Club Certificate2026
Thin IceUSA 7
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 Angles46.5°43.8°41.6°39.6°38.5°37.9°38.2°38.2°39.5°
Beat VMG2.633.734.565.115.375.505.585.655.58
52°4.155.736.787.367.627.757.847.957.96
60°4.496.067.047.577.847.998.108.248.29
75°4.766.287.227.728.078.338.518.778.90
90°4.806.477.467.988.328.558.809.279.59
110°4.696.517.618.208.628.989.4210.1810.83
120°4.546.417.578.228.799.319.7210.6811.92
135°4.055.737.127.908.529.179.9011.6913.42
150°3.364.836.047.107.868.408.9410.4113.41
Run VMG2.914.185.236.156.857.297.759.0211.61
Gybe Angles139.5°142.7°146.5°148.7°153.3°153.0°151.4°145.4°144.8°
APH ToD:505.3CDL: 10.414APH ToT: 1.1874CertNo:US7509
BOAT
ClassAERODYNE 38 CUSTOM KEEL & SHALLOW RUDDERDesignerMARTINBuilderAerodyneAge date01/2000Series date01/2000Offset fileAerodyne-38-USA7.offData fileUS6094
HULL
Length Overall11.464 mMaximum Beam3.986 mDraft1.835 mDisplacement5,968 kgDLR4.7101IMS DivisionCruiser/RacerDynamic Allowance0.050%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFeathering 2 bladesDiameter0.442m
CREW
Maximum weight770 kg(default)Minimum weight640 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail51.7353.12Headsail Luffed37.2437.24Headsail FlyingSymmetricAsymmetric173.06173.06 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail13.89Storm Jib11.87Heavy Weather Jib32.04
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 172.5 kg·m Stability Index 108.4
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  04560004T01 Issued on 11/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Thin IceUSA 7
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 VMG1368.3964.4789.5704.4671.0654.7645.4637.1645.7
52°867.0628.4531.3489.2472.2464.3458.9452.8452.3
60°801.0594.5511.5475.8459.2450.7444.6436.8434.4
75°756.6573.0498.8466.1446.3432.2422.9410.6404.6
90°749.6556.3482.5451.4432.8421.1409.3388.5375.4
110°768.1553.2473.2439.1417.5401.0382.2353.6332.4
120°793.4562.0475.5437.7409.4386.9370.5337.1302.1
135°887.9627.9505.3455.9422.5392.8363.6308.0268.3
150°1072.6745.7596.2507.0458.0428.8402.7345.8268.5
Run VMG1238.5861.0688.5585.5525.5493.5464.5399.3310.1
Selected Courses
Windward / Leeward1303.4912.7739.0645.0598.3574.1554.9518.2477.9
All purpose983.5700.6579.9520.7489.9471.3455.5427.5402.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward624.20.9612
All purpose505.31.1874
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8290
Downwind "popa"1.0453
70% up, 30% down "Ilhabela"0.8839
30% up, 70% down "Ilhabela-inverso"0.9694
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Predominantly Upwind551.71.0876
Predominantly Downwind504.51.1892
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP524.01.1450 Predom. Rc High399.61.5014 5B SF Bay L/M677.80.8852 TriNum AP Low640.20.9372 Predom. Dn Low759.80.7897 5B SF Bay Med588.21.0201 TriNum AP Med503.11.1926 Predom. Dn L/M567.11.0580 5B SF Bay M/H537.71.1160 TriNum AP High448.91.3366 Predom. Dn Med489.41.2261 5B SF Bay High503.61.1915 TriNum W/L Low864.20.6943 Predom. Dn M/H436.01.3762 5B AP Low704.70.8514 TriNum W/L Med619.50.9685 Predom. Dn High391.71.5319 5B AP L/M563.51.0647 TriNum W/L Hig546.01.0990 ChiMac Up Low692.10.8669 5B AP Med496.51.2084 Predom. Upwind574.21.0450 ChiMac Up Med625.90.9586 5B AP M/H456.31.3149 Predom. Reaching497.51.2059 ChiMac Up High548.81.0934 5B AP High428.01.4019 Predom. Downwind524.71.1436 ChiMac Off Low657.20.9130 5B W/L Low967.00.6205 Predom. Up Low786.40.7630 ChiMac Off Med582.81.0294 5B W/L L/M710.60.8443 Predom. Up L/M601.00.9983 ChiMac Off High492.21.2190 5B W/L Med610.10.9835 Predom. Up Med535.71.1201 ChiMac AP Low671.40.8937 5B W/L M/H555.61.0799 Predom. Up M/H502.21.1947 ChiMac AP Med602.20.9963 5B W/L High517.61.1593 Predom. Up High483.31.2414 ChiMac AP High519.31.1553 W/L 60-40 Low977.90.6136 Predom. Rc Low682.40.8793 BayMac Cove Island771.70.7775 W/L 60-40 L/M722.10.8310 Predom. Rc L/M526.41.1398 BayMac Shore766.00.7833 W/L 60-40 Med624.40.9610 Predom. Rc Med468.31.2812 Harvest Moon439.91.3640 W/L 60-40 M/H574.01.0453 Predom. Rc M/H429.31.3975 5B SF Bay Low818.60.7329 W/L 60-40 High542.01.1069      SA/DSPL Up26.88SA/DSPL Dn67.92
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance549.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating549.91.0911
FinRating, kevyt tuuli948.61.0542
FinRating, kova tuuli428.71.1663
