LSM09.413Accomod. length10.757Sink (kg/mm) 18.53
VCGD0.037VCGM-0.003 RM Rated (kg·m) 122.6Limit of positive stability(°) 116.3 Stability Index 116.4 BLR index 0.0000Default crew weight631 Declared crew weight
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.405PBWPIPA0.0028
EDL1.980ST10.030ST20.185
ST30.187ST40.097ST50.255
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P13.300IG14.213ISP15.013MDT10.109MDL10.188MDT20.103MDL20.140TL1.400MW0.160GO0.178
E4.710J4.015BAS1.613FSD0.029SFJ0.000SPLWPLTPS5.880BD0.161MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date14/06/2026
SFFP0.420FFM1.249FF1.250LCFcl5.953SG1.0220
SAFP10.254FAM0.981FA0.988LCFsh6.205HBI1.096
W197.5W297.5W397.5W497.5
PD1587.0PD2607.5PD3612.8PD4596.0
WD9.635PLM9000.00GSA1.0RSA1.0RM123.2
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGDIELSELFuel87498.00WATERWater194.60Total deductible606.93
OTHER ITEMSIdKindDescriptionWeightLCGVCGBATTERYBatteryQTY 2 108 AH AGM5.00ENGINEEngine (IC)YANMAR 27 HP7.00Total deductible
ORC Ref  04560004W13 Issued on 03/08/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
TANGAROAUSA 311
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn0.191.011.793.074.0037.6414/04/2025USA311DM124
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentMH0.070.571.062.113.164.2513.82YesNo 29.3414/04/2025USA311MHJ1
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-2617.3713.9715.679.209.14101%119.9820/06/2026OUS163827-001A2-2416.8613.7015.288.698.28105%109.6114/04/2025USA311A224
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.8 mTable area0.55 m²Headroom1.75 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity120 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity66 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004W13 Issued on 03/08/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org