International Certificate2026
TENACIOUSNA 25
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 Angles47.0°43.6°41.8°40.6°40.0°39.3°38.9°38.7°39.1°
Beat VMG2.603.674.424.945.235.385.475.525.52
52°4.125.626.607.207.507.647.737.797.81
60°4.475.926.867.417.697.837.927.998.04
75°4.736.137.047.557.848.038.168.308.41
90°4.596.026.987.547.888.118.308.608.83
110°4.085.736.917.628.008.278.498.798.96
120°3.965.586.777.547.988.318.619.159.49
135°3.475.036.247.187.768.148.489.219.90
150°2.904.275.456.467.277.798.148.829.56
Run VMG2.513.704.725.606.387.017.508.208.82
Gybe Angles141.0°145.3°149.6°151.9°156.5°163.5°169.4°178.1°177.2°
APH ToD:534.4CDL: 10.347APH ToT: 1.1227CertNo:US7426
BOAT
ClassNAVY 44 MkIIDesignerPEDRICKBuilderTPIAge date04/2008Series date01/2007Offset fileNavy44-MKII.offData fileUS6330
HULL
Length Overall13.502 mMaximum Beam3.938 mDraft2.276 mDisplacement12,355 kgDLR9.0775IMS DivisionCruiser/RacerDynamic Allowance0.300%Age Allowance0.618%RS Assessment-0.254%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.489m
CREW
Maximum weight797 kg(default)Minimum weight667 kg ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail49.4850.32Headsail Luffed71.7071.70Headsail FlyingSymmetric146.83146.83Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail15.41Storm Jib15.95Heavy Weather Jib43.07
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 261.1 kg·m Stability Index 134.8
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  04560004SAC Issued on 05/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
TENACIOUSNA 25
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 VMG1382.5981.1814.0728.1688.3669.3658.6651.7652.6
52°873.7640.6545.7499.8479.9471.0466.0462.3460.9
60°805.7608.1524.4486.0468.4459.5454.6450.3447.8
75°761.3587.5511.4476.8459.1448.5441.3433.7427.9
90°783.6598.2515.8477.2456.9443.8433.9418.8407.9
110°882.1628.5520.9472.7449.8435.1424.2409.4402.0
120°909.4644.9532.1477.5450.9433.2418.1393.5379.3
135°1036.2715.5576.7501.2463.7442.1424.4390.7363.6
150°1241.2842.5660.1557.2495.2462.3442.0408.3376.4
Run VMG1433.2972.9762.2642.5564.2513.7479.8438.8408.0
Selected Courses
Windward / Leeward1407.9977.0788.1685.3626.3591.5569.2545.3530.3
All purpose1058.3752.4619.9551.3514.9494.2480.6463.1451.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward655.10.9159
All purpose534.41.1227
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance581.41.0319
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8091
Downwind "popa"0.9602
70% up, 30% down "Ilhabela"0.8492
30% up, 70% down "Ilhabela-inverso"0.9092
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Predominantly Upwind575.01.0435
Predominantly Downwind544.31.1023
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP555.91.0793 Predom. Rc High439.91.3639 5B SF Bay L/M720.00.8334 TriNum AP Low686.10.8745 Predom. Dn Low841.10.7134 5B SF Bay Med617.60.9716 TriNum AP Med530.71.1306 Predom. Dn L/M617.00.9724 5B SF Bay M/H561.41.0687 TriNum AP High477.41.2568 Predom. Dn Med524.31.1444 5B SF Bay High537.61.1160 TriNum W/L Low924.80.6488 Predom. Dn M/H469.51.2779 5B AP Low762.80.7866 TriNum W/L Med650.80.9220 Predom. Dn High440.31.3627 5B AP L/M599.71.0005 TriNum W/L Hig565.81.0604 ChiMac Up Low723.20.8297 5B AP Med523.41.1464 Predom. Upwind598.31.0028 ChiMac Up Med653.20.9186 5B AP M/H482.81.2427 Predom. Reaching533.01.1257 ChiMac Up High572.81.0474 5B AP High464.01.2931 Predom. Downwind570.11.0524 ChiMac Off Low720.60.8326 5B W/L Low1037.50.5783 Predom. Up Low822.40.7296 ChiMac Off Med634.90.9450 5B W/L L/M755.80.7939 Predom. Up L/M628.70.9543 ChiMac Off High534.81.1220 5B W/L Med639.00.9390 Predom. Up Med556.51.0781 ChiMac AP Low718.00.8356 5B W/L M/H573.81.0457 Predom. Up M/H521.51.1505 ChiMac AP Med641.40.9354 5B W/L High546.81.0972 Predom. Up High507.61.1821 ChiMac AP High552.31.0863 W/L 60-40 Low1037.90.5781 Predom. Rc Low737.70.8134 BayMac Cove Island826.70.7258 W/L 60-40 L/M762.60.7868 Predom. Rc L/M564.21.0634 BayMac Shore819.20.7324 W/L 60-40 Med651.10.9215 Predom. Rc Med497.21.2068 Harvest Moon473.51.2672 W/L 60-40 M/H591.41.0146 Predom. Rc M/H460.21.3038 5B SF Bay Low873.30.6870 W/L 60-40 High568.11.0562      SA/DSPL Up22.49SA/DSPL Dn36.43
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance581.41.0319
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance581.41.0319
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance581.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating581.41.0319
FinRating, kevyt tuuli1021.60.9788
FinRating, kova tuuli467.01.0708
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0319