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0911
Triple Number Coastal/Long Distance Low0.9372
Triple Number Coastal/Long Distance Medium1.1928
Triple Number Coastal/Long Distance High1.3366
Triple Number Windward/Leeward Low0.7265
Triple Number Windward/Leeward Medium0.9685
Triple Number Windward/Leeward High1.0990
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
For information
General Purpose Handicap (GPH)565.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Saronikos S All Purpose575.71.0423
Saronikos S Upwind658.10.9118
Saronikos S Downwind471.51.2725
Saronikos N All Purpose604.40.9927
Saronikos N Upwind686.10.8745
Saronikos N Downwind517.71.1589
Saronikos SW All Purpose576.41.0409
Saronikos SW Upwind674.30.8898
Saronikos SW Downwind475.91.2607
Saronikos NE All Purpose621.70.9652
Saronikos NE Upwind641.20.9358
Saronikos NE Downwind577.21.0396
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose524.01.1450
5-Band All Purpose Low769.20.7800
5-Band All Purpose L/M582.41.0302
5-Band All Purpose Med511.81.1724
5-Band All Purpose M/H469.01.2793
5-Band All Purpose High437.91.3702
Single Number Predominant Upwind550.71.0896
Single Number Predominant Reaching479.91.2503
Single Number Predominant Downwind505.31.1874
5-Band 50-50 Windward/Leeward Low967.00.6205
5-Band 50-50 Windward/Leeward L/M710.60.8443
5-Band 50-50 Windward/Leeward Med610.10.9835
5-Band 50-50 Windward/Leeward M/H555.61.0799
5-Band 50-50 Windward/Leeward High517.61.1593
5-Band 60-40 Windward/Leeward Low977.90.6136
5-Band 60-40 Windward/Leeward L/M722.10.8310
5-Band 60-40 Windward/Leeward Med624.40.9610
5-Band 60-40 Windward/Leeward M/H574.01.0453
5-Band 60-40 Windward/Leeward High542.01.1069
Triple Number 50-50 Windward/Leeward Low864.20.6943
Triple Number 50-50 Windward/Leeward Med619.60.9684
Triple Number 50-50 Windward/Leeward High546.01.0990
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward638.70.9394
Triple Number 60-40 Windward/Leeward Low874.90.6858
Triple Number 60-40 Windward/Leeward Med633.30.9474
Triple Number 60-40 Windward/Leeward High565.71.0607
Triple Number All-Purpose Low693.20.8656
Triple Number All-Purpose Med518.71.1568
Triple Number All-Purpose High460.91.3019
Triple Number Predominant Upwind Low715.30.8388
Triple Number Predominant Upwind Med543.71.1036
Triple Number Predominant Upwind High503.41.1918
Triple Number Predominant Reaching Low622.90.9632
Triple Number Predominant Reaching Med482.81.2428
Triple Number Predominant Reaching High413.01.4529
Triple Number Predominant Downwind Low681.70.8802
Triple Number Predominant Downwind Med497.41.2062
Triple Number Predominant Downwind High414.51.4474
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low640.2
Triple Number Coastal/Long Distance Medium503.0
Triple Number Coastal/Long Distance High448.9
Triple Number Windward/Leeward Low825.9
Triple Number Windward/Leeward Medium619.5
Triple Number Windward/Leeward High546.0
Predominantly Upwind551.7
Predominantly Downwind504.5
Predominantly Reaching485.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9372
Triple Number Coastal/Long Distance Medium1.1928
Triple Number Coastal/Long Distance High1.3366
Triple Number Windward/Leeward Low0.7265
Triple Number Windward/Leeward Medium0.9685
Triple Number Windward/Leeward High1.0990
Coastal/Long Distance1.0911
Predominantly Upwind1.0876
Predominantly Downwind1.1892
For information
General Purpose Handicap (GPH)565.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1874
Distanseseilas Trippeltall svak vind0.9372
Distanseseilas Trippeltall mellomvind1.1928
Distanseseilas Trippeltall sterk vind1.3366
Pølsebane Trippeltall svak vind0.7265
Pølsebane Trippeltall mellomvind0.9685
Pølsebane Trippeltall sterk vind1.0990
Motvind Singeltall1.0876
Medvind Singeltall1.1892
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Coastal/Long Distance549.91.0911
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind551.71.0876
Predominantly Downwind504.51.1892
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore490.01.2246
Cape Doctor Coastal410.01.4634
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9372
Triple Number Coastal/Long Distance Medium1.1928
Triple Number Coastal/Long Distance High1.3366
Triple Number Windward/Leeward Low0.7265
Triple Number Windward/Leeward Medium0.9685
Triple Number Windward/Leeward High1.0990