Triple Number Coastal/Long Distance Low0.8745
Triple Number Coastal/Long Distance Medium1.1307
Triple Number Coastal/Long Distance High1.2568
Triple Number Windward/Leeward Low0.6798
Triple Number Windward/Leeward Medium0.9220
Triple Number Windward/Leeward High1.0604
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
For information
General Purpose Handicap (GPH)599.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance581.41.0319
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Saronikos S All Purpose607.40.9878
Saronikos S Upwind676.40.8871
Saronikos S Downwind527.71.1370
Saronikos N All Purpose637.10.9418
Saronikos N Upwind704.30.8519
Saronikos N Downwind575.71.0423
Saronikos SW All Purpose614.10.9770
Saronikos SW Upwind694.30.8642
Saronikos SW Downwind537.81.1157
Saronikos NE All Purpose663.00.9050
Saronikos NE Upwind660.10.9090
Saronikos NE Downwind651.20.9214
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose555.91.0793
5-Band All Purpose Low827.00.7255
5-Band All Purpose L/M621.00.9663
5-Band All Purpose Med539.51.1122
5-Band All Purpose M/H495.01.2122
5-Band All Purpose High473.61.2670
Single Number Predominant Upwind573.71.0459
Single Number Predominant Reaching512.51.1707
Single Number Predominant Downwind545.01.1009
5-Band 50-50 Windward/Leeward Low1037.50.5783
5-Band 50-50 Windward/Leeward L/M755.80.7939
5-Band 50-50 Windward/Leeward Med639.00.9390
5-Band 50-50 Windward/Leeward M/H573.81.0457
5-Band 50-50 Windward/Leeward High546.81.0972
5-Band 60-40 Windward/Leeward Low1037.90.5781
5-Band 60-40 Windward/Leeward L/M762.60.7868
5-Band 60-40 Windward/Leeward Med651.10.9215
5-Band 60-40 Windward/Leeward M/H591.41.0146
5-Band 60-40 Windward/Leeward High568.11.0562
Triple Number 50-50 Windward/Leeward Low924.80.6488
Triple Number 50-50 Windward/Leeward Med650.80.9219
Triple Number 50-50 Windward/Leeward High565.81.0604
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward667.10.8995
Triple Number 60-40 Windward/Leeward Low927.30.6470
Triple Number 60-40 Windward/Leeward Med662.10.9062
Triple Number 60-40 Windward/Leeward High584.41.0267
Triple Number All-Purpose Low743.90.8066
Triple Number All-Purpose Med547.41.0961
Triple Number All-Purpose High488.91.2273
Triple Number Predominant Upwind Low750.60.7993
Triple Number Predominant Upwind Med565.81.0605
Triple Number Predominant Upwind High522.01.1495
Triple Number Predominant Reaching Low671.50.8936
Triple Number Predominant Reaching Med511.41.1733
Triple Number Predominant Reaching High446.81.3428
Triple Number Predominant Downwind Low749.90.8001
Triple Number Predominant Downwind Med534.61.1224
Triple Number Predominant Downwind High453.01.3246
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance581.41.0319
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance581.41.0319
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low686.1
Triple Number Coastal/Long Distance Medium530.6
Triple Number Coastal/Long Distance High477.4
Triple Number Windward/Leeward Low882.6
Triple Number Windward/Leeward Medium650.8
Triple Number Windward/Leeward High565.8
Predominantly Upwind575.0
Predominantly Downwind544.3
Predominantly Reaching521.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance581.41.0319
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8745
Triple Number Coastal/Long Distance Medium1.1307
Triple Number Coastal/Long Distance High1.2568
Triple Number Windward/Leeward Low0.6798
Triple Number Windward/Leeward Medium0.9220
Triple Number Windward/Leeward High1.0604
Coastal/Long Distance1.0319
Predominantly Upwind1.0435
Predominantly Downwind1.1023
For information
General Purpose Handicap (GPH)599.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1227
Distanseseilas Trippeltall svak vind0.8745
Distanseseilas Trippeltall mellomvind1.1307
Distanseseilas Trippeltall sterk vind1.2568
Pølsebane Trippeltall svak vind0.6798
Pølsebane Trippeltall mellomvind0.9220
Pølsebane Trippeltall sterk vind1.0604
Motvind Singeltall1.0435
Medvind Singeltall1.1023
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Coastal/Long Distance581.41.0319
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind575.01.0435
Predominantly Downwind544.31.1023
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore534.81.1219
Cape Doctor Coastal454.71.3197
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8745
Triple Number Coastal/Long Distance Medium1.1307
Triple Number Coastal/Long Distance High1.2568
Triple Number Windward/Leeward Low0.6798
Triple Number Windward/Leeward Medium0.9220
Triple Number Windward/Leeward High1.0604
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8745
Triple Number Coastal/Long Distance Medium1.1307
Triple Number Coastal/Long Distance High1.2568
Triple Number Windward/Leeward Low0.6798
Triple Number Windward/Leeward Medium0.9220
Triple Number Windward/Leeward High1.0604
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance581.41.0319
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Predominantly Upwind575.01.0435
Predominantly Downwind544.31.1023
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance581.41.0319
Triple Number Coastal/Long Distance Low686.10.8745
Triple Number Coastal/Long Distance Medium530.61.1307
Triple Number Coastal/Long Distance High477.41.2568
Triple Number Windward/Leeward Low882.60.6798
Triple Number Windward/Leeward Medium650.80.9220
Triple Number Windward/Leeward High565.81.0604
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1410.4976.6742.1619.4549.0512.6485.6444.6432.1
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP555.91.0793 Predom. Dn High440.31.3627 5B AP M/H482.81.2427 TriNum AP Low686.10.8745 Predom. Rc Low737.70.8134 5B AP High464.01.2931 TriNum AP Med530.71.1306 Predom. Rc L/M564.21.0634 5B SF Bay Low873.30.6870 TriNum AP High477.41.2568 Predom. Rc Med497.21.2068 5B SF Bay L/M720.00.8334 TriNum W/L Low924.80.6488 Predom. Rc M/H460.21.3038 5B SF Bay Med617.60.9716 TriNum W/L Med650.80.9220 Predom. Rc High439.91.3639 5B SF Bay M/H561.41.0687 TriNum W/L Hig565.81.0604 5B W/L Low1037.50.5783 5B SF Bay High537.61.1160 Predom. Upwind598.31.0028 5B W/L L/M755.80.7939 ChiMac Up Low723.20.8297 Predom. Reaching533.01.1257 5B W/L Med639.00.9390 ChiMac Up Med653.20.9186 Predom. Downwind570.11.0524 5B W/L M/H573.81.0457 ChiMac Up High572.81.0474 Predom. Up Low822.40.7296 5B W/L High546.81.0972 ChiMac Off Low720.60.8326 Predom. Up L/M628.70.9543 W/L 60-40 Low1037.90.5781 ChiMac Off Med634.90.9450 Predom. Up Med556.51.0781 W/L 60-40 L/M762.60.7868 ChiMac Off High534.81.1220 Predom. Up M/H521.51.1505 W/L 60-40 Med651.10.9215 ChiMac AP Low718.00.8356 Predom. Up High507.61.1821 W/L 60-40 M/H591.41.0146 ChiMac AP Med641.40.9354 Predom. Dn Low841.10.7134 W/L 60-40 High568.11.0562 ChiMac AP High552.31.0863 Predom. Dn L/M617.00.9724 5B AP Low762.80.7866 BayMac Cove Island826.70.7258 Predom. Dn Med524.31.1444 5B AP L/M599.71.0005 BayMac Shore819.20.7324 Predom. Dn M/H469.51.2779 5B AP Med523.41.1464 Harvest Moon473.51.2672      SA/DSPL Up22.49SA/DSPL Dn36.43
ORC Ref  04560004SAC Issued on 05/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
TENACIOUSNA 25
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassNAVY 44 MkIIMeasurement01/09/2021HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall13.502Maximum beam3.938Draft2.276Displacement12,355Wetted area37.96IMS L11.282LSM011.081Accomod. length12.799Sink (kg/mm) 26.47
VCGD-0.172VCGM-0.150 RM Rated (kg·m) 261.1Limit of positive stability(°) 125.7 Stability Index 134.8 BLR index 0.0000Default crew weight797 Declared crew weight 813
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.489PBW0.152PIPA0.0052
PSD0.030PHD0.070PHL0.140
PSA18.0°ESL0.878
ST10.019ST20.108ST30.148
ST40.070ST50.152
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysYesSpreaders2Rotating mastNo
P15.240IG17.660ISP17.629MDT10.166MDL10.250MDT20.158MDL20.207TL2.835MW0.204GO0.266
E5.775J5.520BAS1.874FSD0.000SFJ0.000SPL5.762WPLTPS0.000BD0.203MWT370.50MCG6.875
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date20/09/2019
SFFP1.005FFM1.426FF1.435LCFcl7.527SG1.0100
SAFP12.824FAM1.091FA1.097LCFsh7.772HBI1.189
W1129.3W2129.3W3129.3W4129.3LCFD7.530
PD1227.4PD2213.3PD3224.6PD4226.5
WD5.624PLM9000.00GSA1.0RSA1.0RM257.0
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG#Fuel, aluminumFuel19006.60-0.10#water stbdWater16506.80-0.10#Water portWater16506.80-0.10#Water, day tankWater10008.00-0.10Total deductible0
Total deductible
ORC Ref  04560004SAC Issued on 05/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
TENACIOUSNA 25
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.151.152.053.464.4949.4801/03/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment#1 Genoa0.010.991.963.976.148.3917.57NoNo 71.7031/08/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS217.6217.6217.6210.0010.00146.8310/09/2019
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length12.8 mTable area0.66 m²Headroom1.84 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity204 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity106 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004SAC Issued on 05/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org