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9372
Triple Number Coastal/Long Distance Medium1.1928
Triple Number Coastal/Long Distance High1.3366
Triple Number Windward/Leeward Low0.7265
Triple Number Windward/Leeward Medium0.9685
Triple Number Windward/Leeward High1.0990
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Predominantly Upwind551.71.0876
Predominantly Downwind504.51.1892
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance549.91.0911
Triple Number Coastal/Long Distance Low640.20.9372
Triple Number Coastal/Long Distance Medium503.01.1928
Triple Number Coastal/Long Distance High448.91.3366
Triple Number Windward/Leeward Low825.90.7265
Triple Number Windward/Leeward Medium619.50.9685
Triple Number Windward/Leeward High546.01.0990
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1296.9907.5694.5583.5522.4488.9460.3409.4381.7
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP524.01.1450 Predom. Dn High391.71.5319 5B AP M/H456.31.3149 TriNum AP Low640.20.9372 Predom. Rc Low682.40.8793 5B AP High428.01.4019 TriNum AP Med503.11.1926 Predom. Rc L/M526.41.1398 5B SF Bay Low818.60.7329 TriNum AP High448.91.3366 Predom. Rc Med468.31.2812 5B SF Bay L/M677.80.8852 TriNum W/L Low864.20.6943 Predom. Rc M/H429.31.3975 5B SF Bay Med588.21.0201 TriNum W/L Med619.50.9685 Predom. Rc High399.61.5014 5B SF Bay M/H537.71.1160 TriNum W/L Hig546.01.0990 5B W/L Low967.00.6205 5B SF Bay High503.61.1915 Predom. Upwind574.21.0450 5B W/L L/M710.60.8443 ChiMac Up Low692.10.8669 Predom. Reaching497.51.2059 5B W/L Med610.10.9835 ChiMac Up Med625.90.9586 Predom. Downwind524.71.1436 5B W/L M/H555.61.0799 ChiMac Up High548.81.0934 Predom. Up Low786.40.7630 5B W/L High517.61.1593 ChiMac Off Low657.20.9130 Predom. Up L/M601.00.9983 W/L 60-40 Low977.90.6136 ChiMac Off Med582.81.0294 Predom. Up Med535.71.1201 W/L 60-40 L/M722.10.8310 ChiMac Off High492.21.2190 Predom. Up M/H502.21.1947 W/L 60-40 Med624.40.9610 ChiMac AP Low671.40.8937 Predom. Up High483.31.2414 W/L 60-40 M/H574.01.0453 ChiMac AP Med602.20.9963 Predom. Dn Low759.80.7897 W/L 60-40 High542.01.1069 ChiMac AP High519.31.1553 Predom. Dn L/M567.11.0580 5B AP Low704.70.8514 BayMac Cove Island771.70.7775 Predom. Dn Med489.41.2261 5B AP L/M563.51.0647 BayMac Shore766.00.7833 Predom. Dn M/H436.01.3762 5B AP Med496.51.2084 Harvest Moon439.91.3640      SA/DSPL Up26.88SA/DSPL Dn67.92
ORC Ref  04560004T01 Issued on 11/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Thin IceUSA 7
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassAERODYNE 38 CUSTOM KEEL & SHALLOW RUDDERMeasurement23/10/2015HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.464Maximum beam3.986Draft1.835Displacement5,968Wetted area29.03IMS L10.923LSM010.820Accomod. length11.464Sink (kg/mm) 22.56
VCGD0.083VCGM0.061 RM Rated (kg·m) 172.5Limit of positive stability(°) 110.7 Stability Index 108.4 BLR index 0.0000Default crew weight770 Declared crew weight 728
Centerboard weight0.0List angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.442PBW0.125PIPA0.0035
EDL1.186ST10.040ST20.180
ST30.195ST40.113ST50.268
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P15.770IG15.320ISP17.440MDT10.115MDL10.195MDT2MDL2TLTaperMW0.192GO0.216
E5.030J4.420BAS1.450FSDFoilSFJ0.305SPL0.000WPLTPS6.580BD0.219MWTMCG
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date18/12/2015
SFFP0.120FFM1.427FF1.428LCFcl6.374SG1.0218
SAFP11.117FAM0.998FA0.999LCFsh6.673HBI1.127
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004T01 Issued on 11/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Thin IceUSA 7
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-240.201.352.363.684.4351.7324/01/2024OUS154858-001121294-0010.091.352.363.684.4351.62
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment113958-0020.120.731.332.403.504.6215.57NoNo 37.24
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment123833-00119.4717.4518.4611.2011.4598%173.06ous120480-00117.8016.3517.085.837.7575%88.4212/11/2016
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length11.5 mTable area0.55 m²Headroom1.79 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity138 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity80 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004T01 Issued on 11/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org